ADAPTER-ELBOW 4590630 - Caterpillar

Valve Lash Adjustment
The procedures for engine valve lash should be performed according to the information in the Service Manual.Operation of Caterpillar engines with improper valve adjustments will reduce engine efficiency. This reduced efficiency could result in excessive fuel usage and/or shortened engine component life.
Table 2
Setting The Valve Lash(1)
Valves Dimension Of The Feeler Gauge
Inlet 0.60 mm (.024 inch)
Exhaust 1.00 mm (.040 inch)
(1) Only adjust the valve lash while the engine is stopped. Use the procedure that follows for adjustment of the valves:
Rotate the No. 1 piston to the top center position. Refer to Testing And