Komatsu Excavator Parts Rocker 708-2H-23450

Komatsu Excavator Parts Rocker 708-2H-23450

The term "rocker" in the context of Komatsu excavator parts typically refers to the rocker arm assembly. Here’s an overview of the rocker arm assembly in a Komatsu excavator, including its function, common issues, and maintenance tips:

Rocker Arm Assembly in Komatsu Excavators

1. Function: The rocker arm assembly is part of the engine's valve train system. It helps in the operation of the engine valves by transferring the camshaft's rotational motion to linear motion, which opens and closes the valves at the proper timing.

2. Components: The rocker arm assembly includes rocker arms, pushrods (if applicable), and sometimes hydraulic lifters or adjusters, depending on the engine design.

3. Common Issues:

   • Wear and Tear: Over time, rocker arms can wear out due to constant movement and contact with other engine components.
   • Noise: Noisy operation can indicate worn rocker arms or improperly adjusted valve clearances.
   • Improper Function: Issues with the rocker arm assembly can lead to poor engine performance, including loss of power or rough idling.

4. Maintenance:

   • Regular Inspection: Periodically inspect the rocker arm assembly for signs of wear, such as excessive play or visible damage.
   • Valve Adjustment: Follow the manufacturer’s recommended schedule for valve clearance adjustment to ensure proper operation.
   • Lubrication: Ensure proper lubrication of the rocker arms and associated components to reduce friction and wear.

5. Replacement:

   • Identify the Issue: Diagnose the specific issue with the rocker arm assembly, such as excessive wear or noise.
   • Source Parts: Purchase genuine Komatsu rocker arm parts or compatible replacements from authorized dealers or reputable suppliers.
   • Installation: Follow the service manual instructions for proper installation, torque specifications, and any required adjustments.

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