TM 5-3825-270-23&P
FIELD MAINTENANCE
ENGINE DOES NOT REACH NORMAL OPERATING TEMPERATURE
INITIAL SETUP:
Tools and Special Tools
References (cont.)
Tool Kit, General Mechanic's: Automotive
Thermostat And Housing Replacement (WP 0140)
(WP 0225, Table 1, Item 12)
Water Distributor Operator Manual (TM
5-3825-270-10)
References
Main Control Panel Engine Temperature Gauge
Equipment Condition
Replacement (WP 0097)
Engine OFF. (TM 5-3825-270-10)
Radiator Drain/Fill (WP 0075)
TROUBLESHOOTING PROCEDURE
ENGINE DOES NOT REACH NORMAL OPERATING TEMPERATURE
STEP 1
Is radiator coolant circulating through radiator at engine startup?
WARNING
DO NOT service cooling system unless engine has cooled. This is a pressurized cooling
system and escaping steam or hot coolant will cause serious 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.
Wear effective eye, glove, and skin protection when handling coolants.
Failure to comply may result in damage to equipment, death, or serious injury to
personnel.
NOTE
Ensure engine has not been running for at least six hours to ensure engine cooling system
is not pressurized.
1.
Remove radiator cap. (WP 0075)
NOTE
Ensure not to run engine for more than 1 minute with radiator cap removed.
2.
Start engine. (TM 5-3825-270-10)
3.
Visually inspect inside of radiator to check for coolant circulation.
4.
Shutdown engine. (TM 5-3825-270-10)
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