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 ARMY
TM 9-6650-235-13&P
MARINE CORPS
TM-08552A-13&P
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (CONT)
B--Before Operation
D--During Operation
A--After Operation
Interval
ITEM TO BE INSPECTED
Equipment
Item
Is not Ready/Available
No.
B
D
A
PROCEDURE
If:
c. On late configuration, check
Power switch is broken.
that power switch (5) is
operable.
4
OBJECTIVE TUBE ASSEMBLY
a. Inspect for broken electrical
Electrical contacts are
contacts.
broken.
b. Check that optical instrument
Optical instrument lens is
lens (1) is not damaged.
damaged.
c. Inspect all connecting parts
for ease of assembly. Check
for burrs on mating surfaces.
Remove burrs with abrasive
cloth (item 3, app D) or fine
sandpaper (item 9, app D).
2-6
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