TM 9-2330-326-14&P
6-29
6-9. HUBS AND DRUMS REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
c. Follow-On Tasks
Initial Setup:
Tools and Special Tools:
References:
Tool kit, general mechanic’s (Item 4, Appendix B-3)
Appendix C
Shop equipment auto repair, FM basic (Item 3, Appendix B-3)
Appendix H-22
Torque wrench (Item 8, Appendix B-3)
Appendix H-25
Floor jacks
Appendix H-26
Jack stands
Appendix H-27
Appendix H-28
Equipment Conditions:
Appendix H-30
Landing legs down
Appendix 31
Semitrailer disconnected from prime mover
Appendix H-35
Tires and wheels removed (para. 6-18)
Tires chocked
Ground boards emplaced
WARNING
•
Jack must be positioned directly under axle to prevent
slippage. Direct all personnel to stay clear of vehicle when
vehicle is supported in the air. Failure to do so could result
in serious injury and damage to equipment.
•
To prevent shifting of trailer, floor jack should be used only
on a hard, level surface. Use ground boards (Para-
graph 6-24), if necessary. Chock tires.
NOTE
•
ABS tone ring is part of hub assembly not a separate item of
supply.
•
There are four sets of hub and drums on the M871A3
Semitrailer.
This
procedure
removes
and
installs
one
complete set.
•
Repair, Turning, and Final Disposition of Drums are Direct
Support tasks.
•
Brake drums may be re-bored at Direct Support. Reference
Appendix H-25.
•
For detailed procedures and/or information see referenced
“H” Sections.