TM-9-2320-272-24-2

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 159 of 991

TM 9-2320-272-24-2

3-284. DRIVER’S SEAT FRAME AND BASE MAINTENANCE (Contd)

5.

Install lower strut (4) and upper strut (1) on seat base (31) with four screws (30), new

lockwashers (29), and nuts (27).

6.

Position spring (33) on seat base (31).

7.

Install two brackets (36) on seat base (31) with four screws (35), new lockwashers (37), and nuts (34).

8.

Install shock absorber (18) on top frame (11) with screw (24) and nut (23).

9.

Install fixed end (28) of shock absorber (18) on seat base (31) with screw (24) and nut (23).

10.

Install adjusters (19) on top frame (11) with two washers (32), screws (20), four washers (25), and

new locknuts (26).

11.

Install seat frame (21) on adjusters (19) with four new locknuts (22).

FOLLOW-ON TASKS:

l

Install driver’s seat (para. 3-283).

l

Install driver’s seat cushion and backrest cushion (para. 3-285).

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