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7. MAINTENANCE AND ADJUSTMENT
7-1
MAINTENANCE
A B e f o r e s t a r t ing t h e f o l l o w i n g o p e r a t i o n s , t u r n the power s w i t c h o f f and d i s c o n n e c t the
power cord from an o u t l e t .
Replacing a fuse
When a f u s e blows o u t , t h e CV-1240
blowout.
Remove the f u s e h o l d e r cap from t h e r e a r p a n e l u s i n g a s t a n d a r d s c r e w d r i v e r .
Replace the fuse w i t h a new one.
100V, 120V : 1. OA
220V, 240V : 0. 5A
Changing the supply voltage
Remove t h e f u s e h o l d e r from the r e a r p a n e l u s i n g a s t a n d a r d s c r e w d r i v e r .
such a manner t h a t t h e d e s i r e d v o l t a g e m a r k i n g comes t o t h e •
supply v o l t a g e i s to be changed from 100V or 120V to 220V or 240V, r e p l a c e t h e f u s e from
1. OA r a t i n g to 0. 5A r a t i n g .
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[ 1 2 4 5 ] i s d i s a b l e d .
Fuse holder
Check f o r t h e c a u s e o f a f u s e
R e p l a c e i t i n
mark p o s i t i o n .
When the
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