REMOVAL - TM-9-2320-270-20-30442

TM 9-2320-270-20-3

HEATER COOLANT RETURN ELBOW - CONTINUED

ACTION

REMARKS

ITEM

LOCATION

REMOVAL

WARNING

Be careful when removing radiator cap. If engine is hot, escaping steam could burn

you. Using a rag, cover radiator cap to protect your hand. Unscrew cap just enough to

allow any built-up steam to escape. When all pressure has been relieved, unscrew cap

the rest of the way, and take off of radiator.

Slowly unscrew to first stop, pause,

Radiator cap (2)

1. Radiator(1)

and let pressure escape.

When all pressure has escaped,

unscrew and take off.

a. Put drain pan underneath.

Draincock (3)

b. Open and let coolant drain.

c. When coolant stops draining close.

d. Get rid of coolant (page 4-1).

Put drain pan underneath.

Clamp (6)

3. Hose (4) to

Using screwdriver, unscrew and slide

elbow (5)

down.

NOTE

it maybe necessary to cut off hose with pocket knife. if hose has to be cut, replace

hose.

a. Twist and pull off.

Hose (4)

4. Elbow (5)

b. Get rid of coolant (page 4-1).

Using 11/8-inch and 11/16-inch

Elbow (5)

5. Reducer(7)

wrenches, unscrew and take out.

Using 11/8-inch wrench, unscrew and take

Reducer (7)

6. Thermostat

out.

housing (8)

CLEANING

Clean according to general maintenance

All parts

instructions (page 4-1).

INSPECTION/REPLACEMENT

inspect according to general maintenance

All parts

instructions (page 4-1).

4-1320