TREADLEVALVE

TM 9-2320-270-20-2

TREADLEVALVE

This task covers:

d. Inspection/Replacement (page 4-726)

a. Removal (page 4-720)

e. Assembly (page 4-726)

b. Disassembly (page 4-725)

f. Installation (page 4-726)

c. Cleaning (page 4-726)

INITIAL SETUP

Materials/Parts

Tools

Lockwasher, treadle valve to toe board

Hammer, machinist's ball-peen, 2-ounce

(three required)

Hammer, plastic

Soap, liquid (item 14, appendix C)

Handle, ratchet, 3/8-inch drive

Tape, teflon (item 22, appendix C)

Pliers, long-nose, round

Punch, drive-pin, 3/32-inch

Personnel Required

Socket, 1/2-inch, 3/8-inch drive

Vise, machinist's

Two

Wrench, open-end, 1/2-inch

Wrench, open-end, 9/16-inch

Equipment Condition

Wrench, open-end, 5/8-inch

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

Left side hood opened (TM 9-2320-270-10).

Wrench, open-end, 3/4-inch

Left hood side panel removed

Wrench, open-end, 13/16-inch

(TM 9-2320-270-10).

Wrench, open-end, 7/8-inch

Air cleaner hoses and restriction indicator

Wrench, open-end, 15/16-inch

removed (page 4-64).

ACTION

ITEM

REMARKS

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 wires and air lines according to general maintenance instructions (page 4-1).

Air system

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

Remove (page 4-407).

Two stoplight

2. Treadle valve

switches

4-720