TM 5-6675-328-14
Table 6-1. 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 TO BE INSPECTED
For Readiness
ITEM
IN-
Reporting,
NO.
TER-
Equipment Is
VAL
PROCEDURE
Not Ready/
Available If:
OPTICAL BENCH - Cont
2
B
Clean - Cont
2.
Wipe all surfaces of optical bench, pillar, and
carrier with oiled cheesecloth to remove dust, dirt,
or corrosion.
CAUTION
To prevent unnecessary wear to components, do
not clean optical bench with abrasive compounds
or metal polish.
3.
Wipe oil from surfaces of optical bench, pillar,
and carrier to avoid contaminating optical equipment.
6-8