TM 9-2320-272-24-1
3-184. REAR BRAKE SPIDER REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272-10
All
TM 9-2320-272-24P
TOOLS
EQUIPMENT CONDlTlON
General mechanic's tool kit (Appendix E, Item 1)
Brakeshoes removed (para. 3-180).
Torque wrench (Appendix E, Item 144)
Service brake chamber removed (para. 3-181).
MATERIAL/PARTS
Combination spring (emergency) and service brake
Two lockwashers (Appendix D, Item 365)
chamber removed (para. 3-182).
Gasket sealant (Appendix C, Item 30)
All rear brake spiders are replaced basically the same. This
procedure covers right forward-rear axle.
a. Removal
1.
Remove eight nuts (l), washers (2), screws (5), and washers (2) from brake spider (4).
2.
Remove two screws (3) and washers (2) from inner side of rear axle housing flange (11).
3.
Remove brake spider (4) from axle housing assembly (10).
4.
Remove two nuts (9), lockwashers (8), screws (6), and clips (7) from brake spider (4). Discard
lockwashers (8).
Failure to tighten nuts in proper sequence can crack brake spider.
1.
Install two clips (7) on brake spider (4) with screws (6), new lockwashers (8), and nuts (9).
2.
Apply gasket sealant on rear axle housing (10) and brake spider (4) mating surfaces.
Assistant will help with step 3.
3.
Position threaded holes 3 and 4 of brake spider (4) on axle housing mating surface at 3 and 9 o'clock
positions, and install two washers (2) and screws (3) through back of flange (11) into threaded holes 3
and 4 of brake spider (4).
4.
Install eight washers (2), screws (5), washers (2), and nuts (1) through brake spider (4) and
flange (11). Tighten nuts (1) 110-145 lb-ft (149-196 Nm) in sequence shown.
3-510
