UNITRA ZK 246 - Page 7

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4

screw

fixing

the

electrical

circuitry

frame

(fig.

3)

Fig.

4

2.1.

Replacement

of

Winding

and

Counter

Belis

'

To

replace

the

winding

belt

(1),

undo

the

screw

(2),

deflect

the

flat

spring

(3)

and

take

the

belt

out

from

the

pulleys

(4

and

5).

As

for

the

counter

belt,

this

may

be

replaced

without

any

disassembling

operation

—

simply

take

the

belt

out

from_the

counter

pulley

and

from

the

r.h.

disk.

2.2.

Replacement

of

Pushbuttons

To

replace

any

pushbutton

in

the

main

switch

assembly,

disengage

the

pushbutton

from

the

return

spring

(except

the

*"START”’

pushbutton)

and

move

the

pusher

to

the

inside

(except

the

pushbuttons

”STOP”

and

RECORDING’).

Now,

withdraw

the

split

pin

from

the

switch

shaft,

draw

the

shaft

out

and

remove

the

pushbutton.

8

Fig.

5

Straighten

a