TM 55-2210-223-34
TO 45A2-2-14-22
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
30. BATTERIES FAIL TO CHARGE. (cont)
Step 4. Check to see if the battery charging resistors RE70 are working properly.
Test and replace resistors RE70 (para 3-31).
Step 5. Check to see if battery fuse F3 is blown.
Test and replace fuse F3 (TM 55-2210-223-12).
Step 6. Check to see if the auxiliary generator fuse F2 is blown.
Test and replace auxiliary generator fuse F2 (TM 55-2210-223-12).
Step 7. Check to see if start switch S2 contacts transfer.
Test and replace start switch S2 (TM 55-2210-223-12).
COOLING SYSTEM
31. COOLANT TEMPERATURE IS EXCESSIVE.
Step 1. Check for broken coolant pump shaft or impeller.
Repair or replace pump (TM 5-2815-232-14).
Step 2. Check for faulty shutter operation.
Repair for proper operation (para 3-40).
Step 3. Check for faulty water pump operation.
Repair or replace water pump (TM 5-2815-232-14).
Step 4. Check for faulty fan operation.
Repair or replace fan (para 3-41).
Step 5. Check to see if thermostat (water temperature regulator) is stuck.
Repair or replace thermostat (water temperature regulator) (TM 5-2815-232-14).
Step 6. Check to see if oil cooler is plugged.
Unplug oil cooler (TM 5-2815-232-14).
3-17
