TM 9-1240-382-34
LOCATION
ITEM
REMARKS
ACTION
DISASSEMBLY
Eyepiece
Loosen the two setscrews (1)
Body
Assembly
remove index (2).
Loosen
Assembly
three setscrews (3) and
remove scale (4).
Loosen
Setscrew (1)
setscrew (5) and use spanner
Index (2)
Setscrew (3)
remove locking ring (6).
Scale (4)
Remove adapter (7) from cell
Setscrew (5)
assembly (8)
Locking Ring (6)
Adapter (7)
Cell Assembly (8)
Hold the body assembly with
CLEANING
the opening for the Eyepiece
assembly facing downward
Eyepiece
and thoroughly clean the
Body
Assembly
groove in the body assembly.
Assembly
Clean all traces of sealing
compound from the cell. Use
a
cotton
swab
and
remove
any
sealing
compound particles that may
have fallen on the prism.
Clean dirt and grime from all
threads.
Inspect
all
parts
for
Inspect
INSPECTION/REPAIR
threaded components for
burrs, cross- threading, and
Eyepiece
cracks.
Check cell for
Body
Assembly
damage that would affect the
Assembly
optical performance of the
periscope. Repair is limited to
replacement
of
missing,
defective, or damaged parts.
REASSEMBLY
Eyepiece
Install adapter (1) on cell
Body
Assembly
assembly (2). Install locking
Assembly
ring (3) and secure with set
Adapter (1)
screw (4). Install scale (5)
Cell Assembly (2)
and secure but do not tighten
Locking Ring (3)
three setscrews (6). Install
Setscrew (4)
index (7) and secure with two
Scale (5)
setscrews (8).
Setscrew (6)
'Index (7)
Setscrew (8)
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