TM 5-6675-319-14
Table 4-1.
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
W - Weekly
AN - Annually
(Number) - Hundreds of Hours
D - During
M - Monthly
S
- Semiannually
O - Quarterly
BI
- Biennially
ITEM
NO.
2
3
IN-
TER.
VAL
B
B
ITEM TO BE INSPECTED
PROCEDURE
DARKROOM FILM VIEWER - Cont
Service Viewing Surface - Cont
2.
Loosen wingnuts, lower brackets, and raise
viewing surface.
3.
Inspect top compartment for moisture. Dry with
cheesecloth.
Wipe lamp and canopy.
NOTE
Canopy covers center lamp.
4. Wipe both sides of viewing surface with
cheesecloth.
Close viewing surface.
I n s p e c t E l e c t r i c a l S y s t e m.
1.
2 .
3 .
WARNING
Death or serious injury may occur from
e l e c t r i c a l s h o c k u n l e s s p o w e r c o r d i s u n-
plugged before servicing .
Unplug power cord.
Inspect power cord for kinks, breaks, and tears.
Plug in power cord.
Turn on lights.
Switch in down position:
O r t h o - s a f e l i g h t s l i g h t . S w i t c h i n u p p o s i t i o n :
w h i t e l i g h t l i g h t s .
S w i t c h i n c e n t e r p o s i t i o n:
lights
are
out.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
I n s u l a t i o n
is broken.
Lights are
i n o p e r a t i v e.
4-5
A - After
