TM-9-2320-285-24-1

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985

TM-9-2320-285-24-1 - Page 588 of 987

TM 9-2320-285-24-1

2-51.

AIR BRAKE SYSTEM MAINTENANCE (CONT)

a.

Air Brake Lines and Fittings (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

REPAIR

19

Tubing

a. Tubing

Cut

Between nut and sleeve

b. Nut

Remove

Slide from tubing

c. Insert

Remove, if

Pull from tubing only if

necessary

separated from fitting

d. Sleeve

Discard

NOTE

Repeat steps 19a thru 19d above to disassemble remaining fittings from tubing.

e. Tubing

Cut to proper

Use new tubing; use old

length

tubing to determine proper

length

f. Nut

Position

Slide onto tubing, threaded

end out

g. New sleeve

Position

Slide onto tubing

h. Insert

Install, if

Push into tubing only if

necessary

separated from fitting

WARNING

Tubing must be installed over insert for secure connection. Installation of fitting without insert will allow air

pressure to force tubing from fitting, resulting in dangerous loss of air pressure.

i. Tubing

Install

Push onto insert until seated

inside fitting

j. Nut

Tighten

Hand tight only; prevents

loss of sleeve before

installation

2-565