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Maintenance Schedule
Periodic inspection, service, and maintenance of this unit
is critical to ensuring reliable operation. The following is
the manufacturer's recommended maintenance sched-
ule. The maintenance items need to be performed more
frequently if the unit is used in severe applications (such
as very high or very low ambient conditions or extremely
dirty or dusty environments). Use the unit hour meter or
calendar time, whichever occurs first, from the previous
maintenance interval to determine next required mainte-
nance interval.
NOTE: Some checks are based on hours of operation.
Engine Maintenance Schedule
Daily
50 Hour Break-In
Every 500 Hours
Every 1,000 Hours
Every 2,000 Hours
Every 3,000 Hours
Every 6,000 Hours
Owner's Manual for Indirect Fired Heater
•
Check engine oil level.
Check fuel level.
•
Check engine coolant level.
•
•
Drain water from fuel filters.
•
Inspect air cleaner, dust unloader valve, and indicator.
•
Perform visual walk around inspection.
Inspect generator windings for dirt or grime.
•
•
Replace engine oil and engine oil filter.
•
Inspect and adjust cooling fan V-belt.
•
Drain water from fuel tank.
Drain oil/water separator.
•
Service battery.
•
•
Change engine oil and replace oil filter.
•
Inspect coolant pump.
Inspect open crankcase vent (OCV) system.
•
Remove and replace fuel filter elements.
•
•
Inspect belt wear.
•
Inspect belt tensioner.
•
Inspect cooling system.
Pressure test cooling system.
•
•
Check and adjust engine speeds.
•
Inspect engine mounts.
•
Inspect engine ground connection.
Inspect generator ball bearings.
•
Flush and refill cooling system.
•
•
Check the DC no load excitation voltage. See generator manual.
•
Inspect crankshaft vibration damper.
Adjust valve clearance.
•
Test glow plugs for continuity.
•
•
Test thermostat opening temperature.
Follow all applicable safety alerts in this manual or the
engine service manual before performing any mainte-
nance checks or service.
This maintenance schedule reflects the minimum tasks
needed to verify the unit remains operational. Some of
the tasks can be performed by an authorized operator,
and others must be performed by a GMASD.
NOTE: An authorized operator is one who has been
trained by a GMASD in correct operation and inspection
of this unit.
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Maintenance
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