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 TM 9-2330-326-14&P
This Task Covers:
a. Removal
b. Installation
c. Follow-On Tasks
Initial Setup:
Tools and Special Tools:
Materials:
Tool kit, general mechanic's (Item 4, Appendix B-3)
Grease, GAA (Item 6, Appendix F)
Jack stands
References:
Equipment Conditions:
Semitrailer disconnected from prime mover
Appendix H-34
Axles supported by jack stands
Tires and wheels removed (para. 6-18)
Brake drum removed (para. 6-9)
Brake shoes removed (para. 6-8)
WARNING
Air brake chambers (all) must be caged before working on the
brake system to prevent serious injury to personnel and damage
to equipment. Wheels must be chocked.
The axle must be firmly supported to prevent shifting of the
semitrailer. Shifting may cause serious injury to personnel and
damage to equipment.
CAUTION
Clean and check all S-cam brake components for wear and
damage. Replace worn or damaged parts. At Triennial Service
replace all O-rings, bushings, retainers, snap rings, lockwashers,
and brackets on each axle end.
NOTE
There are four brake S-camshafts (two left and two right) and
they are removed and installed the same way. Right and left
does not mean left and/or right side. Left or right S-camshaft is
specific to S-camshaft rotation in operation (see Appendix
H-34). This procedure covers one brake S-camshaft.
S-camshafts and related parts are to lubricated in accordance
with Appendix C.
General Procedure:
a. Removal.
1.
Remove snap ring (7) and retaining ring (8) from S-camshaft (1). Discard retaining ring.
2.
Remove S-camshaft (1), washers (2), washers (3), washer (6), spacer (10), and washer (9) from
bushing retainer (4).
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