TM 9-1240-382-34
LOCATION
ITEM
REMARKS
ACTION
CLEANING
Clean dirt and grime from all threads
with lint-free cloth. Use a clean
Elbow
Eyepiece Assembly (4)
camel hair brush to remove dust, lint,
Assembly
Locking Ring (3)
or other particles from the lenses.
Image intensifier tube (6)
Remove oil or grease from optical
Elbow Assembly (7)
surfaces with a swab moistened in
and wipe the surfaces dry with lens
tissue.
INSPECTION/REPAIR
Inspect threaded components
(3, 4, 6, and 7) for damaged threads.
Elbow
Inspect packing (5) for serviceable
Assembly
Eyepiece Assembly (4)
condition. Check general condition of
Locking Ring (3)
image tube (6) and eyeshield (1).
Intensifier Tube (6)
Inspect optical components for
Elbow Assembly (7)
chips, cracks, or damage that may
Packing (5)
interfere with operation of periscope.
Image Intensifier
Repair is limited to replacement of
tube (6)
missing, defective,
or damaged
Eyeshield (1)
parts.
image intensifier tube, and insert
REASSEMBLY
CAUTION
intensifier tube (6) in the elbow (7).
Overtightening of set-
Coat packing (5) with a light coat of
Elbow
Intensifier tube (6)
grease MIL-G-4343 (App B)and
screws
will
damage
Assembly
Elbow Assembly (7)
insert packing in eyepiece assembly
adapter threads.
Packing (5)
(4). Install eyepiece assembly (4) on
Eyepiece Assembly (4)
elbow assembly (7) with index facing
Locking Ring (3)
the strike (8) and tighten locking ring
Setscrews (2)
(3) snugly by hand.
Tighten
Eyeshield (1)
setscrew (2). Install eyeshield (1).
Strike (8)
2-7