TM 5-6675-319-14
Table 7-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
3
—
I N-
TER-
VAL
—
B
lTEM TO BE INSPECTED
PROCEDURE
B - Before
W - Weekly
AN - Annually
(Number) - Hundreds of Hours
D - During
M - Monthly
S - Semiannually
A - After
Q - Quarterly
BI - Biennially
ITEM
NO.
PHOTOGRAMMETRIC RECTIFIER - Cont
Inspect and Service - Cont
2 5 . R o t a t e l o c k r i n g t o u n l o c k l e n s .
26.
Remove lens from adapter ring.
27.
Use watchmaker’s blower to remove dust from
l e n s .
CAUTION
Use only approved lens cleaning solution
to prevent damage to lens.
28. Apply a few drops of lens cleaner on lens
tissue and wipe glass very lightly.
2 9 . R o t a t e l o c k r i n g t o a l i n e i t s n o t c h e s w i t h t h o s e
in adapter ring.
Fur Reediness
Reporting,
Equipment Is
Not Readv/
Available If:
7-63
