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 TM 9-4931-583-30&P
(h) Remove screw (67) and separate clevis
(a) Position mounting ring (28) on shelf
base (78) from clevis (68).
(30) and fasten with four screws (27), washers (26),
and nuts (24).
NOTE
(b) Attach clevis (34) to bolt (33) using
bolt (31), washer (25), and nut (24).
Lower bolt (85) has left-hand threads.
(c) Install jam nut (29) on bolt.
(d) Insert bolt through Slot in corner of
(i) Screw bolt (85) from lower end of post
(90).
shelf (30) and fasten with another jam nut.
(e) Install clevis on other three corners of
(j) Remove nut (86), washer (87) and
shelf following steps (b), (c), and (d) above.
remove clevis (88) from shelf assembly (93).
(3) Shelf assembly, gunner. Refer to figure
(k) Remove four nuts (59), washers (62),
C-10 for breakdown and parts identification
and screws (91) and remove mounting ring (92)
numbers.
from shelf assembly.
(a) Position mounting ring (92) on shelf
d. Inspection. Inspect each part for the
assembly (93) and fasten with four screws, (91),
following:
washers (62), and nuts (59).
(1) Warped or bent.
(b) Insert clevis (88) through shelf
assembly and fasten with washer (87) and nut (86).
(2) Damage.
(c) Thread bolt (89) through jam nut (58)
(3) Loose or worn bushings.
and into post (90).
(4) Threaded items for thread damage.
(d) Attach clevis base (78) to clevis (79)
using screw (67).
(5) Cleanliness. Clean, if required, per
NOTE
e. A s s e m b l y .
Lower bolt (85) and lower end of post (90)
have left-hand threads.
(1) TSU-GSE boresight alignment device
assembly. Refer to figure C-10 for breakdown and
(e) Thread bolt (85) into lower end of post.
parts identification numbers.
(90).
(a) Attach knob (6) and cable to block assem-
(f) Fasten clevis (68) to bolt (85) using screw
bly with washer (8) and screw (7).
(60), washer (61), and nut (59).
(b) Thread knob (2) into block assembly.
(g) Attach quick release pin (56) to cable
(57).
(c) Install washer (4) on pin (3).
(h) Fasten eye bolt (89) to clevis (88) with
(d) Install plate on pin (3) and knob (2).
quick release pin (56).
(e) Install pin (1) in knob (2) to hold plate on
(i) Connect Clevis (63) to bolt (66) using
screw.
screw (60), washer (61), and nut (59).
(2) Shelf assembly pilot. Refer to figure
(j) Install one jam nut (58) on bolt (66).
C-10 for breakdown and parts identification
Insert bolt through slot in shelf assembly. Fasten
numbers.
with jam nut (58).
3-9
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