TM 5-3895-379-23-1
0016
TROUBLESHOOTING PROCEDURE
SYMPTOM
ENGINE OPERATING TEMPERATURE IS TOO HIGH (WARNING LIGHT AND WARNING HORN ON)
MALFUNCTION
Coolant Level Low or Radiator Cap Faulty.
CORRECTIVE ACTION
WARNING
DO NOT service cooling system unless engine has been allowed to cool down.
This is a pressurized cooling system and escaping steam or hot coolant may
cause burns.
DO NOT remove cooling system radiator cap when engine is hot. Allow engine
to cool down. Loosen cap to first stop and let any pressure out of cooling
system, then remove cap. Failure to follow this warning may cause burns.
Wear effective eye, glove, and skin protection when handling coolants. Failure
to do so may cause injury.
1.
Open right-side door assembly (TM 5-3895-379-10).
2.
Pull back lever and open access door.
3.
Check radiator coolant level (WP 0139).
4.
Coolant level should be approximately 3 in. (7.6 cm) below fill port.
5.
The sealing surface of radiator cap should be clean and free of cracks, nicks, or dents.
a.
If coolant level is not correct, add coolant (WP 0139).
b.
If sealing surface of radiator cap is cracked, nicked, or dented, perform the following:
(1)
Replace radiator cap.
(2)
Pull back lever and close access door.
(3)
Release lever and close right-side door assembly (TM 5-3895-379-10).
c.
If coolant level is correct and pressure cap is OK, perform the following:
(1)
Install radiator cap.
(2)
Pull back lever and close access door.
(3)
Release lever and go to next malfunction.
0016-2
03/15/2011Rel(1.8)root(tswp)wpno(T00022)