TM 5-2420-231-23-1
0021
Table 1. Engine Coolant Temperature Gauge Indicates High Temperature,
Does Not Function, or Is Inaccurate - Continued.
021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
CAUTION
Engine Coolant Temperature
Gauge Indicates High
Do not allow engine to become overheated during this procedure. If
Temperature, Does Not
coolant temperature gauge indicates high engine coolant temperature,
Function, or Is Inaccurate -
turn ignition switch off immediately, or damage may result.
Continued
4. Start and operate engine (TM 5-
2420-231-10) for approximately 10
minutes.
5. Monitor and record engine coolant
Engine Coolant Temperature Gauge
temperature (TM 5-2420-231-10).
Indicates High Coolant Temperature
- Proceed to Test Step 6.
Engine Coolant Temperature Gauge
Below Lowest Mark at All Times -
Proceed to Test Step 7.
0021-3
