C18 Marine Engines Engine Valve Lash - Check Caterpillar


Engine Valve Lash - Check
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C18 Marine Engines [SEBU7689]
BASIC ENGINE
VALVE MECHANISM GP
C18 Marine Engines Engine Valve Lash - Check
1.1. Adjustment of the Electronic Unit Injector

The initial valve lash adjustment on new engines, rebuilt engines, or remanufactured engines is recommended at the first scheduled oil change. The initial adjustment is necessary due to initial wear of the valve train components and seating of the valve train components.

This maintenance is recommended by AVSpare as part of a lubrication and preventive maintenance schedule in order to help provide maximum engine life.

Adjustment of the Electronic Unit Injector

Adjust the electronic unit injector (preload) at the same interval as the valve lash adjustment. The operation of AVSpare engines with improper valve adjustments and with improper adjustments of the electronic unit injector can reduce engine efficiency. This reduced efficiency could result in excessive fuel usage and/or shortened engine component life.


NOTICE

Only qualified service personnel should perform this maintenance. Refer to the Service Manual or your AVSpare dealer for the complete valve lash adjustment procedure.

Operation of AVSpare engines with improper valve adjustments can reduce engine efficiency. This reduced efficiency could result in excessive fuel usage and/or shortened engine component life.


------ WARNING! ------

Ensure that the engine can not be started while this maintenance is being performed. To help prevent possible injury, do not use the starting motor to turn the flywheel.

Hot engine components can cause burns. Allow additional time for the engine to cool before measuring/adjusting valve lash clearance.


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