TM-9-2330-326-14-P
SEMITRAILER, TACTICAL, DROP DECK BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, M871A3
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
FEBRUARY 2006
TM-9-2330-326-14-P - Page 95 of 540
TM 9-2330-326-14&P
6-19
6-7. SERVICE BRAKES—S-CAMSHAFT REPLACEMENT.
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:
Appendix C
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).
Back to Top
