Adjustment
TM 9-2320-280-20-3
12-116. TROOP/CARGO WINTERIZATION DOOR ADJUSTMENT
This task covers:
Adjustment
INITIAL SETUP:
Applicable Models
Personnel Required
M998, M998A1, M1038, M1038A1
One mechanic
One assistant
Tools
General mechanics tool kit
Manual References
automotive (Appendix B, Item 1)
TM 9-2320-280-10
Materials/Parts
Eight locknuts (Appendix G, Item 97)
TM 9-2320-280-24P
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
NOTE
Adjustment of door and frame assembly may be required if
door is not centered or binds during opening or closing.
Ensure door has an equal distance around frame assembly
in both vertical and horizontal directions.
For vertical or horizontal door adjustment, perform step 1.
For lateral door adjustment, perform steps 2 and 3.
For dome light on/off adjustment, perform steps 4 through 10.
Loosen eight nuts (14) and capscrews (11) from two hinges (2) and frame assembly (3) and lift
or lower door (1) as required. Tighten nuts (14) to 85-90 lb-ft (115-122 Nm).
Remove eight locknuts (13) from door (1) and two hinges (2). Discard locknuts (13).
Add or remove shims (12) from door (1), as required. Install and tighten locknuts (13) to 50-55 lb-ft
(68-75 Nm).
Place dome light switch in "DOME LIGHT" position (TM 9-2320-280-10).
With door (1) in open position loosen upper jamnut (6) and lower jamnut (7) to maximum outward
position on control rod (8).
Close and fasten door (1).
Align rod (10) of actuator light control (9) with center of control arm (5) on door switch assembly (4).
Engage control arm (5) by adjusting lower jamnut (7) upward on control arm (5) and actuator light
control (9) until dome lights are on.
Adjust lower jamnut (7) 0.25 in. (6.4 mm) beyond initial adjustment made in step 8.
Adjust upper jamnut (6) on control rod (8) down on actuator light control (9) and tighten jamnut (6).
12-170
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