ENGINE OVERHEATS. - TM-9-2350-238-20-10081

TM 9-2350-238-20-1

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 10. Check for plugged engine intake air duct.

Clean, repair, or replace as required. Refer to page 2-457.

Step 11. Check for plugged or damaged intake air separators.

Clean, repair, or replace as required. Refer to page 2-446.

Step 12. Check for plugged turbocharger air intake duct and screen.

Clean, repair, or replace as required. Refer to page 2-459 or

If problem still exists, notify direct support maintenance.

Step 13.

ENGINE OVERHEATS.

Check cooling system for leaks. Check drain cocks, hoses, tubes, manifolds,

Step 1.

and fittings for loose connections and damage.

Tighten connections or replace damaged parts as required. Refer to

Check radiator exterior for air blockage.

Step 2.

Clean radiators. Refer to page 2-515.

Check fan power source (magnetic clutch sheave) for operation.

Step 3.

If magnetic clutch sheave is not rotating when engine is running, notify

direct support maintenance.

Check fan belts and fan assembly for damage.

Step 4.

Replace fan belts or fan assembly as required. Refer to page 2-543.

Check fan belt tensioner for adjustment.

Step 5.

Adjust tensioner as required. Refer to page 2-543.

Check coolant (water) pump for leaks and noise.

Step 6.

If problem exists, notify direct support maintenance.

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