TM-9-2320-273-34

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 632 of 801

TM9-2320-273-34

Section Il. M916 AND M920 FIFTH WHEEL

17-5. Removal.

(Refer to TM 9-2320-273-20.)

17-6. Disassembly (fig. 17-4).

a.

b.

c.

d.

e.

f.

g.

h.

Remove two cotter pins (2).

Remove two castellated nuts (26).

Tap out two bolts (8).

Remove fifth wheel plate (7) from brackets.

Place locks in closed position.

Remove bolt (3), two washers (6), and nut (24).

NOTE

It is necessary to bend the forward release

handle (4) in order to remove it from re-

lease lever (5) in step g.

Remove release lever (5), and forward release handle (4).

Remove cotter pin (10), Iockpin (13), secondary lock arm (12), spring (14), cotter pin (29),

and rear release handle (11).

i.

Remove cotter pin (28), hinged Iockpin (15), hinged lock (16).

i.

Remove plunger (22), and spring (23).

k.

Remove jam nut (25), stationary lock (17), and U-spring (27).

/.

Remove capscrew (18), locknut (21), adjusting wedge (20), and spring (19).

m.

Check to see that grease fittings (9) take grease. Replace if necessary.

17-7. Inspection.

Inspect all parts for cracks or deformity.

17-8. Repair or Replacement.

a.

Replace any component that is cracked or deformed.

b.

Replace all cotter pins, springs, nuts, bolts and washers during rebuild of the fifth wheel.

c.

Lubricate all moving parts to be installed. (Refer to LO 9-2320-273-12.)

17-5