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BASIC MAINTENANCE SCHEDULE - ISUZU ENGINE
See the original equipment manufacturer's operating manual for a complete list of mainte-
nance requirements. Failure to comply with the procedures as described in the engine
operator manual will nullify the warranty, decrease performance and cause equipment
damage or premature equipment failure. Maintenance records may be required to complete
Use the schedule in the following table as a guide for regular maintenance intervals.
Check Oil Level
Check Coolant Level
Check Fuel Level
Drain Fuel Filter
Check Tire Pressure
Check All Electrical Connections
Clean Battery
Check Fan Belt Tension (Replace If Necessary)
Inspect Radiator Fins for Debris, Clean as Required
Preheating Condition Check
Check Engine Starting Conditions and Noise Conditions
Check Exhaust Smoke Condition
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
Check Generator Drive Plate Torque (See
ator Drive Plate
Torque)
Replace Fan Belt
1
For MMG25IF4 only.
2
For MMG45IF4 only.
3
If the unit is operated in a harsh environment or fuel quality is questioned, replace every 250 hours instead
of every 500 hours.
36949 B
a warranty request.
Item
Checking Gener-
MMG25I-35D-45I-55DF4 Operating Manual
First 50
Hours
Every
Daily
(Break-
250
In
Hours
Period)
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
1
♦
♦
♦
Maintenance
Every
Every
500
2000
Hours
Hours
2 3
♦
3
♦
3
♦
3
♦
♦
♦
♦
♦
♦
39
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