TM 5-1940-277-34
TROUBLESHOOTING PROCEDURES (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
ENGINE OVERHEATS (ENGINE AUDIBLE ALARM ACTIVATES) (Continued)
Step 3.
Check coolant level in header tank
a.
Fill to 1" below neck
Step 4.
Check for leaks in secondary cooling system.
a.
Tighten hose clamps.
b.
Replace defective hoses (refer to TM 5-1940-277-20).
c.
Replace header tank (refer to TM 5-1940-277-20).
Step 5.
Inspect secondary water pump impeller, cam, and end plate (refer to TM 5-1940-277-20).
a.
Replace defective impeller.
b.
Replace defective cam.
c.
Replace end plate.
d.
Replace secondary water pump (refer to TM 5-1940-277-20).
Change 7
2-10.5
