TM 9-2350-256-20-2
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18. Remove lubrication fitting (59), three flat washers (60), and two retaining rings (61).
19. Drive out pin (62) and remove latch (56) from cupola door (4).
Assembly
1.
Insert trigger rod (55) through spring (58), washer (57), and cupola door (4).
2.
Install latch (56) to cupola door (4) with pin (62).
3.
Install lubrication fitting (59), three flat washers (60), and two retaining rings (61).
4.
Attach trigger rod (55) to latch (56) with pin (54).
5.
Install jamnut (52).
6.
Install rod end connector (53) and tighten jamnut (52).
7.
Install plug (49) and latch spring (50) with two screws (51).
8.
Install inside latch (47) to cupola door (4) with spring pin (48).
NOTE
Early design models also use jacking screw (42).
9.
Install six direct vision blocks (43) and six prism lock wedges (46). Apply sealing compound. Secure with two screws (45).
Secure screws with lockwire (44).
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