50. Valve Rocker Arm and Push Rod Cleaning and Inspection

Valve Rocker Arm and Push Rods Cleaning and Inspection

Caution: Refer to Cleaning Solvent Caution

1. Clean the valve rocker arms and push rods in cleaning solvent.

Caution: Refer to Safety Glasses Caution in Cautions and Notices.

2. Dry the valve rocker arms and push rods with compressed air.




3. Inspect the valve rocker arms for the following conditions:

* Excessive wear at the valve contact or push rod socket area (1)
* A loose or damaged pin (2)
* A worn or damaged roller bearing (2)
The roller should rotate freely with no binding or roughness.
* The bolt threads for damage





Important: Keep the push rods in order. The intake and exhaust are different lengths.

4. Inspect the push rods for the following conditions:

* Straightness using a straight edge (1)
* Excessive wear on the push rod ends (3)
* Clogging of the oil passage (2)