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 TM
9-2350-238-20-2
2-37. MAINTENANCE OF COMMANDER'S CUPOLA ASSEMBLY (CONT).
DISASSEMBLY
(CONT)
10 Remove lower cupola base retainer (26).
5 Remove headless grooved pin (17),
Remove 78 ball bearings (29) and 78
cupola cover door handle (18), headless
shoulder pin (19), and helical compres-
cupola ring ball bearings (30).
sion
spring
(20).
11 Remove hexagon plain nut (31), rigger's
6 Remove two machine screws (21),
two
cupola setscrew (32), setscrew (33), and
Iockwashers (22), and cupola ring
gun lock clamp assembly (34) from ma-
release handle retaining strap (23).
chine gun mount pintle (35).
7 Remove
four
socket
head
capscrews
(24) securing upper cupola retainer (25)
INSPECTION/REPAIR
and lower cupola base retainer (26)
together.
1 Check
for
broken,
damaged,
or
missing
parts.
8 Remove rigger's cupola assembly cupola
ring (27) and upper cupola retainer (25).
2 If rigger's cupola assembly cupola ring is
broken, damaged, or missing, repair is by
9 If
damaged, remove rigger's cupola hatch
replacement of next higher assembly.
crash cushioning pad (28) from rigger's
cupola
assembly
cupola
ring
(27).
Dis-
3 Repair
is
by
replacement
of
authorized
card rigger's
cupola
hatch
crash
cushion-
parts
(TM
9-2350-238-24P-2).
ing pad.
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