TM 5-6675-319.14
Table 7-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B-
D-
A-
ITEM
NO.
3
Before
W - Weekly
AN - Annually
(Number) - Hundreds of Hours
During
M - Monthly
S - Semiannually
After
—
IN-
TER-
VAL
—
B
Q - Quarterly
BI - Biennially
ITEM TO BE INSPECTED
PROCEDURE
PHOTOGRAMMETRIC RECTIFIER - Cont
Inspect and Service - Cont
19. Turn spring-loaded mask retainers so they
permit stage mask to be lowered and removed.
20. Clean lower surface of stage plate with lens
tissue and lens cleaner.
21.
Reinstall stage mask so that fiducial lines
are in center of cutouts.
22.
Rotate mask retainers so that they hold mask
against stage plate.
23. Reconnect the bellows.
For Raacfiness
Reporting,
Equipment h
Not Ready/
Available If:
Stage plate
cracked.
7-51
