Bobbin Case Opener; Height Of The Finger - Duerkopp Adler 975-1-5 Service Instructions Manual

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2.4 Bobbin Case Opener

The thread lever must pull the thread through between the middle

piece 5 and its holder 4.

In order for this procedure to occur unimpaired, the middle piece must

at this moment be opened by the bobbin case opener.

This allows the desired seam formation to be achieved with the lowest

possible thread tension.

False setting can have the following effects:

–

Thread breakage.

–

Eyes on the reverse of the cloth.

–

Loud noises.

The finger 1 should be at the same height as the nose of the middle

piece.

Caution Risk of Injury !

Conduct adjustment work and function testing only with greatest

possible caution.

–

Lower the sewing head.

Set the program switch to 44 and press the " STOP " key.

The sewing head is lowered and the needle plate and pressure

foot raised.

–

Loosen the screw 2.

–

Turn the eccentric 3.

–

Tighten screw 2.

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