5,754.80 PHP
SKU: 14X-911-1161VP
UOM: Piece
Stock: 1
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10,000.00 PHP
SKU: 20Y-54-71152VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0.
The Side Cover of the Komatsu PC200-8M0 excavator is a protective panel located on the sides of the machine. It serves various functional and aesthetic purposes. Here’s a detailed description:
1. Material:
The side cover is typically made from durable metal, such as steel or reinforced plastic. These materials are chosen to withstand the harsh conditions of construction sites, including exposure to dust, debris, and the elements. Metal side covers provide structural strength, while plastic or composite materials reduce weight without compromising durability.
2. Function:
- Protection: The primary function of the side cover is to shield vital internal components of the excavator, such as the engine, hydraulic pumps, cooling systems, and electrical wiring, from external damage. It helps prevent debris, dust, and other particles from entering and damaging these critical systems.
- Access: Side covers are often designed to be removable or hinged, allowing for easy access to components that require maintenance, repair, or inspection. They typically cover access points for oil filters, hydraulic systems, air filters, and fuel systems.
- Ventilation: Some side covers are designed with vents or slats to allow airflow, aiding in the cooling of the internal components, especially the engine and hydraulic systems.
- Noise Reduction: The side cover also plays a role in reducing noise levels by providing an additional layer of insulation between the internal components and the external environment.
3. Design:
- Shape: The side cover has a rectangular or contoured shape that conforms to the body of the excavator. It fits snugly along the side of the machine, usually with cutouts or openings to accommodate exhaust pipes, vents, or inspection ports.
- Hinges and Latches: Many side covers are equipped with hinges for easy opening and closing, as well as secure latches or locks to ensure they remain firmly in place during operation. These latches are typically designed for quick release to facilitate maintenance access.
- Finish: The exterior of the side cover is usually painted or coated with a corrosion-resistant finish to prevent rust and maintain the machine's appearance over time. For the Komatsu PC200-8M0, the cover is often finished in Komatsu's signature yellow color.
4. Location:
The side cover is positioned on the sides of the upper structure (or body) of the excavator. It typically covers areas such as:
- The engine compartment.
- The hydraulic pump section.
- Other service compartments that need regular access or protection.
5. Maintenance:
The side cover requires minimal direct maintenance but should be checked regularly for signs of damage, such as dents, cracks, or loosened fittings. Damaged side covers should be repaired or replaced to ensure continuous protection of the internal components.
6. Safety:
The side cover also helps enhance operator safety by preventing accidental contact with hot or moving parts inside the excavator. This is especially important during machine operation and maintenance work.
In summary, the Side Cover of the Komatsu PC200-8M0 excavator plays a crucial role in protecting the machine’s internal components, providing access for maintenance, aiding ventilation, and contributing to overall operational safety.
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203.84 PHP
SKU: 07000-12130
UOM: Piece
Stock: 122
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376,500.00 PHP
SKU: 20Y-30-44111VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0 C22176.
The Track Frame Assembly of the Komatsu PC200-8M0 excavator is a crucial structural component that supports the entire undercarriage and facilitates the movement of the machine. It serves as the foundation for the tracks and other related components, contributing to the overall stability, strength, and performance of the excavator.
Function:
The Track Frame Assembly serves several critical functions in the operation of the Komatsu PC200-8M0 excavator, including:
- Support Structure: It acts as the primary support for the undercarriage, housing the tracks and drive components while maintaining stability during operation.
- Weight Distribution: The assembly distributes the weight of the excavator evenly across the tracks, improving stability and preventing damage to the ground surface.
- Mobility: It provides the foundation for the tracks, facilitating the movement of the excavator across various terrains and conditions.
- Shock Absorption: The suspension system within the track frame helps absorb shocks and vibrations, improving operator comfort and machine longevity.
Operation:
- The track frame assembly works in conjunction with the hydraulic system of the excavator. When hydraulic power is applied to the drive motors, the sprockets rotate, causing the tracks to move along the track rails.
- The suspension system adjusts as the machine encounters obstacles, helping to maintain contact with the ground and providing a smoother operation.
- The track adjuster keeps the tracks properly tensioned, ensuring optimal performance and preventing slippage.
Benefits:
- Durability: The robust construction of the track frame assembly ensures long-lasting performance, even in demanding environments.
- Stability: Proper weight distribution and a solid foundation enhance the stability of the excavator during operation, reducing the risk of tipping.
- Versatility: The design allows the excavator to traverse various terrains, making it suitable for a wide range of applications, from construction to mining.
- Reduced Maintenance: Features like the sealed roller system and track adjuster minimize the need for frequent maintenance, saving time and operational costs.
- Improved Efficiency: The efficient transfer of power from the hydraulic system to the tracks allows for smooth and responsive movement, improving overall operational efficiency.
Importance:
The Track Frame Assembly is a fundamental component of the Komatsu PC200-8M0 excavator, enabling it to perform effectively in various working conditions. Its design ensures stability, durability, and efficient movement, making it an essential part of the machine’s overall performance and reliability. Proper maintenance and care of the track frame assembly contribute significantly to the longevity and efficiency of the excavator.
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2,880.83 PHP
SKU: 20Y-979-3120VP
UOM: Piece
Stock: 1
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13,392.86 PHP
SKU: 20Y-60-41112VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0.
The Hydraulic Oil Tank of the Komatsu PC200-8M0 excavator is a critical component of the hydraulic system, which powers the machine’s operations such as lifting, digging, and rotating. Here's a detailed description:
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Material: The tank is generally made from steel or other durable metals to handle the pressurized environment and protect the hydraulic oil from external contaminants. It is designed to be robust, resistant to corrosion, and capable of withstanding vibrations from the machine.
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Capacity: The hydraulic oil tank typically holds a significant volume of hydraulic fluid to ensure smooth operation of all hydraulic functions. For a Komatsu PC200-8M0, the tank capacity is typically around 130-140 liters (or approximately 34-37 gallons), though this can vary slightly depending on model variations.
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Function:
- Reservoir: The primary function of the hydraulic oil tank is to act as a reservoir for the hydraulic fluid. The fluid is stored and pumped through the hydraulic circuits to operate various components like the boom, arm, and swing motor.
- Cooling: It also plays a role in dissipating heat generated from the hydraulic system as the oil cycles through, preventing the hydraulic system from overheating.
- Filtration: Inside the tank, there is usually a filter or a filtration system that ensures the hydraulic oil is clean and free of debris, maintaining the efficiency and longevity of the hydraulic components.
- Pressure Regulation: The tank helps to regulate the hydraulic fluid pressure, which is essential for the machine's efficient operation.
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Design:
- Shape and Position: The tank is generally rectangular or cylindrical in shape and is located within the machine's frame, often in the rear section of the excavator for balance and easy access during maintenance.
- Fittings and Ports: It features several fittings and ports for the fluid inlet and outlet, as well as for filling and draining the hydraulic oil. A vent or breather cap is typically included to allow air exchange, preventing pressure buildup inside the tank.
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Monitoring: The hydraulic oil tank is equipped with a sight gauge or level indicator to monitor the fluid level easily. Additionally, there may be sensors for monitoring the temperature and pressure of the hydraulic oil to ensure the system operates within safe limits.
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Maintenance: Regular inspection and maintenance are essential to ensure the hydraulic oil tank remains in good condition. This includes checking the oil level, changing the oil filter, and inspecting for leaks or signs of wear.
In summary, the Hydraulic Oil Tank of the Komatsu PC200-8M0 plays a vital role in storing and managing hydraulic fluid, which powers the machine's hydraulic systems, ensuring smooth and efficient operation.
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3,432.76 PHP
SKU: 07063-51100
UOM: Piece
Stock: 71
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87,500.00 PHP
SKU: 20Y-03-46170VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0 C22176.
The After Cooler Assembly of a Komatsu PC200-8M0 excavator is a component of the engine's air intake system, specifically designed to cool the compressed air before it enters the engine’s combustion chambers. It is also known as an intercooler and plays a crucial role in improving engine efficiency, enhancing power output, and reducing emissions.
Function:
The primary function of the After Cooler Assembly is to reduce the temperature of the compressed intake air after it has been pressurized by the turbocharger. This results in:
- Increased Air Density: Cooling the compressed air increases its density, allowing more oxygen to enter the engine for combustion, which improves engine power and fuel efficiency.
- Improved Combustion: Cooler, denser air promotes a more efficient and complete combustion process, leading to better fuel economy and reduced harmful emissions.
- Reduced Engine Temperatures: By lowering the intake air temperature, the after cooler helps keep the overall engine temperature in check, reducing the risk of overheating and protecting critical engine components.
Operation:
- Air Compression by Turbocharger: The turbocharger compresses air to increase the engine’s intake of oxygen, but this process also raises the air temperature significantly.
- Cooling Process: The hot compressed air is then routed through the after cooler, where it passes through the cooler’s tubes. Heat from the air is transferred to the cooler’s fins and dissipated into the surrounding air or coolant.
- Cooled Air to Engine: The now cooled and denser air is sent to the engine’s intake manifold, where it mixes with fuel and is burned in the combustion process, leading to more efficient power generation.
Benefits:
- Increased Engine Power: Cooler, denser air allows the engine to produce more power without increasing the fuel input.
- Improved Fuel Efficiency: The after cooler helps the engine burn fuel more efficiently, reducing fuel consumption.
- Reduced Emissions: By ensuring a more complete combustion process, the cooler helps reduce NOx emissions, making the engine more environmentally friendly.
- Extended Engine Life: Lower intake air temperatures reduce thermal stress on engine components, improving durability and reducing maintenance costs.
- Enhanced Machine Performance: The after cooler ensures the excavator can operate efficiently in high-demand situations, such as heavy digging or lifting.
Importance:
The After Cooler Assembly is a critical component for the Komatsu PC200-8M0 excavator, ensuring that the engine can deliver maximum power and efficiency while reducing emissions. By cooling the turbocharged air before it enters the engine, the after cooler enhances combustion, improves fuel economy, and helps maintain engine performance in challenging working conditions.
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45,308.41 PHP
SKU: 600-311-9340VP
UOM: Piece
Stock: 1
|
535.71 PHP
SKU: 20Y-70-31253VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0.
The Boom Upper Pin of a Komatsu PC200-8M0 excavator is a critical component in the machine's boom assembly, which connects the boom to the mainframe or the arm of the excavator. Here's a detailed description:
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Material: Typically, the pin is made of high-strength, hardened steel to withstand significant stress and wear. It needs to resist bending and corrosion over time due to the demanding nature of excavation work.
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Shape: The pin is cylindrical with smooth, polished surfaces, ensuring a tight fit and smooth movement within the bushings where it is inserted.
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Function: The upper boom pin helps the boom pivot on the excavator body, allowing for the up-and-down movement of the boom. This pin plays a key role in the structural stability of the excavator, supporting the forces generated during digging, lifting, and other operations.
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Dimensions: The exact dimensions vary, but it is generally long enough to span the width of the boom connection point. The pin's diameter and length are engineered to match the Komatsu PC200-8M0's specifications.
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Installation: It fits through the boom’s mounting point and is secured with retaining clips, bolts, or other fastening methods to prevent it from sliding out during operation.
In a nutshell, the Boom Upper Pin is a vital linkage in the Komatsu PC200-8M0 excavator, ensuring the boom's movement and stability during operations.
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30,700.00 PHP
SKU: 2A5-979-1281VP
UOM: Piece
Stock: 2
Dismantled parts from PC200-8M0 C22176 and PC200LC-8M0 C15621.
The Condenser Assembly of the Komatsu PC200-8M0 excavator is a vital part of the machine's air conditioning (A/C) system. Its primary role is to facilitate the cooling of the refrigerant used in the system, ensuring efficient heat dissipation and maintaining the desired temperature inside the operator’s cabin.
Here’s a detailed description of the Condenser Assembly:
1. Functionality
- The primary function of the condenser is to remove heat from the high-pressure refrigerant gas, converting it into a high-pressure liquid. This process allows the air conditioning system to provide cool air inside the cab.
- It plays a critical role in the A/C cycle by enabling the refrigerant to release the heat it absorbed from the cabin air, thus contributing to the system's overall cooling efficiency.
2. Components
The condenser assembly typically consists of several key components:
- Condenser Core (Coils): This is the central part of the assembly where the refrigerant passes through and cools down. The core is made up of tubes (often aluminum or copper) and thin fins, which help dissipate heat.
- Fins: These are metal strips attached to the condenser tubes, designed to increase the surface area for heat dissipation and enhance the cooling process.
- Inlet and Outlet Ports: These ports connect the condenser to the rest of the A/C system, allowing refrigerant to flow in and out of the assembly.
- Fan (Optional): Some condenser assemblies are equipped with an electric fan to improve airflow through the fins and accelerate the cooling process, particularly when the excavator is stationary or in low-speed operation.
- Mounting Brackets: These are used to securely attach the condenser to the excavator's frame or near the radiator.
3. Operation
- The condenser works as part of the air conditioning cycle. After the refrigerant absorbs heat from the cabin, it becomes a high-pressure, high-temperature gas. This gas flows into the condenser, where it releases the absorbed heat.
- As the refrigerant passes through the coils and fins of the condenser, it cools down and changes from a gas into a liquid, which is then cycled back into the system to continue the cooling process.
4. Cooling Process
- The condenser assembly is usually placed in front of the radiator to take advantage of the airflow generated by the excavator’s movement or the radiator fan. This airflow helps cool the refrigerant inside the condenser coils.
- In some cases, an auxiliary fan may be attached to the condenser to ensure sufficient airflow, especially when the machine is operating in hot environments or when there is limited airflow due to stationary operation.
5. Materials
- The condenser is typically made from lightweight and durable materials such as aluminum or copper, which provide excellent thermal conductivity for efficient heat transfer while being resistant to corrosion.
- The fins are usually made from thin metal sheets to maximize heat dissipation and improve overall cooling performance.
6. Location and Integration
- The condenser is generally located at the front of the excavator, near the engine compartment, where it can benefit from the flow of air. It is strategically placed alongside or in front of the radiator to optimize cooling performance.
- It is integrated into the A/C system between the compressor and the expansion valve, where it plays a key role in converting the high-pressure refrigerant gas into a liquid.
7. Maintenance
- Regular inspection and maintenance of the condenser assembly are crucial for optimal A/C system performance. This includes:
- Cleaning the Fins: Dirt, debris, or dust can accumulate on the fins, reducing the condenser’s efficiency. Regular cleaning ensures proper airflow and heat dissipation.
- Checking for Leaks: Over time, refrigerant leaks may develop at the joints or tubes. Checking for leaks and ensuring proper sealing is vital for maintaining system performance.
- Inspecting the Fan (if applicable): If the condenser has an auxiliary fan, it’s important to ensure the fan is functioning correctly to provide additional cooling when needed.
8. Operating Conditions
- The condenser assembly is designed to handle the high pressures and temperatures associated with the refrigerant in its gaseous state. It must operate efficiently across a wide range of temperatures and environmental conditions to ensure the A/C system works properly in various climates.
Function:
The Condenser Assembly serves a critical function in the air conditioning system of the Komatsu PC200-8M0 excavator by:
- Releasing Heat: It cools down the high-temperature refrigerant gas and condenses it into a liquid, allowing the A/C system to function efficiently.
- Supporting Cooling Efficiency: It ensures that the refrigerant is ready to circulate back through the system to provide continuous cooling in the cabin.
Benefits:
- Improved Cabin Comfort: By efficiently cooling the refrigerant, the condenser assembly ensures that the air conditioning system can maintain a comfortable temperature inside the cabin, even in hot or demanding working environments.
- Energy Efficiency: A well-functioning condenser reduces the workload on the compressor, leading to better overall energy efficiency for the air conditioning system.
- Durability: Constructed from materials that can withstand the pressures and temperatures of the A/C cycle, the condenser is designed for long-term reliability and performance.
Importance:
The Condenser Assembly is a crucial component in the Komatsu PC200-8M0 excavator’s air conditioning system. It enables efficient heat dissipation from the refrigerant, ensuring the A/C system provides reliable cooling for the operator. Regular maintenance, such as cleaning the fins and inspecting for leaks, is essential to keep the condenser functioning properly and avoid reduced cooling performance or system failures.
By maintaining optimal refrigerant temperature, the condenser assembly ensures the excavator can operate comfortably and efficiently in a variety of working conditions.
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100,300.00 PHP
SKU: 20Y-03-46130VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0 C22176
The Oil Cooler Assembly of a Komatsu PC200-8M0 excavator is a vital component in the hydraulic and engine lubrication systems. It functions to cool the hydraulic oil or engine oil, ensuring that the system operates efficiently and prevents overheating during heavy-duty operations. Proper cooling of the oil is crucial for maintaining the longevity of hydraulic components and engine parts, as well as ensuring smooth machine operation under high stress.
Function:
The Oil Cooler Assembly is responsible for regulating the temperature of the oil used in both the hydraulic and engine systems. Its main functions include:
- Preventing Overheating: The cooler ensures that oil, whether hydraulic fluid or engine oil, remains at an optimal temperature to prevent the system from overheating. Overheating can lead to oil breakdown, reduced lubrication, and potential damage to machine components.
- Maintaining Oil Viscosity: As oil heats up, it becomes thinner, reducing its ability to lubricate and protect components. The cooler helps maintain the oil’s viscosity, ensuring that it can provide proper lubrication for moving parts.
- Extending Component Life: By maintaining optimal oil temperatures, the cooler protects vital components like pumps, cylinders, engines, and motors from excessive wear and tear caused by overheating or poor lubrication.
Operation:
- Oil Circulation: During machine operation, hydraulic oil or engine oil heats up due to the friction and pressure within the system. This hot oil is then circulated to the oil cooler through dedicated oil lines.
- Heat Transfer: As the oil flows through the cooler, heat is transferred from the oil to the cooler’s fins or plates. In air-cooled systems, the heat is dissipated into the surrounding air, assisted by a cooling fan if necessary. In liquid-cooled systems, the heat is absorbed by the coolant fluid, which is then carried away to be cooled elsewhere.
- Returning Cooled Oil: Once the oil is cooled, it is returned to the hydraulic system or engine to continue lubricating and powering the excavator.
Benefits:
- Prevents System Overheating: By keeping the oil cool, the cooler prevents the hydraulic system or engine from overheating, ensuring consistent and reliable performance.
- Enhances Oil Performance: Maintaining proper oil temperatures ensures the oil retains its protective and lubricating properties, improving the overall performance and longevity of the machine.
- Increases Machine Durability: Cooler oil reduces the wear and stress on hydraulic components and engine parts, extending the life of the excavator’s systems.
- Ensures Continuous Operation: The oil cooler allows the excavator to operate under heavy loads and high temperatures without the risk of system failure due to overheating.
Importance:
In a high-performance machine like the Komatsu PC200-8M0, maintaining proper oil temperature is critical for both hydraulic efficiency and engine longevity. The Oil Cooler Assembly plays an essential role in preventing system failures, reducing maintenance needs, and ensuring the excavator can perform in demanding environments over extended periods of time.
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491.07 PHP
SKU: 20Y-25-21123VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0.
The Tube of the Swing Circle in the Komatsu PC200-8M0 excavator is likely referring to the grease tube or hydraulic line that is part of the swing circle (swing bearing) system. This tube plays an essential role in the lubrication or hydraulic operation of the swing bearing, ensuring smooth and efficient movement of the excavator's upper structure.
Here’s a detailed description of the tube within the swing circle system:
1. Material:
- The tube is typically made from high-strength steel or flexible reinforced rubber (depending on its specific function) designed to handle pressure and wear over time. It needs to withstand the stress of constant movement and environmental factors such as dust, debris, and varying temperatures on construction sites.
2. Function:
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Lubrication (Grease Tube): The most common function of a tube in the swing circle system is to deliver grease to the swing bearing. Lubrication is critical to reduce friction between the bearings and races inside the swing circle, allowing for smooth rotation of the upper structure.
- These tubes are connected to grease fittings or ports on the swing bearing and allow grease to be periodically added to ensure the bearings are properly lubricated.
- Grease tubes are crucial for maintaining the longevity and functionality of the swing bearing, preventing metal-on-metal contact, reducing wear, and avoiding overheating during operation.
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Hydraulic Line (if applicable): In some cases, hydraulic lines run near or around the swing circle, supplying hydraulic pressure to various components such as the swing motor. The hydraulic system powers the rotation of the swing circle and upper structure, ensuring the excavator can pivot effectively.
- These hydraulic tubes are built to withstand high pressures and ensure efficient hydraulic fluid flow without leaks or pressure loss.
3. Design:
- Shape and Size: The tube is usually cylindrical and sized to match the specific requirements of the excavator's swing system. For grease tubes, the diameter is relatively small, as they only need to deliver grease at a controlled rate. For hydraulic lines, they are designed to carry hydraulic fluid under high pressure.
- Fittings: The tube is connected to the swing circle system through grease fittings (for lubrication) or hydraulic connectors (for hydraulic lines). These fittings are designed for easy attachment and disconnection during maintenance, allowing for quick servicing of the system.
- Flexibility: If it’s a hydraulic tube, it may feature a flexible, reinforced design to accommodate the movements of the swing circle while maintaining a secure connection and preventing ruptures.
4. Location:
- Grease Tubes are typically routed along the swing circle and terminate at grease points on the bearing. These tubes are positioned to ensure that grease can be injected into the bearing’s critical points without requiring direct access to the bearing itself.
- Hydraulic Tubes (if present) are positioned near the swing bearing and are connected to the swing motor, which drives the rotation of the upper structure.
5. Maintenance:
- Grease Tubes: Regular greasing is essential for swing bearing maintenance. Operators need to ensure that the tubes are delivering grease effectively, and any blockages, leaks, or damage to the tubes should be addressed immediately.
- Hydraulic Tubes: These require periodic inspection for leaks or wear. If the hydraulic tubes are damaged, they can cause pressure loss in the system, impacting the efficiency of the swing mechanism.
6. Safety:
Maintaining the tubes (whether grease or hydraulic) is crucial for the safe operation of the excavator. If the tubes fail, the swing circle may not receive adequate lubrication, leading to premature wear or even failure of the swing bearing. Hydraulic tube failure can lead to loss of swing motor control, potentially causing dangerous situations during operation.
Summary:
The Tube of the Swing Circle in the Komatsu PC200-8M0 refers to the tubing used in the swing bearing system, typically for grease delivery or as part of the hydraulic circuit. These tubes ensure smooth operation by either supplying lubrication to the swing bearing or providing hydraulic power to the swing motor. Proper maintenance, including regular lubrication and inspection for wear or leaks, is crucial to ensure the longevity and safe operation of the excavator’s swing mechanism.
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754,300.00 PHP
SKU: 20Y-70-32490VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0 C22176.
The Arm Cylinder Assembly of a Komatsu PC200-8M0 hydraulic excavator is a key component in the machine’s hydraulic system, responsible for controlling the movement of the arm (boom). This assembly enables the machine to perform digging, lifting, and positioning tasks by extending and retracting the arm.
Here’s a detailed breakdown of the Arm Cylinder Assembly:
1. Cylinder Barrel
- The cylinder barrel is the main body of the arm cylinder. It houses the piston and serves as the chamber where hydraulic fluid is introduced to generate the necessary force for movement.
- It is designed to withstand high pressures from the hydraulic fluid as it moves the piston in and out, controlling the arm movement.
2. Piston and Piston Rod
- The piston is a solid part inside the cylinder barrel that moves back and forth as hydraulic fluid enters or exits either side of the cylinder.
- The piston rod connects the piston to the outer structure of the excavator’s arm. As the piston moves, it pushes or pulls the rod, which in turn moves the excavator’s arm.
- The piston rod extends out of one end of the cylinder barrel, transferring the hydraulic force to the arm of the excavator.
3. Seals and Gaskets
- Various seals and gaskets are placed within the arm cylinder to prevent hydraulic fluid leaks and ensure smooth, efficient operation.
- These seals are typically made of durable materials like rubber or synthetic compounds to handle extreme pressure and friction.
4. Hydraulic Ports
- Hydraulic ports are located at both ends of the cylinder barrel. These are entry and exit points for the hydraulic fluid, which is controlled by the excavator’s hydraulic pump and valve system.
- By directing fluid to either side of the piston, the arm cylinder extends or retracts the piston rod, allowing precise control of the arm’s movement.
5. Mounting Points (Pins and Bushings)
- The arm cylinder is attached to the mainframe of the excavator and the arm structure through mounting points, which typically use pins and bushings.
- These allow the cylinder to pivot and move freely as it extends and retracts, providing the necessary range of motion.
6. Cushioning System
- To prevent sudden stops or jolts at the end of the piston’s stroke, the arm cylinder often includes a cushioning system. This system slows down the movement at the end of the stroke to prevent damage and ensure smooth operation.
7. Hydraulic Fluid
- Hydraulic fluid is pumped into the arm cylinder to power the movement. The fluid enters one side of the piston and exits the other, forcing the piston rod to move in the desired direction.
Function:
The Arm Cylinder Assembly controls the extension and retraction of the arm (sometimes called the "stick") of the excavator. The arm is critical for performing digging, scooping, and loading operations. The cylinder allows the operator to control the precise position of the arm, enabling accurate excavation work.
Operation:
- When hydraulic fluid is directed into the bottom side of the arm cylinder (below the piston), the piston rod extends, pushing the arm outwards.
- When hydraulic fluid enters the top side of the cylinder (above the piston), the piston retracts, pulling the arm back.
This assembly is a crucial part of the overall hydraulic system that ensures powerful and smooth movement for various tasks like excavation, lifting heavy materials, and precision digging.
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30,700.00 PHP
SKU: 20Y-810-1550VP
UOM: Piece
Stock: 2
Dismantled parts from PC200LC-8M0 C15621 and PC200-8M0 C22176.
The Drier Receiver Assembly of the Komatsu PC200-8M0 excavator is an important component of the machine’s air conditioning (A/C) system. Its primary function is to ensure that the refrigerant used in the A/C system is free of moisture and contaminants, contributing to the overall efficiency and longevity of the cooling system.
Here’s a detailed description of the Drier Receiver Assembly:
1. Functionality
- The drier receiver assembly serves two main purposes: it acts as a drier and a receiver for the refrigerant in the air conditioning system.
- Drying Function: It removes moisture from the refrigerant, which is crucial because moisture can lead to corrosion and freeze-ups in the A/C system, potentially causing damage and reducing efficiency.
- Storage Function: The assembly temporarily stores the refrigerant in its liquid state before it enters the evaporator, helping maintain optimal pressure levels in the A/C system.
2. Components
The drier receiver assembly typically consists of several key components:
- Filter: A filter element is included to trap any debris or contaminants in the refrigerant, preventing them from circulating through the A/C system and causing damage.
- Desiccant: This is a moisture-absorbing material housed within the assembly, which effectively removes moisture from the refrigerant. Common desiccants include silica gel or molecular sieves.
- Receiver Tank: This tank stores the liquid refrigerant and maintains the correct pressure for the system to operate efficiently.
- Inlet and Outlet Ports: These are the connections for the refrigerant lines, allowing the flow of refrigerant into and out of the assembly.
3. Construction and Materials
- The drier receiver assembly is usually constructed from durable materials, such as aluminum or high-strength steel, to withstand the pressures and temperatures of the refrigerant.
- Its design is compact and robust, allowing it to be installed easily within the limited space of the excavator’s engine compartment.
4. Moisture Indicators
- Many drier receiver assemblies are equipped with moisture indicators that provide a visual indication of the moisture level in the refrigerant. This feature allows operators to monitor the system and determine when maintenance or replacement is needed.
5. Location and Integration
- The drier receiver assembly is typically located in the A/C system's line, positioned between the condenser and the evaporator. This strategic placement allows it to effectively dry and store the refrigerant before it enters the evaporator.
- Its integration into the A/C system ensures that the refrigerant is clean and dry, maximizing the cooling performance of the excavator.
6. Maintenance and Replacement
- Regular maintenance of the drier receiver assembly is essential for optimal A/C performance. This includes checking the moisture indicator, inspecting for leaks, and ensuring the filter is clean.
- If the desiccant becomes saturated with moisture, the entire drier receiver assembly may need to be replaced, as it cannot effectively remove moisture once it reaches capacity.
7. Operating Conditions
- The drier receiver assembly operates under varying temperature and pressure conditions, depending on the refrigerant cycle and the ambient environment. It is designed to function reliably across a wide range of operational scenarios.
Function:
The Drier Receiver Assembly plays a critical role in the air conditioning system of the Komatsu PC200-8M0 excavator by:
- Ensuring Efficiency: By removing moisture and contaminants, the assembly helps maintain the efficiency of the A/C system, ensuring effective cooling.
- Protecting Components: The drier protects other A/C components from damage caused by moisture and debris, extending their lifespan and reliability.
Operation:
- Refrigerant flows into the drier receiver assembly from the condenser in a liquid state.
- As the refrigerant passes through the filter and desiccant, any moisture is absorbed, and contaminants are trapped.
- The drier assembly then stores the cleaned refrigerant until it is needed in the evaporator, ensuring that only dry and clean refrigerant circulates through the system.
Benefits:
- Enhanced Cooling Efficiency: By ensuring that the refrigerant is free from moisture, the assembly maximizes the A/C system's cooling capacity.
- Component Protection: It helps protect sensitive A/C components from damage due to moisture and debris, reducing the risk of costly repairs.
- Improved Reliability: Regularly functioning drier receiver assemblies contribute to the overall reliability of the excavator’s air conditioning system.
- Maintenance Monitoring: Moisture indicators provide valuable feedback on the condition of the refrigerant, allowing for timely maintenance and replacement.
Importance:
The Drier Receiver Assembly is a vital component of the Komatsu PC200-8M0 excavator’s air conditioning system. By ensuring the refrigerant is free of moisture and contaminants, it contributes to the efficient operation and longevity of the cooling system. Regular maintenance and monitoring of the drier receiver assembly are essential to maintain the A/C system’s performance, providing a comfortable working environment for the operator in various operating conditions.
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13,900.00 PHP
SKU: 208-03-71161VP
UOM: Piece
Stock: 2
Dismantled parts from PC200-8M0 C22176.
The Fuel Cooler Assembly of a Komatsu PC200-8M0 excavator is an important part of the fuel system designed to regulate the temperature of the fuel before it enters the engine. Its primary purpose is to ensure that the fuel stays cool and at an optimal temperature, which helps maintain fuel efficiency and protects the engine from the negative effects of overheating fuel.
Here’s a detailed description of the Fuel Cooler Assembly:
1. Fuel Cooler
- The fuel cooler itself is a heat exchanger that cools the fuel before it reaches the engine. It is typically a compact radiator-like component made of metal (often aluminum) that transfers heat from the fuel to the surrounding air or a cooling fluid.
- The cooler lowers the temperature of the fuel, which is essential for ensuring proper fuel injection and combustion in the engine. Fuel tends to heat up as it circulates through the fuel system, especially when it returns from the fuel injectors, so the fuel cooler prevents this excess heat from affecting the engine's performance.
2. Fuel Lines
- The fuel lines connected to the fuel cooler are responsible for transporting fuel to and from the cooler. Hot fuel from the engine is routed through these lines into the fuel cooler, and cooled fuel is returned to the fuel tank or delivered to the fuel injectors.
- These lines are made of materials that can withstand the high temperatures and pressures of the fuel system.
3. Mounting Brackets
- The mounting brackets secure the fuel cooler to the frame of the excavator. These brackets are designed to keep the cooler in place even during rough operations and provide stability to the fuel system.
- Proper mounting ensures that the fuel cooler functions effectively and is protected from vibrations or impacts.
4. Cooling Method
- The cooling method used by the fuel cooler in the Komatsu PC200-8M0 can either be air-cooled or liquid-cooled:
- Air-Cooled Fuel Cooler: Uses airflow, generated either by the motion of the excavator or by a dedicated fan, to dissipate heat from the fuel cooler’s metal fins. As hot fuel flows through the cooler, heat is transferred to the fins and dissipated into the air.
- Liquid-Cooled Fuel Cooler: Uses the excavator’s engine coolant or another liquid cooling system to cool the fuel. In this case, coolant passes through the fuel cooler in a separate circuit, drawing heat away from the fuel.
5. Heat Exchanger Design
- The fuel cooler functions as a heat exchanger, where heat from the fuel is transferred to either the surrounding air or coolant. It usually consists of fins and tubes or plates that increase the surface area for heat dissipation.
- This design ensures efficient cooling, preventing the fuel from becoming too hot as it returns to the fuel tank or is recirculated back into the engine.
6. Fuel Temperature Sensor (optional)
- Some fuel systems may include a fuel temperature sensor that monitors the temperature of the fuel entering or exiting the fuel cooler. If the fuel exceeds a certain temperature, the system may adjust the cooling process or alert the operator of potential overheating issues.
Function:
The main function of the Fuel Cooler Assembly is to lower the temperature of the fuel before it is either returned to the fuel tank or sent to the fuel injectors. This cooling is necessary for several reasons:
- Prevents Vapor Lock: Excessive heat can cause fuel to vaporize, leading to vapor lock (where fuel vapor blocks the flow of fuel). By keeping the fuel cool, the cooler ensures smooth fuel flow and prevents interruptions in engine operation.
- Maintains Fuel Efficiency: Cooler fuel is denser and combusts more efficiently, helping the engine operate optimally and reducing fuel consumption.
- Protects the Engine: High fuel temperatures can negatively affect engine performance and lead to issues like pre-ignition or injector damage. The fuel cooler helps protect the engine by ensuring that fuel is delivered at the proper temperature.
Operation:
- Fuel Circulation: As the fuel circulates through the fuel system, it absorbs heat from various components, particularly the injectors and fuel pump. The hot fuel is routed to the fuel cooler via fuel return lines.
- Cooling Process: As fuel passes through the fuel cooler, it loses heat to the surrounding air or cooling fluid, depending on the design. The heat exchanger facilitates this process, ensuring the fuel exits the cooler at a lower temperature.
- Fuel Delivery: The cooled fuel is either returned to the fuel tank or directed to the injectors for use in the engine.
Benefits:
- Improved Engine Performance: By ensuring that the fuel temperature remains within optimal ranges, the fuel cooler helps the engine run more efficiently and reliably.
- Extended Engine Life: Proper cooling of the fuel prevents overheating-related damage to engine components, such as fuel injectors and combustion chambers.
- Fuel Efficiency: Cooler fuel burns more efficiently, improving fuel economy and reducing emissions.
- Prevents Fuel Vaporization: Helps prevent vapor lock, ensuring a continuous flow of fuel to the engine, especially in high-temperature environments or during heavy-duty operations.
Importance:
In modern excavators like the Komatsu PC200-8M0, the Fuel Cooler Assembly plays an essential role in maintaining the machine's overall efficiency and reliability. The diesel fuel system in such equipment generates heat during normal operation, and without a proper cooling system, the performance and longevity of the machine could be compromised.
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2,767.86 PHP
SKU: 20Y-30-21151VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0.
The Cover of the Swing Circle in the Komatsu PC200-8M0 excavator is a protective shield designed to cover and safeguard the swing circle (also known as the swing bearing or swing gear). This cover is an essential part of the excavator's structure, helping to protect the swing circle from external elements and ensure its smooth operation. Here’s a detailed description:
1. Material:
- The swing circle cover is typically made from high-strength steel or heavy-duty metal, designed to withstand the harsh conditions of construction sites. The material must be durable enough to protect the swing bearing from debris, impacts, and environmental wear while resisting corrosion and weather damage.
2. Function:
- Protection: The primary function of the swing circle cover is to protect the swing bearing and its internal components, including the gears and rollers, from dirt, dust, rocks, and other debris that could impair their performance or cause wear.
- Seal Against Contaminants: It helps prevent water, mud, and other contaminants from entering the swing bearing assembly. These contaminants could lead to premature wear, rust, or failure of the swing circle if left unchecked.
- Safety: The cover also prevents accidental contact with moving parts within the swing bearing, which could pose a risk to maintenance personnel during operation or servicing.
- Structural Integrity: The cover contributes to the overall structural stability of the swing circle by holding components in place and preventing unnecessary movement of parts, ensuring smooth and consistent rotation of the upper structure.
3. Design:
- Shape and Fit: The cover is typically circular or slightly contoured to match the shape of the swing circle. It is designed to fit snugly over the swing bearing, providing full coverage while allowing for movement and rotation underneath.
- Seals and Gaskets: Often, the cover includes seals or gaskets around its edges to create a tight fit and further prevent contaminants from entering the bearing assembly. These seals also help reduce the likelihood of oil or grease leaking out from the swing bearing.
- Mounting Bolts: The cover is usually secured with bolts around its perimeter, which hold it in place on the frame of the excavator. These bolts are typically easy to remove for maintenance or inspection of the swing circle.
4. Location:
- The swing circle cover is mounted over the swing bearing between the excavator's upper structure and the undercarriage. It is located underneath the machine, protecting the swing bearing from below and providing a barrier between the ground and the bearing system.
5. Maintenance:
- Inspection: Regular inspection of the swing circle cover is important to check for any damage, such as cracks, dents, or loose bolts. Damage to the cover could expose the swing bearing to harmful debris or moisture, leading to potential failure.
- Replacement: If the cover becomes compromised (cracked or excessively worn), it should be replaced to ensure continued protection of the swing circle and to prevent contaminants from entering the swing bearing assembly.
- Cleaning: Periodically cleaning the cover and the area around it helps to remove buildup of dirt or debris that could potentially find its way into the swing bearing.
6. Safety:
- The swing circle cover is an important safety feature that prevents large debris, stones, or other objects from getting trapped in the swing bearing, which could jam the system or cause damage. It also protects workers from accidental contact with the moving swing bearing during maintenance operations.
7. Role in Performance:
- By keeping the swing circle clean and protected, the cover helps maintain the smooth rotational movement of the upper structure of the excavator. A damaged or missing cover could lead to contamination of the bearing, causing it to seize or perform poorly, which in turn would affect the excavator’s ability to swing and operate effectively.
Summary:
The Swing Circle Cover of the Komatsu PC200-8M0 is a robust protective component that shields the swing bearing from external contaminants, such as dirt, rocks, water, and dust. It helps maintain the integrity and performance of the swing system by preventing wear and damage to the swing bearing. Constructed from durable materials, it is designed to fit securely over the swing bearing and is crucial for ensuring smooth rotation, safety, and longevity of the excavator’s swing mechanism. Regular inspection and maintenance of the cover are essential to ensure it continues to provide optimal protection.
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180,000.00 PHP
SKU: 706-7G-01140VP
UOM: Piece
Stock: 1
The Swing Motor Assembly of a Komatsu PC200-8M0 excavator is a key component in the machine's hydraulic system responsible for powering the rotational movement (swing) of the excavator’s upper structure. This allows the operator to rotate the cabin, boom, arm, and attachments around the base (undercarriage) in a 360-degree arc. The swing motor assembly converts hydraulic pressure into mechanical force to enable smooth, controlled, and powerful rotation during excavation, loading, and positioning tasks.
Here’s a detailed description of the Swing Motor Assembly:
1. Hydraulic Swing Motor
- The hydraulic swing motor is the heart of the swing motor assembly. It converts hydraulic pressure into rotational mechanical energy. The motor is typically a hydraulic piston motor designed to handle high torque and low-speed operations.
- When hydraulic fluid is delivered under pressure from the main hydraulic pump, the motor’s pistons or vanes rotate the motor’s shaft, generating the force needed to turn the upper structure.
- The motor operates in both directions, allowing the operator to swing the excavator left or right.
2. Swing Drive Shaft
- The drive shaft connects the hydraulic motor to the swing reduction gearbox. It transmits the rotational force generated by the swing motor to the gear system, which will eventually rotate the upper structure.
- The drive shaft must be durable and able to handle the high torque generated by the motor.
3. Swing Reduction Gearbox
- The swing reduction gearbox is a critical component that reduces the high-speed output of the swing motor to a slower, high-torque rotation needed to move the heavy upper structure of the excavator.
- It typically uses a planetary gear system, which allows for a significant reduction in speed while increasing torque. This gives the excavator fine control over its swing movements, especially when precision is required for tasks like trenching, lifting, or positioning materials.
- The reduced speed and increased torque ensure that the excavator's swing is smooth and controlled, even under heavy loads.
4. Swing Pinion Gear
- The swing pinion gear is a small gear attached to the output of the swing reduction gearbox. It meshes with the large swing ring gear (swing circle), allowing the swing motor to rotate the upper structure.
- The pinion gear transfers the torque generated by the motor and gearbox to the swing bearing, enabling the rotation of the entire upper part of the excavator.
5. Swing Brake
- The swing brake is an integral safety feature in the swing motor assembly. It prevents the upper structure from moving unintentionally when the operator stops the swing motion or when the machine is stationary.
- It can be a mechanical or hydraulic brake that engages when the swing control lever is released. The brake holds the swing mechanism in place, especially on inclines or during high-load operations, ensuring that the upper structure remains stable.
- This brake system ensures safe operation by locking the swing movement in place when not in use.
6. Swing Hydraulic Lines
- The swing motor is powered by hydraulic fluid delivered through high-pressure hydraulic lines connected to the machine’s main hydraulic system. These lines bring pressurized fluid to the motor to initiate the swing motion and return fluid after it has completed the circuit.
- Control valves in the hydraulic system regulate the flow of hydraulic fluid to the motor, allowing the operator to control the speed and direction of the swing.
7. Swing Control Valve
- The swing control valve is part of the hydraulic system that manages the flow of hydraulic fluid to and from the swing motor. The operator uses the control lever in the cabin to command the valve, which adjusts the fluid flow to increase, decrease, or reverse the swing movement.
- This valve allows for precise control of the swing speed, direction, and stop/start functions.
8. Lubrication and Cooling System
- The swing motor assembly, including the reduction gearbox, requires proper lubrication to reduce wear on gears and bearings. Lubricants such as gear oil are used to minimize friction and heat during operation.
- Some systems may include cooling mechanisms or rely on the machine’s overall hydraulic cooling system to dissipate heat generated during heavy or continuous swing operations.
Function:
The Swing Motor Assembly is responsible for powering the rotation of the upper structure of the excavator. Its main functions include:
- Rotation of the Upper Structure: The assembly powers the rotation of the cabin, boom, arm, and attachments, allowing the machine to perform a 360-degree swing.
- Positioning for Excavation and Loading: It enables precise control over the position of the excavator’s attachments (such as the bucket or breaker) for digging, trenching, or loading.
- Smooth and Controlled Movement: The combination of the swing motor, reduction gearbox, and pinion gear ensures that the movement of the upper structure is smooth, even under heavy loads.
Operation:
- Swing Left or Right: When the operator moves the swing control lever in the cabin, hydraulic fluid is directed to the swing motor. The motor generates torque, which is transmitted through the drive shaft to the reduction gearbox. The reduction gearbox slows down the motor’s speed while increasing torque, allowing for precise, controlled movement.
- Stopping the Swing: When the operator releases the swing control lever, the swing brake engages, halting the rotation and holding the upper structure in place.
- Torque Control: The planetary gearbox ensures that the excavator can rotate under heavy loads, providing the necessary torque for demanding tasks such as lifting or swinging large amounts of material.
Benefits:
- High Torque and Smooth Operation: The planetary reduction gearbox allows for smooth, high-torque swings, essential when handling heavy loads or working in tight spaces.
- Safety and Stability: The swing brake prevents unwanted motion when the excavator is stationary, increasing safety during operation.
- Durability and Precision: The swing motor assembly is built to handle the extreme stresses of continuous operation in demanding environments, ensuring the excavator can work efficiently over time.
The Swing Motor Assembly is essential for the excavator’s versatility, enabling it to rotate efficiently and accurately, perform a wide range of tasks, and operate effectively in various jobsite conditions.
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49,300.00 PHP
SKU: 20Y-60-41621VP
UOM: Piece
Stock: 2
Dismantled parts from PC200-8M0 C22176 and PC200LC-8M0 C15621.
The Solenoid Valve Assembly of the Komatsu PC200-8M0 excavator is a crucial component in the hydraulic system, responsible for controlling the flow of hydraulic fluid to various actuators and functions within the machine. Solenoid valves play a significant role in enabling precise operation of hydraulic functions such as boom lift, arm movement, and swing operations.
Function:
The Solenoid Valve Assembly performs essential functions in the hydraulic system, including:
- Controlling Hydraulic Flow: It directs the flow of hydraulic fluid to specific actuators, enabling various movements of the excavator, such as lifting, lowering, and swinging.
- Responding to Operator Input: The assembly responds to the operator's commands, allowing for precise control of machine functions.
- Enabling Multiple Functions: The design allows for the control of multiple hydraulic circuits simultaneously, increasing operational efficiency.
Operation:
- The operator activates a function using the control lever or joystick, sending an electrical signal to the solenoid valve assembly.
- The solenoid valve receives the signal, energizing the coil and moving the plunger to open the hydraulic passage.
- Hydraulic fluid flows to the designated cylinder, executing the desired function (e.g., moving the boom).
- When the function is completed, the operator releases the control, de-energizing the solenoid, which closes the valve and stops the flow of hydraulic fluid.
Benefits:
- Precise Control: The solenoid valve assembly allows for accurate and responsive control of hydraulic functions, improving operational efficiency and productivity.
- Versatility: It enables the operation of multiple hydraulic functions, allowing for complex tasks to be performed with ease.
- Reduced Operator Fatigue: Electrically controlled valves reduce the physical effort required by the operator, enhancing comfort and efficiency.
- Improved Reliability: High-quality materials and design ensure long-lasting performance, reducing maintenance needs and downtime.
- Safety Features: The design may include safety features to prevent unintended movement of hydraulic functions, enhancing operator safety.
Importance:
The Solenoid Valve Assembly is a critical component of the Komatsu PC200-8M0 excavator's hydraulic system. It enables precise control of hydraulic functions, enhancing the machine's overall performance and efficiency. The assembly's reliable operation is essential for the effective execution of various tasks, from digging and lifting to material handling, making it a vital part of the excavator's functionality. Regular maintenance and attention to the solenoid valve assembly help ensure the longevity and reliability of the excavator’s hydraulic system.
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185,000.00 PHP
SKU: 706-7G-01210VP
UOM: Piece
Stock: 1
Dismantled parts from PC200LC-8M0 C15621
The Swing Motor Assembly of a Komatsu PC200LC-8M0 excavator is a key component in the machine's hydraulic system responsible for powering the rotational movement (swing) of the excavator’s upper structure. This allows the operator to rotate the cabin, boom, arm, and attachments around the base (undercarriage) in a 360-degree arc. The swing motor assembly converts hydraulic pressure into mechanical force to enable smooth, controlled, and powerful rotation during excavation, loading, and positioning tasks.
Here’s a detailed description of the Swing Motor Assembly:
1. Hydraulic Swing Motor
- The hydraulic swing motor is the heart of the swing motor assembly. It converts hydraulic pressure into rotational mechanical energy. The motor is typically a hydraulic piston motor designed to handle high torque and low-speed operations.
- When hydraulic fluid is delivered under pressure from the main hydraulic pump, the motor’s pistons or vanes rotate the motor’s shaft, generating the force needed to turn the upper structure.
- The motor operates in both directions, allowing the operator to swing the excavator left or right.
2. Swing Drive Shaft
- The drive shaft connects the hydraulic motor to the swing reduction gearbox. It transmits the rotational force generated by the swing motor to the gear system, which will eventually rotate the upper structure.
- The drive shaft must be durable and able to handle the high torque generated by the motor.
3. Swing Reduction Gearbox
- The swing reduction gearbox is a critical component that reduces the high-speed output of the swing motor to a slower, high-torque rotation needed to move the heavy upper structure of the excavator.
- It typically uses a planetary gear system, which allows for a significant reduction in speed while increasing torque. This gives the excavator fine control over its swing movements, especially when precision is required for tasks like trenching, lifting, or positioning materials.
- The reduced speed and increased torque ensure that the excavator's swing is smooth and controlled, even under heavy loads.
4. Swing Pinion Gear
- The swing pinion gear is a small gear attached to the output of the swing reduction gearbox. It meshes with the large swing ring gear (swing circle), allowing the swing motor to rotate the upper structure.
- The pinion gear transfers the torque generated by the motor and gearbox to the swing bearing, enabling the rotation of the entire upper part of the excavator.
5. Swing Brake
- The swing brake is an integral safety feature in the swing motor assembly. It prevents the upper structure from moving unintentionally when the operator stops the swing motion or when the machine is stationary.
- It can be a mechanical or hydraulic brake that engages when the swing control lever is released. The brake holds the swing mechanism in place, especially on inclines or during high-load operations, ensuring that the upper structure remains stable.
- This brake system ensures safe operation by locking the swing movement in place when not in use.
6. Swing Hydraulic Lines
- The swing motor is powered by hydraulic fluid delivered through high-pressure hydraulic lines connected to the machine’s main hydraulic system. These lines bring pressurized fluid to the motor to initiate the swing motion and return fluid after it has completed the circuit.
- Control valves in the hydraulic system regulate the flow of hydraulic fluid to the motor, allowing the operator to control the speed and direction of the swing.
7. Swing Control Valve
- The swing control valve is part of the hydraulic system that manages the flow of hydraulic fluid to and from the swing motor. The operator uses the control lever in the cabin to command the valve, which adjusts the fluid flow to increase, decrease, or reverse the swing movement.
- This valve allows for precise control of the swing speed, direction, and stop/start functions.
8. Lubrication and Cooling System
- The swing motor assembly, including the reduction gearbox, requires proper lubrication to reduce wear on gears and bearings. Lubricants such as gear oil are used to minimize friction and heat during operation.
- Some systems may include cooling mechanisms or rely on the machine’s overall hydraulic cooling system to dissipate heat generated during heavy or continuous swing operations.
Function:
The Swing Motor Assembly is responsible for powering the rotation of the upper structure of the excavator. Its main functions include:
- Rotation of the Upper Structure: The assembly powers the rotation of the cabin, boom, arm, and attachments, allowing the machine to perform a 360-degree swing.
- Positioning for Excavation and Loading: It enables precise control over the position of the excavator’s attachments (such as the bucket or breaker) for digging, trenching, or loading.
- Smooth and Controlled Movement: The combination of the swing motor, reduction gearbox, and pinion gear ensures that the movement of the upper structure is smooth, even under heavy loads.
Operation:
- Swing Left or Right: When the operator moves the swing control lever in the cabin, hydraulic fluid is directed to the swing motor. The motor generates torque, which is transmitted through the drive shaft to the reduction gearbox. The reduction gearbox slows down the motor’s speed while increasing torque, allowing for precise, controlled movement.
- Stopping the Swing: When the operator releases the swing control lever, the swing brake engages, halting the rotation and holding the upper structure in place.
- Torque Control: The planetary gearbox ensures that the excavator can rotate under heavy loads, providing the necessary torque for demanding tasks such as lifting or swinging large amounts of material.
Benefits:
- High Torque and Smooth Operation: The planetary reduction gearbox allows for smooth, high-torque swings, essential when handling heavy loads or working in tight spaces.
- Safety and Stability: The swing brake prevents unwanted motion when the excavator is stationary, increasing safety during operation.
- Durability and Precision: The swing motor assembly is built to handle the extreme stresses of continuous operation in demanding environments, ensuring the excavator can work efficiently over time.
The Swing Motor Assembly is essential for the excavator’s versatility, enabling it to rotate efficiently and accurately, perform a wide range of tasks, and operate effectively in various jobsite conditions.
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37,500.00 PHP
SKU: 20Y-54-71112VP
UOM: Piece
Stock: 1
Dismantled parts from PC200-8M0.
The Cover of the Swing Circle in the Komatsu PC200-8M0 excavator is a protective shield designed to cover and safeguard the swing circle (also known as the swing bearing or swing gear). This cover is an essential part of the excavator's structure, helping to protect the swing circle from external elements and ensure its smooth operation. Here’s a detailed description:
1. Material:
- The swing circle cover is typically made from high-strength steel or heavy-duty metal, designed to withstand the harsh conditions of construction sites. The material must be durable enough to protect the swing bearing from debris, impacts, and environmental wear while resisting corrosion and weather damage.
2. Function:
- Protection: The primary function of the swing circle cover is to protect the swing bearing and its internal components, including the gears and rollers, from dirt, dust, rocks, and other debris that could impair their performance or cause wear.
- Seal Against Contaminants: It helps prevent water, mud, and other contaminants from entering the swing bearing assembly. These contaminants could lead to premature wear, rust, or failure of the swing circle if left unchecked.
- Safety: The cover also prevents accidental contact with moving parts within the swing bearing, which could pose a risk to maintenance personnel during operation or servicing.
- Structural Integrity: The cover contributes to the overall structural stability of the swing circle by holding components in place and preventing unnecessary movement of parts, ensuring smooth and consistent rotation of the upper structure.
3. Design:
- Shape and Fit: The cover is typically circular or slightly contoured to match the shape of the swing circle. It is designed to fit snugly over the swing bearing, providing full coverage while allowing for movement and rotation underneath.
- Seals and Gaskets: Often, the cover includes seals or gaskets around its edges to create a tight fit and further prevent contaminants from entering the bearing assembly. These seals also help reduce the likelihood of oil or grease leaking out from the swing bearing.
- Mounting Bolts: The cover is usually secured with bolts around its perimeter, which hold it in place on the frame of the excavator. These bolts are typically easy to remove for maintenance or inspection of the swing circle.
4. Location:
- The swing circle cover is mounted over the swing bearing between the excavator's upper structure and the undercarriage. It is located underneath the machine, protecting the swing bearing from below and providing a barrier between the ground and the bearing system.
5. Maintenance:
- Inspection: Regular inspection of the swing circle cover is important to check for any damage, such as cracks, dents, or loose bolts. Damage to the cover could expose the swing bearing to harmful debris or moisture, leading to potential failure.
- Replacement: If the cover becomes compromised (cracked or excessively worn), it should be replaced to ensure continued protection of the swing circle and to prevent contaminants from entering the swing bearing assembly.
- Cleaning: Periodically cleaning the cover and the area around it helps to remove buildup of dirt or debris that could potentially find its way into the swing bearing.
6. Safety:
- The swing circle cover is an important safety feature that prevents large debris, stones, or other objects from getting trapped in the swing bearing, which could jam the system or cause damage. It also protects workers from accidental contact with the moving swing bearing during maintenance operations.
7. Role in Performance:
- By keeping the swing circle clean and protected, the cover helps maintain the smooth rotational movement of the upper structure of the excavator. A damaged or missing cover could lead to contamination of the bearing, causing it to seize or perform poorly, which in turn would affect the excavator’s ability to swing and operate effectively.
Summary:
The Swing Circle Cover of the Komatsu PC200-8M0 is a robust protective component that shields the swing bearing from external contaminants, such as dirt, rocks, water, and dust. It helps maintain the integrity and performance of the swing system by preventing wear and damage to the swing bearing. Constructed from durable materials, it is designed to fit securely over the swing bearing and is crucial for ensuring smooth rotation, safety, and longevity of the excavator’s swing mechanism. Regular inspection and maintenance of the cover are essential to ensure it continues to provide optimal protection.
4o
You said:
Please describe the Engine Hood Cover of Komatsu PC200-8M0.
ChatGPT said:
ChatGPT
The Engine Hood Cover of the Komatsu PC200-8M0 excavator is an important protective component that covers and shields the engine and its related systems. It is designed to protect the engine from external elements, while also allowing access for maintenance and service. Below is a detailed description of the engine hood cover:
1. Material:
- The engine hood cover is typically made of high-strength steel or durable, reinforced plastic. The material is chosen to withstand the rugged conditions on construction sites, such as impacts, vibrations, dirt, and extreme weather conditions, while remaining lightweight enough to be easily opened for maintenance.
2. Function:
- Protection: The main function of the engine hood cover is to protect the engine and its components (such as the radiator, air intake, and electrical systems) from environmental factors, including dust, mud, water, and debris that could damage the engine or affect its performance.
- Noise Reduction: The hood also helps to dampen engine noise, contributing to a quieter work environment for the operator and reducing noise pollution on job sites.
- Ventilation: The hood is designed with airflow vents or louvers to allow hot air to escape and to ensure the engine remains cool during operation. This helps prevent overheating by maintaining good airflow through the engine compartment.
- Easy Access: One of the key functions of the engine hood cover is to provide easy access to the engine for maintenance and servicing. The cover is designed to be opened easily, allowing technicians to reach critical components such as filters, fluids, and belts for inspection or repair.
3. Design:
- Shape: The engine hood cover is contoured to fit the upper rear section of the excavator where the engine is housed. It is typically large and slightly curved, following the design of the excavator body to provide full coverage over the engine compartment.
- Vents and Openings: To allow for sufficient cooling, the hood has ventilation grills or slots that promote airflow through the engine compartment. This design ensures that the engine remains cool during heavy operation by allowing heat to dissipate.
- Hinges and Latches: The engine hood is attached to the frame using heavy-duty hinges, allowing it to be opened and closed easily. Latches or locks are used to securely fasten the hood in place during operation, preventing it from accidentally opening while the machine is in use.
- Finish: The exterior of the engine hood cover is usually painted or powder-coated in Komatsu's signature yellow color to provide corrosion resistance and durability in harsh outdoor environments.
4. Location:
- The engine hood cover is located at the rear upper section of the Komatsu PC200-8M0 excavator, covering the entire engine compartment. It forms the outer shell of the engine area, providing both protection and accessibility.
5. Maintenance:
- Inspection: Regular inspection of the engine hood cover is necessary to ensure there are no cracks, dents, or damage that could compromise the protection of the engine. Any damage should be repaired or the cover replaced to maintain proper protection.
- Cleaning: The hood should be kept clean to ensure that the ventilation slots remain clear and unobstructed, allowing air to flow freely and prevent engine overheating.
- Lubrication of Hinges: The hinges and latches should be lubricated periodically to ensure smooth operation when opening and closing the hood.
6. Safety:
- The engine hood cover enhances the safety of the machine by preventing unauthorized or accidental access to the engine and other critical components while the excavator is operating. It also reduces the risk of debris entering the engine compartment, which could lead to engine damage or fire hazards.
7. Ventilation and Cooling:
- The design of the engine hood cover allows for proper ventilation, which is crucial for maintaining optimal engine performance. The strategically placed vents or louvers allow hot air to escape while enabling fresh air to enter, helping to keep the engine running at the right temperature.
Summary:
The Engine Hood Cover of the Komatsu PC200-8M0 excavator is a robust, protective cover that shields the engine from environmental factors such as dust, dirt, and debris, while also providing noise reduction and ventilation for cooling. It is designed for easy access during maintenance, with hinges and latches for secure opening and closing. Regular inspection and cleaning of the hood are essential to maintain its protective function and ensure the engine operates efficiently.
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