SEBU8191-01 59
Maintenance Section
Engine Protective Devices - Check
3. Start the engin
e and run the engine for 2 minutes.
Perform this procedure in order to ensure that the
lubrication system has oil and that the oil filters
are filled. Ins
pect the oil filters for oil leaks.
4. Stop the engine and allow the oil to drain back to
the oil pan fo
r a minimum of 10 minutes.
g01165836
Illustration 58
(Y) “Min
” m ark. (X) “Max” mark.
5. Remove the engine oil level gauge (2) in order to
check th
e oil level. Maintain the oil level between
the “MIN” and “MAX” marks on the engine oil level
gauge.
i02461963
Engine Protective Devices -
Check
Alarms and shutoffs must function properly. Alarms
provide timely warning to the operator. Shutoffs help
to prevent damage to the engine. It is impossible
to determine if the engine protective devices are
in good working order during normal operation.
Malfunctions must be simulated in order to test the
engine protective devices.
A calibration check of the engine protective devices
will ensure that the alarms and shutoffs activate
at the setpoints. Ensure that the engine protective
devices are functioning properly.
NOTICE
During testing, abnormal operating conditions must be
simulated.
The tests must be performed correctly in order to pre-
vent possible damage to the engine.
To prevent dama
ge to the engine, only authorized
service personnel or your Perkins dealer should
perform the tests.
Visual Inspection
Visually check the condition of all gauges, sensors
and wiring. Look for wiring and components that
are loose, br
oken, or damaged. Damaged wiring
or components should be repaired or replaced
immediately.
i03783789
Engine Valve Lash -
Inspect/Adjust
(Valves and Valve Bridges)
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 w hile
this maintenance is being performed. To help pre-
vent pos sible 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 mea-
suring/adjusting valve lash clearance.
Note: The valv e bridges must be equalized before
the valve lash is adjusted.
Refer to Systems Operation, Testing and Adjusting,
“Valve Lash - Adjust” for the correct procedure.
i02463729
Fan Drive Pulley - Check
1. Isolate the electrical supply to the engine.
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