TM-9-2330-326-14-P

SEMITRAILER, TACTICAL, DROP DECK BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, M871A3

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

FEBRUARY 2006

TM-9-2330-326-14-P - Page 121 of 540

TM 9-2330-326-14&P

6-45

6-14. AIR BRAKE CHAMBERS REPLACEMENT.

This Task Covers:

a. Removal

b. Installation

c. Follow-On Tasks

Initial Setup:

Tools and Special Tools:

References:

Tool kit, general mechanic’s (Item 4, Appendix B-3)

Appendix C

Jack stands

Appendix H-19

Appendix H-20

Equipment Conditions:

Appendix H-33

Landing legs down/Ground boards emplaced

Appendix H-37

Semitrailer disconnected from prime mover

Tires chocked

Brake air reservoirs drained

WARNING

•

No disassembly of air brake chamber is authorized. Before any

work is performed on the spring brake system, chock the wheel

front

and

rear

to

prevent

semitrailer

movement.

When

inspecting or caging air brake chambers, do not position

yourself in front of, or in line with, the chamber. Serious injury

or death may occur if this warning is not followed.

•

Discarded air brake chambers must be safely and properly

disposed of. They should be disarmed prior to disposal to

prevent present and future injury. (See Appendix H-20.)

•

Wear protective goggles when underneath trailer and opening

drain valve and avoid the air stream. Failure to do so could

result in injury to personnel.

•

Air brake chambers (all) must be caged before working on them

or the brake system to prevent serious injury to personnel and

damage to equipment. Wheels must be chocked.

NOTE

•

See Appendices H-19, H-20, and H-33 for technical data on air

brake

system.

See

Appendix H-37

for

technical

data

on

automatic slack adjusters.

•

There are four air brake chambers and they are removed and

installed the same way. This procedure covers one air brake

chamber.