TM 5-6675-320-14
Table 2-1. 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
NO.
1
IN-
TER-
VAL
B
ITEM TO BE INSPECTED
PROCEDURE
PORTABLE FILM VIEWER - Cont
Inspect Viewer - Cont
WARNING
Death or serious injury may occur if portable
film viewer is operated with defective power
c o r d .
2. Plug in power cord.
3. Turn power switch ON.
4. Observe even lighting of viewing surface .
5. Turn power switch OFF.
6. Unplug power cord.
7 . R o t a t e c r a n k h a n d l e s t o r i g h t a n d l e f t . O b s e r ve
f r e e r o t a t i o n.
8. Check rollers for free movement.
9. Pull crank handles away from viewer. Spring
t e n s i o n w i l l r e t u r n h a n d l e s t o o r i g i n a l p o s i t i on
when released.
10. Turn power switch OFF.
11. Unplug power cord.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
2-7
