TM 5-6675-322- 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
ITEM
NO.
2
IN-
TER-
VAL
B
ITEM TO BE INSPECTED
PROCEDURE
LENS-PRISM-MIRROR STEREOSCOPE - Cont
Clean Stereoscope - Cont
1.
Blow dirt and dust from optical surface with
watchmaker’s blower.
2.
Moisten lens tissue with optical lens cleaner, and
wipe one optical surface with circular motion from
center toward edges.
D i s c a r d t i s s u e.
3.
Dry optical surface by wiping with clean lens
tissue using circular motion from center toward
edges.
Discard tissue .
4.
Repeat procedure on each remaining optical surface
and two mirrors.
5.
Turn leg adjustment knurled sleeve to full right,
t h e n t o f u l l l e f t , t o c l e a r t h r e a d s .
For Readiness
Reporting,
Equipment is
Not Ready/
Available If:
5-8
