ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. ENGINE COOLANT TEMPERATURE TOO LOW.
Step 1.
Step 2.
Step 3.
Step 4.
Thermostat stuck open.
Replace thermostat (para 4-43).
Improperly adjusted shutter or control linkage and thermostat.
Adjust or replace shutter and control assembly (para 4-39).
Replace defective control linkage or thermostat (para 4-37).
Defective temperature transmitter.
Replace temperature transmitter (para 4-20).
Defective coolant temperature gauge.
Replace coolant temperature gauge (para 4-63).
13. BATTERY CHARGING AMMETER SHOWS NO CHARGE WHEN BATTERIES ARE LOW OR DISCHARGED.
Defective alternator fuse.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Replace fuse in back of alternator (para 4-19, Figure 4-18)
Improperly adjusted alternator.
Adjust alternator (para 4-19).
V-belt is out of adjustment or broken.
Adjust or replace V-belt (para 4-40)
Defective alternator.
Replace alternator (para 4-19).
Open wire or loose connection in charging circuit.
Check charging circuit wiring. Replace broken wires and tighten loose connections (para 4-14).
Batteries dry.
Refill battery cells with distilled water (para 4-14).
4-14
