TM 5-6675-322-14
Table 9-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
W - Weekly
AN - Annually
D - During
M - Monthly
S
(Number) - Hundreds of Hours
- Semiannually
A - After
Q - Quarterly
BI - Biennially
ITEM
NO.
15
IN-
TER-
VAL
B
ITEM TO BE INSPECTED
PROCEDURE
SUPPORT ITEMS - Cont
Optical Tree Measurer - Cont
3.
Inspect instrument for missing screws and
cracked lenses.
4.
Observe target. Note visible scale in bottom.
half of view field does not move as instrument
i s i n c l i n e d .
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
Screws are
missing or
l e n s ( e s ) a re
cracked.
Unable to
see target.
V i s i b l e s c a le
moves as
instrument
i s i n c l i n e d.
9-26
