HEATER SHUTOFF VALVES

TM 9-2320-269-20-2

HEATER SHUTOFF VALVES

This task covers:

a. Removal (page 2-1036)

b. Installation (page 2-1307)

INITIAL SETUP:

Tools

Materials/Parts

Brush, scratch, wire

Tape, teflon (item 32, appendix C)

Screwdriver, flat-tip, 3/16-inch

Vise, machinist's

Personnel Required

Wrench, adjustable,

Wrench, pipe, 114 to 1-inch

One

Equipment Condition

Right side of hood open (page 2-7).

Air intake hose removed (page 2-247).

Cooling system drained (page 2-265).

TM 55-1905-220-14-8

ACTION

LOCATION

ITEM

REMARKS

REMOVAL

NOTE

The steps in this task are the same for both upper and lower valves, except upper

valve uses a 45 degree elbow and lower valve a 90 degree elbow. Upper valve is

the example.

1.

Heater hose (1) to

Clamp (3)

Using flat-tip screwdriver, unscrew

valve (2)

and slide back.

2.

Valve (2)

Hose (1)

Twist, and pull off.

3.

Elbow (4)

Valve (2)

Using pipe wrench and adjustable wrench,

unscrew and take out.

4.

Engine (5)

Pipe (6)

Using pipe wrench, unscrew and

elbow (4)

take out.

5.

Pipe(6)

Elbow (4)

a. Secure pipe (6) in vise.

b. Using pipe wrench, unscrew elbow (4)

and take off.

c. Remove pipe (6) from vise.

2-1306