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TM 9-2350-287-20-2
15-22. TOP MIDDLE DOOR REPAIR
This Task Covers:
a. Removal
b. Disassembly
c. Cleaning and Inspection
d. Assembly
e. Installation
f.
Adjustment
Initial Setup:
Tools/Test Equipment:
Seal (2) (Item 273, Appendix H)
Endless sling (Item 20, Appendix I)
Seal (4) (Item 281, Appendix H)
Five-ton hoist (Item 23, Appendix I)
Seal (2) (Item 284, Appendix H)
General mechanic's tool kit (Item 24,
Seal (2) (Item 285, Appendix H)
Appendix I)
Self-locking nut (2) (Item 327, Appendix H)
Self-locking nut (2) (Item 328, Appendix H)
Materials/Parts:
Adhesive, rubber (Item 5, Appendix D)
Personnel Required: Two
Dry-cleaning solvent (Item 28, Appendix D)
Rag (Item 56, Appendix D)
Equipment Conditions:
Lockwasher (18) (Item 162, Appendix H)
Vehicle parked on level ground (refer to
Lockwasher (24) (Item 164, Appendix H)
TM 9-2350-287-10).
Lockwasher (3) (Item 165, Appendix H)
Top middle door latches released
Lockwasher (2) (Item 168, Appendix H)
(refer to TM 9-2350-287-10).
a.
REMOVAL
1.
Remove two screws (27), lockwashers (26), a nd washers (25) and spacer plate (24) from hull. Discard
lockwashers.
WARNING
Top middle door is very heavy. Two persons are required to open or close the
door. Failure to follow this warning can result in injury to personnel.
2.
With an assistant, open top middle door (9) until it is perpendicular to vehicle.
3.
Attach endless sling to lifting lug (10) and five-ton hoist, and take up slack.
4.
Remove four screws (17), lockwashers (18), and washers (19) from anchor (20) and vehicle. Remove anchor (20)
and shield (16) from hinge (15). Discard lockwashers.
5.
Remove 12 leaf springs (8) from hinge (15).
WARNING
With leaf springs removed, top middle door is no longer spring-balanced. Door can
close suddenly, causing severe injury to personnel.
6.
Using hoist and sling, close top middle door (9).
Change 1 15-46
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