TM 9-1240-401-34&P
5-23. ADAPTER ASSEMBLY MAINTENANCE INSTRUCTIONS - continued
a. Removal/Disassembly - continued
23
Remove two machine screws (46) and plate (47).
24
Remove two machine screws (48) and plate (49).
25
Remove headless shoulder pin (41) and plug (50).
26
Remove window (51) by pressing gently from
backside of adapter assembly (10).
27
Remove window (52) and mask (53). Remove index
(54) by pressing gently from backside of adapter
assembly (10).
b. Repair
1
Remove corrosion, grease, and dirt from all parts.
Refer to TM 9-254 for cleaning instructions.
2
Visually inspect for missing or damaged parts.
3
Repair or replace parts in accordance with
authorized parts listed in appendix D.
c. Assembly/lnstallation
If removed, stake index (54) to adapter assembly
1
(10).
Install mask (53) on adapter assembly (10) and
2
stake in six places.
Apply sealing compound to edge of windows (52
3
and 51).
Install windows (52 and 51). Remove excess sealing
4
compound.
Install plate (47) on adapter assembly (10) and
5
secure with two machine screws (46).
Install plate (49) on adapter assembly (10) and
6
secure with two machine screws (48).
Install plug (50) and headless shoulder pin (41).
7
Change 1
5-42
