TM5-6675-326-14
Table 4-1. Operator Preventive Maintenance Checks and Services - Continued
Item
No.
8
I n t e r v al
B
B – Before Operation
ITEM TO BE INSPECTED
PROCEDURE
WARNING
ELECTRICAL SHOCK
Unplug power cord before
servicing the zoom transfer
scope. Failure to do so
may result in death or
s e r i o u s i n j u r y.
CAUTION
Dirt and dust on optical
surfaces will hinder equip-
ment’s performance.
Do
not
wipe
optical
s u r f a c e s u n t i l d u s t
and foreign matter
have been removed.
Do not touch optical
surfaces with bare
f i n g e r s .
GLASS STAGE AND OPTICAL
SURFACES. Check top and
bottom of glass stage and
o p t i c a l s u r f a c e s f o r d i r t ,
d u s t , a n d f i n g e r p r i n t s .
Use watchmaker’s blower to
remove dust and dirt from
exposed surfaces . Clean
with cotton cloth moistened
with mild liquid dishwashing
detergent (item 19, appen-
d i x E ) , s o l u t i o n d i l u t e d at
l e a s t 1 0 : 1 . U s e d i s t i l l e d
w a t e r f o r d i l u t i o n , i f
possible. Wipe surface dry
with cotton (item 17,
appendix E). Wipe with
chamois (item 10, appendix E)
to remove water spots.
Equipment Is
Not Ready/Available
I f :
4 - 1 1
