REMOVAL - TM-9-2320-270-20-20258

TM9-2320-270-20-2

AIR SUPPLY VALVE AND COUPLING - CONTINUED

ACTION

REMARKS

ITEM

LOCATION

REMOVAL

WARNING

Make sure all pressure is drained from air system before disconnecting air lines. Parts

under pressure can, when removed, fly off with great force causing injury to personnel.

NOTE

Tag lines according to general maintenance instructions (page 4-1).

Drain (TM 9-2320-270-10).

Air system

Using 3/4-inch and 7/8-inch wrenches,

Cou pling (2)

2. Nipple (1)

unscrew and take off.

Using 13/16-inch wrench, unscrew and pull

Air line 08 (4)

3. Adapter (3)

out.

Using 13/16-inch wrench, unscrew and pull

Air line 06 (6)

4. Adapter (5)

out.

Using long-nose pliers, pull out.

Two inserts (7)

5. Air lines (4) and

(6) or adapters

(3) and (5)

a. With help from assistant and using

Two screws (10),

6. Supply valve (8)

7/16-inch wrench, 7/16-inch socket,

washers (11), lock-

to firewall (9)

extension, and handle, unscrew and

washers (12), and

take out.

nuts (13)

b. Get rid of Iockwashers (12).

Take out.

Supply valve (8)

7. Firewall (9)

DISASSEMBLY

a. Secure valve (8) in vise.

Two adapters (3)

8. Supply valve (8)

b. Using 11/16-inch box wrench, unscrew

and (5)

and take out.

a. Using 3/4-inch wrench, unscrew and

Nipple (1)

take out.

b. Take valve (8) out of vise.

CLEANING

Clean according to general maintenance

All parts

10.

instructions (page 4-1).

4-776