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TM 9-2330-398-24
Section III. REAR AXLE MAINTENANCE
Paragraph
Page
Number
Paragraph Title
Number
3-8
General ................................................................................................................................................ 3-30
3-9
Axle Replacement ............................................................................................................................... 3-30
3-10
Bogie Assembly Replacement............................................................................................................. 3-32
3-8. GENERAL.
This section describes and illustrates removal and installation procedures for the rear axle and bogie assemblies.
3-9. AXLE REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
• Air reservoirs drained (refer to TM 9-2330-398-10).
• Common No. 1 tool set (Item 1, Appendix B)
•· Tire and wheel assemblies removed (para 2-62).
•· General mechanic's tool kit (Item 4, Appendix B)
• Hub and brakedrum assemblies removed (para 2-63).
• Lifting device (Item 6, Appendix B)
•· Brake air chambers removed (para 2-51).
•· Semitrailer bonded and grounded (refer to
Equipment Conditions: TM 9-2330-398-10).
•· Semitrailer parked on hard level surface
(refer to TM 9-2330-398-10).
Personnel Required: Two
•· Semitrailer uncoupled (refer to TM 9-2330-398-10).
a.
REMOVAL
1. Using lifting device, raise rear of semitrailer until weight of both suspension springs (4) has been removed from
axle (5). Support or crib semitrailer frame securely.
2. Position and raise two jacks to support axle (5). Remove supports or cribbing from under axle (5).
3. Remove four nuts (7), washers (8), and screws (1) from spring end cap (11) and spring seat (9) on axle (5).
4. Remove four nuts (2), eight washers (3), and two U-bolts (6) from spring seat (9) and spring end cap (11) on axle
(5).
5. Remove spring seats (9) and two cushioning pads (10) from axle (5).
6. Repeat steps 3 through 5 for other side of axle (5).
7. Using jacks, slowly lower and remove axle (5) from under semitrailer.
3-30
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