Product Manual

60 Owner’s Manual for Dry-Prime Diesel Trash Pumps
Troubleshooting
Engine Fault Shutdown Troubleshooting
Symptom Possible Cause Solution
Low oil pressure shutdown
Low oil level
Check oil level, replace as neces-
sary
Faulty oil pressure sender Replace oil pressure sender
Incorrect oil grade
Change engine oil, refer to engine
operating manual
Worn oil pump Refer to engine operating manual
Oil leak Refer to engine operating manual
High temperature shutdown
Low coolant level
Check coolant level, replace as nec-
essary
Faulty temperature sender Replace temperature sender
Coolant leaks
Refer to engine operating manual,
replace components as necessary
Worn water pump Refer to engine operating manual
Overcrank shutdown Pump engine will not start Refer to engine operating manual
Overspeed shutdown
Pump cavitation
Reduce engine speed, lower intake
hose
Air trapped in intake hose
Relocate and/or straighten intake
hose
Intake insufficiently submerged Lower intake hose
Air leak in intake hose
Inspect intake hoses and couplings
for damage or missing components
and seals
Air leak at pump housing
Inspect gaskets, seals and O-rings
at pump intake flange, clean out
cover and priming port
No speed signal shutdown
Engine magnetic pickup damaged or
misaligned
Inspect magnetic pickup for damage/
alignment
Low fuel shutdown Low fuel level Refill fuel tank with clean diesel fuel
Low coolant shutdown Low coolant level
Allow engine to cool. Check coolant
level in radiator. Add coolant until it
is 3/4 in. (19 mm) below the filler
neck