The Step Motor Of The Feeding Unit - Husqvarna Viking Designer I Service Manual

The step motor of the feeding unit

Dismounting
1. Dismount rear cover and front cover.
2. Dismount the circuit board.
3. Dismount the base plate.
4. Unhook spring (A) at the end of the segment shaft.
5. Disconnect the draw bar from the side feeding mechanism.
5. Remove the screws (B) of the step motor frame, expose the cross joint (C)
between the feeding shaft of the step motor and the feeding unit by pushing
the shaft to the right.
6. 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.
4. Mount the spring holder and spring (A).
5. Mount the drawbar to the side feeding mechanism.
6. Mount the Base cover, main circuit board, front and rear covers
Set thereafter.
17. Setting the feeding mechanism sideways
20. Stitch length balance, basic setting
21. Pre-setting the step motor of the feed dog
22. Stitch length balance, fine adjustment
104 72 47-26
Dismantling and mounting
C
Fig 1
B
A
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