Test the Service Indicator
Service indicators are important instruments.
• Check for ease of resetting. The service indicator
should reset in less than three pushes.
• Check the movement of the yellow core when the
engine is accelerated to the engine rated speed.
The yellow core should latch at the greatest
vacuum that is attained.
If the service indicator does not reset easily, or if the
yellow core does not latch at the greatest vacuum,
the service indicator should be replaced. If the new
service indicator will not reset, the hole for the service
indicator may be restricted.
The service indicator may need to be replaced
frequently in environments that are severely dusty.
i07819526
Engine Air Precleaner - Check/
Clean
Illustration 67 g01453058
Typical engine air precleaner
(1) Wing nut
(2) Cover
(3) Body
Remove wing nut (1) and cover (2). Check for an
accumulation of dirt and debris in body (3). Clean the
body, if necessary.
After cleaning the precleaner, install cover (2) and
wing nut (1).
Note: When the engine is operated in dusty
conditions, more frequent cleaning is required.
Do not tap or strike the air cleaner element.
i07819538
Engine Mounts - Inspect
Note: The engine mounts may not have been
supplied by Perkins. Refer to the Original Equipment
Manufacturer (OEM) information for further details on
the engine mounts and the correct bolt torque.
Inspect the engine mounts for deterioration and for
correct bolt torque. Excessive engine vibration can
be caused by the following conditions:
• Incorrect mounting of the engine
• Deterioration of the engine mounts
• Loose engine mounts
Any engine mount that shows deterioration should be
replaced. Refer to the OEM information for the
recommended torques.
When the engine mounts are supplied by Perkins the
maintenance procedure will be supplied in the
Disassembly and Assembly manual for your engine.
i06862328
Engine Oil Level - Check
Hot oil and hot components can cause personal
injury. Do not allow hot oil or hot components to
contact the skin.
Illustration 68 g00110310
(Y) “ADD” mark. (X) “FULL” mark.
NOTICE
Perform this maintenance with the engine stopped.
1. Maintain the oil level between “ADD” mark (Y) and
“FULL” mark (X) on oil level gauge (1). Do not fill
the crankcase above “FULL” mark (X).
M0094137-02 99
Maintenance Section
Engine Air Precleaner - Check/Clean
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