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The step motor of the feeding unit
Dismounting
1. Dismount rear cover and front cover.
2. Unhook spring (A) at the end of the segment shaft.
3. Loosen the screws (B) of the step motor frame, expose the connection (C)
between the segment shaft of the step motor and the feeding unit by pushing
the shaft to the right.
4. Lift the step motor compl. out of the machine and remove its contact from
the circuit board.
Mounting
1. Position the step motor compl.
2. Connect the connection (C) between the segment shaft of the step motor
and the feeding unit.
Note! Location of the guide (see Fig 1 ). Do not turn 180 degrees wrong!.
3. Tighten screws (B) and connect contact to the circuit board.
Thereafter set:
16. Stitch length balance, basic setting
17. Pre-setting the step motor of the feed dog
18. Stitch length balance, fine adjustment
104 72 57-26
45
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