Adjusting The Sewing Machine; Adjusting The Sewing Machine Thread Clipper; Thread Clipper - Duerkopp Adler 743-221 Service Manual

3.

Adjusting the sewing machine

3.1

Thread clipper

7
1
Regulation and inspection
When the thread is being cut the moving blade must be able to move
freely in the slit of the shaping module.
Caution: danger of injury
Turn off the main switch.
The thread clipper may only be removed with the sewing machine
switched off.
Removing the thread clipper
–
Remove shaping module and casing 1.
–
Remove screws 2 and 4.
IMPORTANT !
Between the slide plate and thread clipper there are 2 shims.
–
Mark 3 hoses on the thread clipper 7 and then unscrew them.
–
Remove the thread clipper 7.
Fitting the thread clipper
–
Connect the hoses to the correct connections.
–
Attach the thread clipper 7 under the slide plate 3.
Make sure the hoses cannot be fouled by moving parts.
–
Attach screws 2 and 4.
When the thread is being cut the moving blade must be able to
move freely in the slit of the shaping module.
IMPORTANT !
When fitting the thread clipper place the shims between the slide
plate and thread clipper.
–
Replace casing 1 and shaping module.
Function-testing the thread clipper
–
The function of the thread clipper 7 can be checked with
program 64 (see brief description of Microcontrol).
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