TM 9-2320-272-24-1
3-168. REAR AXLES SPRING SEAT WEAR PADS AND UPPER BRACKET MAINTENANCE
THIS TASK COVERS:
a. R e m o v a l
c. I n s t a l l a t i o n
b. I n s p e c t i o n
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-272-10
TM 9-2320-272-24P
Tools
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
Torque wrench (Appendix E, Item 145)
Parking brake ret (TM 9-2320-272-10)
Rear wheels removed (para. 3-220 or 3-221).
MATERIAL/PARTS
Four lockwashers (Appendix D, Item 363)
1.
Using hydraulic jack, raise vehicle at rear-rear axle differential housing (14) and place jack stands
under wheel hubs (5).
2.
Remove two nuts (16), washers (15), U-bolt (6), and U-bolt bracket (9) from spring brake chamber (13).
3.
Remove nut (10), lockwasher (11), two washers (2), screw (1), and spring brake chamber bracket (12)
from upper spring bracket (4). Discard lockwasher (11).
Remove two nuts (26), washers (25), U-bolt (21), and U-bolt bracket (22) from service brake
4.
chamber (20).
Remove nut (23), lockwasher (24), two washers (18), screw (17), and service brake chamber
5.
bracket (19) from upper spring bracket (4). Discard lockwasher (24).
6.
Remove two nuts (8), lockwashers (7), and screws (3) from upper spring bracket (4). Discard
lockwashers (7).
Place hydraulic jack under spring seat (31) and raise leaf spring assembly (32) until upper spring
7.
bracket (4) is clear of axle housing (28) and dowel pin (30).
8.
Slide upper spring bracket (4) from bottom leaf (29) and remove from leaf spring assembly (32).
9.
Remove spring seat wearpad (27) from upper spring bracket (4).
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