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Fitting Instruction for Remaining Thread Monitor

Electrical setting

4.1 Setting bobbin thread monitor

Ausgabe/Edition:

Änderungsindex

03.2011

Rev. index: 00.0

Anbauanleitung Restfadenwächter

Teilesatz 0911 597754

Kit 0911 597754

The residual thread monitor is delivered with a basic factory

setting.

Normally the sensitivity of the residual thread monitor must not be

readjusted!

The preset sensitivity should only be adjusted if the residual thread

monitor does not function properly.

(See Setting the sensitivity).

Connections:

Plug connection 2 (X1) = Light barrier hook (to the right)

Plug connection 4 (X3) = Input and output of the sewing drive

control.

Electrical setting of the residual thread monitor / the light

barrier

The light barrier's sensitivity factory presetting via the

potentiometer 1 (R4) in the control may only be altered if the

residual thread monitor does not function properly.

Setting the sensitivity

–

Setting the sensitivity with the potentiometer 1 (R4), plug

connection 2.

–

Turning clockwise = higher sensitivity,

–

counter-clockwise = lower sensitivity.

Operation of the sensitivity setting

–

Insert an empty bobbin into the hook and position the hook so

that the light barrier can point unimpededly through the slit in

the hook case to the bobbin.

–

Set the potentiometer to the highest sensitivity (by turning it

clockwise) and turn the bobbin in the hook until the reflecting

surface appears. The LED 3 (V10) lights up and the output to

the control as well as the additional output are switched on.

–

Now reduce the sensitivity on the potentiometer 2 until the

reflection on the bobbin is still just recognized.

Note:

In the setting mode the LED 3 (V10) lights up for one second at

each reflection.

Printed in Germany

Teile-Nr./ Part-No.:

0791 911703

Blatt:

von

Sheet: 19 from 20