TM 5-6675-325-14
Table 3-1. OPERATOR PEVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
w - weekly
AN . Annually
D - During
(Number) - Hundreds of Hours
M - Monthly
s
- Semiannually
A - After
Q - Quarterly
BI
- Biennially
2
B
ITEM TO BE INSPECTED
PROCEDURE
MICROFICHE READER-PRINTER - Cont
Clean-Cont
9. Hold supplemental lens assembly vertical and,
with other hand, insert enlarging lens through
opening into yoke of lens housing. Make sure
keys of assembly seat correctly with Slots of
yoke.
10. Carefully lower supplemental lens assembly to
original position.
11. Clean upper surface of supplemental 1 ens assembly
with lens cleaner and lens tissue.
12. Carefully wipe surface of top secondary mirror
with lens tissue moistened with lens cleaner.
13. Carefully wipe surface of main viewing mirror
with lens tissue moistened with lens cleaner.
14. Reinstall viewing screen. First insert upper edge
of viewing screen into upper part of hood. Then
swing lower part of viewing screen inward until
it falls into lower slot.
15. Move enlarging lens selector lever to full right
or full left position to place lens into optical
path.
16. Open left-hand lower panel.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
Enlarging
lens selec-
tor will not
move.
3-21
