Caterpillar C15 Industrial Engine — Engine Valve Lash - Inspect/Adjust
Adjustments
For the Caterpillar C15 Industrial Engine, from the Caterpillar owner's manual.
Applies to: Caterpillar C1.5 engine
Before you start
- Hot engine components can cause burns.
- Operation with improper valve adjustments can reduce engine efficiency.
Procedure
- Initial valve lash adjustment on new, rebuilt, or remanufactured engines is recommended at the first scheduled oil change.
- Only qualified service personnel should perform this maintenance.
- Ensure the engine cannot be started. Do not use the starting motor to turn the flywheel.
- Ensure the engine is stopped and allow valves to cool before measuring valve lash.
- Refer to the Service Manual or your Caterpillar dealer for the complete valve lash adjustment procedure.
- Inspect and adjust valve actuators, injectors, and compression brakes when valves are inspected and adjusted.
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.