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 TM 55-1905-223-24-18-2
d. Direct window.
(1) Remove two machine screws (19).
(2) Separate terminal board (18) from support (14).
(3) Position terminal board clear of inner optical block (13).
(4) Unscrew and remove barrel (12) from inner optical block (13).
(5) Remove barrel lens (11) lens retainer (10) window support (9) and preformed packing (8).
(6) Remove alignment spacer (21).
(7) Remove preformed packing (6).
(8) Remove direct window (4).
e. Bushings.
(1) Remove roll pin (22).
(2) Remove bushing (23),
(3) Remove preformed packing (24).
REPAIR
Repair of sensor manifold assembly consists of replacement of defective parts.
REPLACEMENT
a. Position sensor manifold on a clean flat surface.
b. Bushings.
(1) Install preformed packing (24) into housing (20).
(2) Install bushing (23).
(3) Install roll pin (22) into bushing (23).
c. Direct window.
(1) Install direct window (4) into inner optical block (13).
(2) Install preformed packing (6).
(3) Install alignment spacer (21).
(4) Install preformed packing (8) window support (9) lens retainer (10) and barrel lens (11).
4-45
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