Owner’s Manual for Mobile Generator 39
Maintenance
* If the unit is operated in a harsh environment or fuel quality is questioned, replace every 250 hours instead of every 500 hours.
Engine Break-In Requirements
NOTE: During the first 20 hours of operation, avoid long
periods of no load or sustained maximum load operation.
If the generator is to run for longer than five minutes
without a load, shut down the generator.
Operate the engine at heavy loads (60–90% of
maximum) as much as possible. If the engine has spent
significant time at idle, constant speed(s), or light load, or
if makeup oil is required, a longer break in period may be
needed. Refer to the engine operator’s manual for a full
description of necessary procedures on the addition of
break-in oil and extension of the break-in period. For
more information on regular maintenance intervals, refer
to Basic Maintenance Schedule.
Checking Generator Drive Plate
Torque
1. Disconnect battery.
2. Remove generator fan guard.
3. Tighten each of the drive plate bolts to
27 ft-lbs (36 Nm).
4. Install generator fan guard.
5. Connect battery.
ALD System Maintenance
See basic maintenance schedule, above, for ALD
maintenance requirements.
Basic Maintenance Schedule
Item Daily
First 50
Hr
(Break-in
Period)
Every 250
Hr
Every 500
Hr
Every
2,000 Hr
As
Required
Check engine oil level ♦
Check engine coolant level ♦
Check fuel level ♦
Drain fuel filter ♦
Check tire pressure ♦
Check all electrical connections ♦
Clean battery ♦
Check fan belt tension (replace if necessary) ♦
Check ALD drive belt tension ♦
Inspect radiator fins for debris; clean as
required
♦
Pre-heating condition check ♦
Check engine starting and noise conditions ♦
Check exhaust smoke condition ♦
Perform Daily Walk Around Inspection ♦
Replace engine oil ♦
♦
Replace fuel filter elements
♦
*
Clean water sedimenter element
♦
*
Electromagnetic pump filter replacement or
cleaning
♦
*
Oil filter element replacement ♦ ♦
Replace air filter element ♦
Lubricate leveling jacks ♦
Checking Generator Drive Plate Torque ♦
Replace fan/ALD drive belt ♦
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