TM 9-2320-280-20-3
11-158
Change 2
11-113. TURRET BEARING MAINTENANCE
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-280-24P
Equipment Condition
Weapon station tray and bearing seals removed
(para. 11-112).
General Safety Instructions
• Drycleaning solvent is flammable and will not be
used near an open flame. A fire extinguisher will
be kept nearby when the solvent is used. Use only
in well-ventilated places.
• Compressed air used for cleaning purposes will
not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective
equipment (goggles/shield, gloves, etc.).
This task covers:
a. Removal
c. Installation
b. Cleaning and Inspection
d. Adjustment
1.
Remove twelve locknuts (4), washers (5), and capscrews (2) from roof retainers (1), bearing assembly
(3), and support ring (6). Discard locknuts (4).
2.
Remove twelve roof retainers (1) and bearing assembly (3) from support ring (6).
a. Removal
INITIAL SETUP:
Applicable Models
All vehicles except: M996, M996A1, M997,
M997A1, M997A2, M998, M998A1, M1035,
M1035A1, M1035A2, M1037, M1038,
M1038A1, M1042, M1097, M1097A1,
M1097A2, M1123
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Drycleaning solvent (Appendix C, Item 18)
Sealant (Appendix C, Item 38)
Detergent (Appendix C, Item 17)
Two turret bearing seals
(Appendix D, Fig. D-90)
Twelve locknuts (Appendix G, Item 128)
Seal (Appendix G, Item 285)
WARNING
Drycleaning solvent is flammable and will not be used near an open
flame. A fire extinguisher will be kept nearby when the solvent is
used. Use only in well-ventilated places. Failure to do this will result
in injury to personnel and/or damage to equipment.
NOTE
Drycleaning solvent may be used to assist in loosening the sealant
during removal.