CHAPTER 5. COOLING SYSTEM GROUP MAINTENANCE

TM 9-2320-211-34-2-1

CHAPTER 5

COOLING

SYSTEM

GROUP

MAINTENANCE

SCOPE

Section I

5 - 1 . EQUIPMENT ITEMS C O V E R E D . T h i s c h a p t e r gives equipment maintenance pro-

c e d u r e s f o r t h e r a d i a t o r , w a t e r pump, and f a n assembly for which there are autho-

r i z e d corrective maintenance tasks at the direct and general support maintenance

levels.

5 - 2 . EQUIPMENT ITEMS NOT COVERED. All equipment items for which corrective

m a i n t e n a n c e is authorized at the direct and general support maintenance levels are

covered in this chapter.

Section II. RADIATOR

5-3.

ENGINE COOLING RADIATOR ASSEMBLY REPAIR.

Removal.

Remove engine cooling radiator assembly. Refer to TM 9-2320-211-20.

Repair.

R e p a i r engine cooling radiator assembly. Refer to TM 750-25P.

R e p l a c e engine cooling radiator assembly. Refer to

Replacement.

T M 9-2320-211-20.

Section III. WATER PUMP

5-4. WATER PUMP ASSEMBLY REPAIR.

NOTE

Engine model LDS 465-1 may have either an

o l d type or new type of water pump housing

a s s e m b l y . Engine model LDS 465-1A has only

t h e new type of water pump housing assem-

b l y . S i n c e the old type of water pump housing

a s s e m b l y is no longer available, only the new

t y p e of water pump housing assembly may be

put back. Both types are covered in this task.

TOOLS:

N o special tools required

SUPPLIES:

W a t e r pump drive assembly gasket

S o l v e n t , dry cleaning, type II (SD-2), Fed. Spec P-D-680

Rag

P E R S O N N E L : One

EQUIPMENT CONDITION:

T r u c k parked, engine off, handbrake set.

5-1