TM 9-2320-272-24-3
THIS TASK COVERS:
a. Disassembly
c. Assembly
b. Cleaning and Inspection
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
M936/A1/A2
TM 9-214
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic's tool kit (Appendix E, Item 1)
LO 9-2320-272-12
MATERIALS/PARTS
EQUIPMENT CONDITION
Two lockwashers (Appendix D, Item 377)
Parking brake set (TM 9-2320-272-10).
Two lockwashers (Appendix D, Item 354)
GENERAL SAFETY INSTRUCTIONS
Two felt washers (Appendix D, Item 112)
Keep fire extinguisher nearby when using
GAA grease (Appendix C, Item 28)
drycleaning solvent.
Lubricating oil (Appendix C, Item 50)
Drycleaning Solvent (Appendix C, Item 71)
Drycleaning solvent is flammable and toxic. Do
not use near open flame.
NOTE
Repair procedures for both side rollers are the same.
1.
NOTE
Assistant will help with steps 2 and 3.
2.
Remove shaft (5) from bracket (3) and roller (12).
3.
Remove roller (12), two thrust washers (9), and felt washers (10) from bracket (3). Discard felt
washers (10).
4.
Remove two bearings (11) from roller (12).
5.
Remove two screws (l), lockwashers (14), plate (2), and spacer (13) from bracket (3). Discard
lockwashers (14).
6.
Remove two grease fittings (4) from shaft (5).
WARNING
Drycleaning solvent is flammable and toxic. Do not use near
an open flame and always have a fire extinguisher nearby
when solvents are used. Use only in well-ventilated places, wear
protective clothing, and dispose of cleaning rags in approved
container. Failure to do this may result in injury to personnel
and/or damage to equipment.
1.
Clean all roller (12) and shaft (5) components in drycleaning solvent and allow to air-dry.
2.
Inspect shaft (5) for cracks and wear. Measure outer diameter at bearing (11) surfaces. If outer
diameter is less than 2.245 in. (57.02 mm) or cracked, replace shaft (5).
3.
Inspect two thrust washers (9) for cracks and wear. Measure thickness. If cracked, or thickness is
less than 0.055 in. (1.40 mm), replace thrust washer(s) (9).
4-884