CHAPTER 3
INSPECTION
Section I. GENERAL
Inspection is performed primarily, (1) to determine
completeness, (2) to determine the nature of
3-1.
Scope
unserviceability,. (3) to determine the work, repair parts,
and supplies required to return the materiel to
This chapter sets forth inspection of periscope
serviceability, (4) to ensure that work in process is being
XM47 in the using position and in maintenance shops.
performed properly, and (5) to ensure that completed
work complies fully with serviceability standards.
3-2.
Purpose
Section II. INSPECTION IN THE USING POSITION
c. Inspect all sealed portions of the materiel to
3-3.
General
determine whether sealing is complete.
In general, periscope XM47 will be considered
d.
Inspect identification plate for legibility.
serviceable if it is complete and all deficiencies have
been corrected ensuring operation in accordance with
e. Inspect for bare spots or damaged' finish
serviceability standards.
which expose metal surfaces and lead to corrosion.
3-4.
Using Position
f.
The two catches on the body assembly
must operate smoothly without binding or rough motion
Inspection in the using position refers to the
and must properly engage the strikes on the mount
inspection performed by maintenance personnel when
assembly.
periscope is mounted in position on the XM551 vehicle.
Inspection of periscope removed from the end item is set
g. The equipment must be clean and free from
forth in paragraphs 3-8 through 3-11.
dirt and grit.
3-5.
Modification Work Orders (MWO)
h. Refer to the Basic Issue Items List in TM 9-
2350-230-12 and check for completeness of repair parts,
All applicable modification work orders will be
tools, and equipment.
applied. DA Pamphlet 310-4 contains the MWO index
and equipment records DA Form 2408-5 or DA Form
3-7.
Inspection of Optical Components
2409 list MWO's applied.
a. The prism on the body assembly must be
3-6.
General Inspection
free from scratches, pits, dirt, and chips that will interfere
with or affect the optical performance of the instrument.
a. Note general appearance as an indication
of the condition of the materiel and the type of treatment
b. When sighting through the instrument, the
it has received.
field-of-view must be clear with no signs of fogging.
b. Check exterior of materiel and accessible
parts for dented surfaces, bent or broken parts, missing
parts, moisture or corrosion, and other evidence of
damage or misuse which might indicate a need for
repair.
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