TM 9-2320-260-20
I
I
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
All
Z Parking brake set (TM 9-2320-260-10).
Rear frame raised and supported (para. 9-2).
MATERIALS/PARTS
GENERAL SAFETY INSTRUCTIONS
Fourteen lockwashers
Personnel must stand clear of vehicle when
Two bushings
raising the axle.
REFERENCES (TM)
q Ensure vehicle is firmly supported while spring is
TM 9-2320-260-10
removed or installed.
TM 9-2320-260-20P
NOTE
Rear leaf springs are replaced basically the same for all models.
This procedure covers the M812A1.
1. Remove two screws (12) and lockwashers (13) from spring seat (16). Discard lockwashers (13).
WARNING
Raising the axle while the rear frame is raised and supported may
cause the load to shift. Never perform this procedure on both sides
of the vehicle at the same time. A shifting load may cause injury to
personnel.
NOTE
Perform step 2 on the forward-rear axle. Perform step 2 again on
the rear-rear axle.
2. Remove four nuts (9), lockwashers (10), screws (4), bracket (5), and torque rod mounting bracket (11)
from each axle (8). Lower supported axle (8). Discard lockwashers (10).
3. Remove four nuts (14) and lockwashers (15) from two U-bolts (3). Discard lockwashers (15).
4. Remove two U-bolts (3) and spring saddle (2) from spring (1).
5. Remove two leaf spring mounting brackets (6) from spring (1).
WARNING
Ensure vehicle is firmly supported while spring is removed.
Failure to do so may result in injury to personnel.
NOTE
Assistant will help with step 6.
6. Remove spring (1) from spring seat (16).
7. Remove bushing (7) from each leaf spring mounting bracket (6). Discard bushings (7).
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