General Troubleshooting 4-9TP-5606 6/02
Overheats Low coolant Replenish cooling Section 3. Cooling System
system
Air cleaner clogged Clean or replace Section 3. Air Cleaner
element Service
Fan belt broken Tighten/replace Section 3. Drive Belt
or loose fan belt
Radiator clogged Clean radiator
or dirty (inside and outside)
Radiator cap Replace radiator cap
defective
Defective water pump Check water pump Engine Service Manual
Engine malfunction Troubleshoot engine Engine Service Manual
Defective K30 Check/replace Section 3. Engine/Generator
relay (remote K30 relay Component Testing
radiator system)
Problem Possible Cause Corrective Action Reference
Operates Air cleaner clogged Clean or replace Section 3. Air Cleaner
erratically element Service
Stale or bad fuel Replace
Governor not properly Check engine speed Section 3. Governor
adjusted or defective using frequency meter
(Engine not operating or tachometer.
at rated RPM)
NOTE: For 60 Hz--1800 RPM
For 50 Hz--1500 RPM
Fuel line restriction Inspect fuel lines and
tank.
Problem Possible Cause Corrective Action Reference
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