TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 563 of 1207
TM 9-2320-361-20
7-19. REAR SPRING SEAT REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All
LO 9-2320-209-12-1
MATERIALS/PARTS
Twelve lockwashers
Gasket
Washer
Seal
Felt seal
WoodrufT key
Two bushing assemblies
GAA grease (Appendix C, Item 13)
Rags (Appendix C, Item 21)
TM 9-2320-361-10
TM 9-2320-361-20P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-261-10).
Forward-rear and rear-rear axle wheels removed
(para. 9-2).
GENERAL SAFETY INSTRUCTIONS
Ensure vehicle is firmly supported.
WARNING
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Ensure vehicle is firmly supported while spring seat is removed.
Injury to personnel can result.
NOTE
Right and left spring seats are replaced the same way. This
procedure covers the left side.
Support vehicle with two jack stands (5) at tandem axle bracket (4).
Raise axles (7) so that spring (1) is not resting against brackets (6).
Remove two screws (9) and lockwashers (10) from spring seat (23). Discard lockwashers (10).
Remove four nuts (12), lockwashers (11), two U-bolts (2), and saddle (3) from spring (1). Discard
lockwashers (11).
Raise and support rear-rear axle (7) until spring (1) is lifted offspring seat (23). Readjust jack
stands (8) under axle (7).
Remove six screws (19), lockwashers (20), pack cover (21), and gasket (22) from spring seat (23).
Discard lockwashers (20) and gasket (22).
Straighten washer (17) tabs.
Remove nut (18), washer (17), nut (16), outer bushing (15), and spring seat (23) from tandem axle
bracket (4) end. Discard washer (17).
Remove two bushing cups (14) and (28) from spring seat (23). Discard bushing cups (14) and (28).
Remove plug (13) from spring seat (23).
Remove inner bushing (29), seal (27), retainer (26), felt seal (25), washer (24), and woodruff key (30)
from tandem axle bracket (4) end. Do not bend washer (24) or retainer (26). Discard seal (27), felt
seal (25), and woodruff key (30).
b. Installation
I
1. Position new felt seal (25) on retainer (26).
2. Install two new bushing cups (14) and (28) in spring seat (23).
3. Apply a film of GAA grease to tandem axle bracket (4) end, new seal (27), spring seat (23), and inner
bushing (29).
7-44
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