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tended mission or operation. You must do the procedure at the
time stated in the interval column.
(5) Not Fully Mission Capable If: Column. Information in this
column tells you what faults will keep your equipment from being
capable of performing its primary mission. If you make check and
service procedures that show faults listed in this column, do not
operate the equipment. Follow standard operating procedures for
maintaining the equipment or reporting equipment failure.
NOTE
Damaged accessory items (sacrificial window, demist shield,
compass) do not cause the entire end item to be "not fully mis-
sion capable". However, the damaged item should be replaced
as soon as practical to restore full capability of the system.
D. Other Table Entries
Be sure to observe all special information and notes that appear
in your table.
TABLE 3.1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR
LOCATION
ITEM
INTER-
CHECK/
NO.
VAL
SERVICE
1
Before
Com-
pleteness
2
Before/
Sight
After
Body
3
Before/
Front
After
Lens Cap
4
Before/
Battery
After
Compart-
ment
5
Before/
Function
After
Switch
THE PS28.
PROCEDURE
Open carrying case and
check the inventory items
SIGHT
Inspect for missing screws
or connector cap.
Inspect for cuts, tears and
dirt. Clean as required.
Check for corrosion, thread
damage or dirt, cap and
battery adapter damaged
or missing. Check O-ring
for cuts or damage.
Check for operation (with-
out battery).
NOT FULLY
MISSION
CAPABLE IF:
Items missing
Screws or connec-
tor cap missing.
Cap torn or cut.
Cap, adapter or
O-ring damaged or
missing.
Switch inoperative.
Switch missing.
3-3
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