ARMY TM 9-1240-379-34
MARINE CORPS TM 04332A-34
Remove four machine screws (29) and
spring pin (30), only if necessary for
Inspect optical components for chips,
Clean all traces of sealing compound
cracks, or damage that may interfere
with operation of the tank periscope.
Clean optical surfaces in accordance
Check threaded components for
w i t h TM 9-254.
Replace any damaged, broken, or miss-
Check general condition of image
ing parts. See TM 9-1240-379-34P.
The eyepiece assembly is a repairable
Check that valve core is free of
Inspect valve cap strap for tears.