HEATER SHUTOFF VALVE

TM 9-2320-270-20-3

HEATER SHUTOFF VALVE

This task covers:

c. Inspection/Replacement (page 4-1 304)

a. Removal (page 4-1303)

d. Installation (page 4-1305)

b. Cleaning (page 4-1304)

INITIAL SETUP

Materials/Parts

Tools

Soap, liquid (item 14, appendix C)

Handle, speeder, 1/4-inch drive

Tape, teflon (item 22, appendix C)

Knife, pocket

Pan, drain

Personnel Required

Pliers, long-nose, round

Screwdriver, flat-tip, 1/8-inch

One

Screwdriver, flat-tip, 3/16-inch

Socket, 1/4-inch, 1/4-inch drive

Equipment Condition

Vise

Wrench, open-end, 1 1/16-inch

Right side hood open (TM 9-2320-270-10).

Wrench, open-end, 1 1/16-inch

Wrench, pipe, 1/4- to 1-inch

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,

Radiator cap (2)

1. Radiator(1)

pause, and allow pressure escape.

b. When all pressure has escaped,

unscrew and take off.

Put drain pan underneath.

Draincock (3)

Open and let coolant drain.

c. When coolant stops draining, close.

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

4-1302