TM 5-2410-240-23-1
0019
Table 1. Engine Troubleshooting Procedures - Continued.
0019
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Engine Coolant Temperature Too
4. Inspect sealing surfaces of
Coolant Tank Cap Contaminated
High - Continued
coolant tank cap.
- Clean coolant tank cap.
Coolant Tank Cap Damaged -
Replace coolant tank cap
(WP 0042).
5. Inspect radiator hoses for
Coolant Hoses Damaged or Col-
damage and collapse.
lapsed - Replace radiator hoses
(WP 0040).
Coolant Hoses Not Damaged or
Collapsed - Replace water tem-
perature regulator (WP 0082).
6. Inspect hydraulic cooling fan
for the following:
Damaged - Replace cooling fan
a. Damage, refer to Cooling
(WP 0042) or water pump
System Inspection
(WP 0083) as needed.
(WP 0027) and water
pump inspection.
b. Correct operation, refer to
Not Operating - Refer to Hydrau-
Cooling Fan Operation
lic Fan Speed Calibration and
Adjustment (WP 0026).
WARN I N G
At operating temperature, engine coolant is hot and under pres-
sure. Radiator and all lines to heaters or engine contain hot cool-
ant or steam. Any contact can cause severe burns. Allow engine
and coolant to cool before slowly removing filler cap to relieve
cooling system pressure. Engine must be stopped and radiator
cap cool enough to touch with your bare hand. Failure to follow
this warning may result in injury or death to personnel.
7. Turn off engine and allow
engine to cool to below normal
working temperature.
8. Remove cooling tank cap from
coolant system.
Bubbles Found - Refer to Coolant
9. Start engine and inspect
in Engine Oil, Malfunction 1, in this
engine coolant for presence of
work package.
bubbles.
No Bubbles - Install coolant tank
cap.
0019-4