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 292 of 570

TM 9-2320-283-34-2

FRAME AND TOWING ATTACHMENTS.

3-97. FIFTH WHEEL REPAIR (Continued).

LOCATION/ITEM

ACTION

REMARKS

B. CLEANING AND INSPECTION.

WARNING

To avoid injury during operation, do

not repair fifth wheel plate if crack-

ed or bent, or if lock pins do not fit

tightly.

27. All parts.

Clean and inspect.

Refer to

paragraph 3-4

Text

If fifth wheel

is being rebuilt,

replace all cotter pins,

springs, nuts, bolts,

and washers.

28. Two cushions

(36).

Inspect for wear and damage.

Press out of item (38)

if worn or damaged.

Install new item (36) as

needed.

29. Bracket (38) and

plate (40).

Check sliding ability of

If item (38) does not

item (38) on item (40).

slide very well on item

(40), cut two items (39)

off item (40) and dis-

card damaged part(s).

Reassemble items (38)

and (40), and weld two

items (39) on item (40)

(see TB 9-237, Welding

Theory and Application).

C. ASSEMBLY.

NOTE

Lubricate all moving parts with grease

as they are assembled.

30. Plunger (35).

Install into item (38).

Make sure wedge part of

item (35) fits onto

wedge part of item (40).

31. Stop (41), spring

(42), and

Install on item (35).

retainer (43).

3-848