TM 9-2320-272-24-1
3-163. FRONT SPRING BUSHING MAINTENANCE
THIS TASK COVERS:
a. Inspection
c. Installation
b. Removal
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
LO 9-2320-272-12
All
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
MATERIALS/PARTS
Parking brake set (TM 9-2320-272-10).
Front wheels removed (para. 3-220 or 3-221).
Locknut (Appendix D, Item 285)
Bushing (Appendix D, Item 22)
Pin (Appendix D, Item 514)
1.
Insert prybar between spring hanger (1) and front spring shackle (3).
2.
Press down on front spring shackle (3). If movement is evident between front spring shackle (3) and
pin (2), perform task b.
1.
Raise frame (4) to remove load from spring (12) and support with jack stands.
2.
Remove locknut (7) and screw (8) from shackle (5). Discard locknut (7).
3.
Remove grease fitting (11) from pin (10).
4.
Remove pin (10) from shackle (5) and spring eye (13). Discard pin (10).
5.
Remove spring (12) from shackle (5).
6.
Remove bushing (6) from shackle (5). Discard bushing (6).
1.
Install new bushing (6) on shackle (5).
2.
Lower frame (4) until spring eye (13) is aligned with holes in shackle (5).
3.
Install new pin (10) in shackle (5) and spring eye (13). Make sure pin slot (9) is positioned
downward to allow installation of screw (8).
4.
Install grease fitting (11) in pin (10).
5.
Install screw (8) and new locknut (7) in shackle (5).
3-448