5-6
TM 5-6675-316-14
Table 5-1.
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
W - Weekly
AN - Annually
(Number) . Hundreds of Hours
D - During
M - Monthly
s
- Semiannually
A - After
Q - Quarterly
BI
- Biennially
lTEM
NO,
1
B
ITEM TO BE INSPECTED
PROCEDURE
ZOOM STEREOSCOPE 240R - Cont
Inspect Stereoscope - Cont
2. Unlock interpupillary distance lock
by moving fully to right.
3. Move eyepiece tubes toward and away
from each other
4. Check for free movement.
5. Check that tubes remain in Position until
manually changed.
6.
Loosen lockscrew until adapter slide is
free to move.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
Eyepieces
frozen in
position.
