TM 5-3805-260-24
23. ENGINE COOLANT IS TOO HOT
Cause
Correction
Restriction To Air Flow
Remove all restrictions of flow.
Through Radiator or
Restriction To Flow Of
Coolant Through the
Radiator
Not Enough Coolant in
Add coolant to cooling system.
System
Pressure Cap Has A Defect
Check operation of pressure cap. Install a new pressure cap if necessary.
Combustion Gases in Coolant
Find out where gases get into the cooling system. Make repairs as needed.
Water Temperature
Check water temperature regulators for correct operation. Check
Regulators (Thermostats) or
temperature gauge operation. Install new parts as necessary.
Temperature Gauge Has
A Defect
Water Pump Has A Defect
Install a new water pump.
Too Much Load On The
Make a reduction to the load.
System
Wrong Fuel Injection Timing
Make adjustment to timing.
Shunt Line Has A Defect
Make repairs as needed.
Drive Belts Loose
Adjust drive belts.
24. STARTING MOTOR DOES NOT TURN
Cause
Correction
Battery Has Low Output
Check condition of battery. Charge battery or make replacement as necessary.
Wiring or Switch Has
Make repairs or replacement as necessary.
A Defect
Starting Motor Solenoid Has
Install a new solenoid.
A Defect
Starting Motor Has A Defect
Make repair or replacement of starting motor.
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