TM-9-2320-283-34-2

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, MQ15A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1983

TM-9-2320-283-34-2 - Page 194 of 570

TM 9-2320-283-34-2

BRAKE SYSTEM.

3-80. BRAKE TREADLE VALVE REPAIR (Continued).

LOCATION/ITEM

ACTION

REMARKS

NOTE

Before assembly, lubricate all pre-

formed packings, O-rings, bores, and

mating surfaces with GAA grease.

22. New valve (30).

23. New packing (27)

and O-ring (29).

24. Ring (31).

25. New packings (9)

and (10).

26. New valve (13).

27. Clip (12).

28. New spring (20).

29. Seat (21).

30. New nut (22).

31. New packing (19).

32. Spring (11).

33. Piston (8).

Install onto item (28).

Install in item (28).

Using snapring pliers,

install item (31) into item

(28).

Install onto item (8).

Install in item (14).

Using snapring

install item 12) into item

pliers,

(14).

Install with beveled side of

item (20) towards top of

item (18).

Install onto item (20).

Install and tighten onto item

(18).

Install onto item (18).

Install into top of item

(14).

Place onto item (11).

Make certain item (31)

fits correctly in the

groove of item (28).

Set assembled item (28)

aside.

Make certain item (12)

fits correctly in the

groove of item (14).

Item (11) is a small

diameter spring as com-

pared to item (17).

3-750