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 620 of 801

TM9-2320-273-34

Section IV. UPPER STEERING COLUMN

16-16. Removal.

a.

Remove steering wheel and horn button. (Refer to TM 9-2320-273-20.)

b.

M915, M916, M917 and M920. Remove the trailer hand brake valve. (Refer to TM 9-2320-273-

20.)

c.

Remove turn signal control. (Refer to TM 9-2320-273-20.)

d.

Unfasten two screws (4, figure 16-7) and washers (3) from horn brush cover (5). Remove cover.

Unfasten two screws (7) and washers (8) which retain horn brush (6) to upper steering column

housing (10) and remove horn brush (6) and terminal (9).

t

Disconnect the upper steering shaft (2) from the U-joint connection to the lower steering shaft.

(Refer to TM9-2320:273-20).

9.

Remove six screws (20) and washers (21 ) from steering column clamp (22) and rubber insulator

(23), then remove the upper steering column from the vehicle cab.

16-17. Disassembly.

a.

Install nut (1, figure 16-7) onto upper steering shaft (2).

b.

lnsert nut (1) and upper steering shaft (2) into a large socket to protect the horn wire.

c.

Place socket with nut (1) and upper steering shaft (2) on the floor.

d.

With a suitable tool, push down on retaining ring cage (19) and remove retaining ring (18),

retaining ring cage (19), spring (17), flat washer (16), and sleeve spacer (15) from upper steering shaft (2).

e.

Drive out ball bearing (14) from upper steering column housing (10).

f.

Place other end of upper steering shaft (2) on the floor and drive out ball bearing (13) with

upper steering shaft (2).

9.

Bend out tang of sleeve spacer (11).

h.

Remove sleeve spacer (11 ), nut (1), sleeve spacer (12) and ball bearing (13) from upper steering

shaft (2).

16-15