TROUBLESHOOTING
87
Insufficient Engine Temperature
Possible Cause
Remedy
Faulty water thermostat.
Replace water thermostat.
Faulty gauge or sender.
Test with shop gauge; test sender.
Faulty oil thermostat.
Replace.
Excessive Engine Temperature
Possible Cause
Remedy
Seacock closed.
Open.
Charge Air Cooler plugged with
foreign material.
Clean Charge Air Cooler.
Seawater pump drive belt loose or
in poor condition.
Replace or adjust belt.
Seawater pickups obstructed.
Inspect.
Faulty thermostat.
Replace.
Oil cooler cores plugged with
foreign material.
Clean cooler cores.
Faulty seawater pickup pump.
Repair.
Seawater discharge restricted or
plugged.
Clean exhaust elbows.
Faulty gauges or senders.
Test with shop gauges; test
senders.
Aerated water supply to water
pick‑up.
Place water pick‑up in a
non‑aerated water supply.
Summary of Contents for HP1075 SCi
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