TM 5-6675-317-14
Table 4-1.
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
D - During
A -
After
ITEM
NO.
IN-
TER-
VA L
B
W - Weekly
M - Monthly
Q - Quarterly
AN - Annually
S
- Semiannually
BI
- Biennially
(Number)
- Hundreds of Hours
ITEM TO BE INSPECTED
PROCEDURE
ZOOM TRANSFER SCOPE - Cont
Inspect - Cont
1.
Check illuminator cords, power cord, and wiring
for defects, kinks, burns, and broken plugs.
2.
Check above-stage, below-stage, and table illu-
minators for working lights.
3.
Check illuminator selector switches for proper
operation.
Set illuminator selector switches to
STAGE, BOTH, and TABLE. In TABLE position, only
the table is illuminated; in STAGE position; only
the stage is illuminated; in BOTH position, table
and stage are illuminated.
4.
Check eyepieces, attachment lens, mirror, and map
lens for chips, cracks, dirt, dust, and finger-
prints.
Clean by carefully wiping with lens
tissue.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
Wiring is
defective.
Illuminators
are
inoperative.
Optics are
missing or
broken.
4-9
