NOTICE
Only qualified service personel should perform this
maintenance. Refer to the Service Manual or your au-
thorized Perkins dealer or your Perkins distributor for
the complete valve lash adjustment procedure.
Operation of Perkins engines with incorrect valve
lash can reduce engine efficiency, and also reduce
engine component life.
Ensure that the engine can not be started while
this maintenance is being performed. To help pre-
vent 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.
Ensure that the engine is stopped before measuring
the valve lash. The engine valve lash can be
inspected and adjusted when the temperature of the
engine is hot or cold.
Refer to Systems Operation/Testing and Adjusting,
“Engine Valve Lash - Inspect/Adjust” for more
information.
i02683336
Fan Clearance - Check
There are different types of cooling systems. Refer to
the OEM for information on clearance for the fan.
Ensure that the engine is stopped. Ensure that the
cooling system is full. The clearance between the
cover (1) and the fan (2) will require checking. The
gap (A) between the edge of the cover and the tip of
the fan blade must be checked in four equally spaced
positions.
86
SEBU8119-04
Maintenance Section
Fan Clearance - Check
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