4
Maintenance Inspection Schedule
Fuel
Island
Pre-trip
Every
750
Hours
Annual/
3,000
Hours
Maintenance interval may be extended to 1000 hours when
equipped with bypass oil filter.
Inspect/Service These Items
Engine
•
Check engine oil level.
•
Check radiator coolant. (CAUTION: DO NOT remove radiator cap
while coolant is hot.)
•
Inspect belts for condition and proper tension (belt tension tool No.
204-427).
•
Check engine oil pressure hot, on high speed. Record psig.
•••
Listen for unusual noises, vibrations, etc.
•
Change engine oil and filters (hot).
•
Change oil bath air cleaner element, replace dry type element, clean
and service crankcase breather, and check air cleaner hose for
damage.
•
Change fuel filter.
•
Drain water from fuel tank and check vent.
•
Inspect/clean electric fuel pump filter.
•
Change engine coolant every two years. Maintain year around anti-
freeze protection at -30 F (-34 C).
•
Check and adjust engine speeds (high and low speed).
•
Check condition of engine mounts.
Electrical
•
Check unit charging voltage (14 volts nominal)
•
Check defrost initiation and termination.
•
Inspect battery terminals and electrolyte level.
•
Check operation of protection shutdown circuits.
•
Check µP-T sensor calibration in 32 F (0 C) ice water bath.
•
Inspect wire harness for damaged wires or connections.
•
Check air switch setting.
•
Inspect electric motor bearings.*
•
Inspect electrical contacts for pitting or corrosion.
•
Inspect DC (battery charging) alternator bearings and brushes.*
*With belt removed, spin bearings by hand. Listen for noise (bearings roll freely).
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