TM-9-2320-361-20

TM 9-2320-361-20

7-19. REAR SPRING SEAT REPLACEMENT (Contd)

10.

11.

12.

13.

14.

Install washer (24), new felt seal (25), retainer (26), new seal (27), inner bushing (29), and new

woodruff key (30) over tandem axle bracket (4) end.

Place spring seat (23) over inner bushing (29).

Apply a film of GAA grease to outer bushing (15) and end of tandem axle bracket (4) and install in

spring seat (23) with nut (16). Tighten nut (16) 60 lb-ft (81 NŽm). Back off nut (16) about 1/4 turn.

Install new washer (17) and nut (18) on tandem axle bracket (4) end. Tighten nut (18) 100-150 lb-ft

(136-203 NŽm). Bend washer (17) tabs against nut (18).

Apply light film of GAA grease to both sides of gasket (22).

Install gasket (22) and pack cover (21) on spring seat (23) with six new lockwashers (20) and

screws (19). Tighten screws (19) 16-20 lb-ft (22-27 NŽm). Wipe away excess grease with rag.

Raise rear-rear axle (7) with hydraulic jack, adjust jackstands (8), and lower axle (7) onto spring

seat (23). Position center bolt (31) in recess of spring seat (23).

Install plug (13) on spring seat (23).

Position saddle (3) over spring center bolt (31) and install with two U-bolts (2), four new

lockwashers (11), and nuts (12). Tighten nuts (12) 190-220 lb-ft (258-298 NŽm).

Install two new lockwashers (10) and screws (9) in spring seat (23). Tighten screws (9) 280-365 lb-ft

(380-495 NŽm).

Raise vehicle and remove jack stand (5). Lower and remove hydraulic jack.

FOLLOW-ON TASKS:

Install rear-rear axle and forward-rear axle wheels (para. 9-2).

Lubricate spring seat (LO 9-2320-209-12-1).

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