TM-9-2320-272-24-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 348 of 799

TM 9-2320-272-24-3

4-116. UPPER AND LOWER STEERING COLUMN MAINTENANCE (Contd)

1.

Install U-joint (8) on steering gear input shaft (5) with screw (4), new lockwasher (2), and nut (1).

2.

Install two clamp bushings (7) on upper steering column (8).

NOTE

Position horn contact brush next to firewall.

3.

Lower upper steering column (8) through hole in floorboard (20) and insert splined end of upper

steering column (8) into universal joint (16).

4.

Install upper steering column (8) on universal joint (10) with screw (17), new lockwasher (15), and

nut (14). Do not tighten nut (14).

NOTE

If installing a new steering column, mark clamp position on new

column the same an on on old column.

5.

Install upper steering column (8) on instrument panel (6) with upper support clamp (9) and two

screws (10). Ensure clamp (9) is positioned over clamp bushing (7) at marked position.

6.

Attach upper steering column (8) to firewall (18) with lower mounting clamp (11), two washers (18),

screws (12), and new locknuts (19).

7.

Tighten nut (14) 28-34 lb-ft (38-46 N•m),

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