Section I. GENERAL
nature of unserviceability, (3) to determine
the work, repair parts, and supplies required
This chapter sets forth inspection of peri-
scope XM48 in the using position and in
to return the materiel to serviceability, (4) to
ensure that work in process is being perform-
ed properly, and (5) to ensure that completed
work complies fully with serviceability stan-
Inspection is performed primarily, (1) to
INSPECTION IN THE USING POSITION
b. Check the exterior of the periscope for
dented surfaces, bent, broken or missing
In general, the periscope will be considered
catches or other parts, moisture or corrosion,
serviceable if it is complete and all deficien-
and other evidence of damage or misuse which
cies have been corrected ensuring operation in
might indicate a need for repair.
accordance with serviceability standards.
c. Inspect the sealed areas around housing
10513565, lens 6650-904-4570, prism 1240-
3-4. Using Position
907-6.512, plug 8620049, metal junctions, and
Inspection in the using position refers to
all visible external screws.
the inspection performed by maintenance per-
sonnel when the periscope is mounted on the
XM551 vehicle, Inspection of periscope re-
e. Inspect for bare spots or damaged finish
moved from the end item is set forth in para-
which expose metal surfaces and lead to cor-
f. Inspect the two catches on the body assem-
3-5. Modification Work Orders (MWO)
bly to make sure they operate smoothly with-
All applicable modification work orders
out binding or rough motion, and that they
will be applied. DA Pamphlet 310-4 contains
properly engage the head assembly.
the MWO index and equipment records DA
g. Check the valve assembly to ensure that
Form 2408-5 or DA Form 2409 list MWO's
the valve cap is on and tight and that the
stem is not bent.
h. Make sure the equipment is free from
3-6. General Inspection
dirt and grit.
a. Note the general appearance of the peri-
i. Refer to the Basic Issue Items List in
scope to determine the type of treatment it
of repair parts, tools, and equipment.