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Section 5: Troubleshooting
General Troubleshooting
This information is intended to be a check or verification
for simple causes that can be located and fixed. It does
not cover all types of problems. See the engine
Problem
Low Oil Pressure
Shutdown
High Coolant
Temperature Shutdown
Owner's Manual for Mobile Generator
General Troubleshooting Guide
Possible Cause
Low oil level
Oil leaking from engine
Oil pressure sender
Low coolant level
Blockage in radiator
Leakage in coolant hoses,
engine block, or water
pump
operator's
manual
information. Procedures that require in-depth knowledge
or skills should be referred to a trained technician.
Solution
Check oil level on dipstick. Add oil if needed.
Visually inspect the engine for leaks. Restart unit and verify loss of
pressure. Shut down immediately if pressure does not reach 5 psi
(34 kPa) within five seconds.
See engine operator's manual to identify corrective action.
Add coolant if needed. Allow engine to cool, then check coolant
level in radiator. Restart engine and check coolant temperature
(on controller). Stop engine immediately if coolant temperature is
210°F (99°C) or more.
Check radiator shroud and ducting for blockage and remove any
foreign matter.
Inspect for visible leaks. Check tension of water pump serpentine
drive belt.
Remove load on generator and restart engine. Check coolant
temperature and shut engine down immediately if it starts to
overheat (230 degrees or higher). See the engine operator's
manual for additional information on engine overheating.
for
additional
troubleshooting
23
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