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104 72 79-26
Feeding unit
Dismantling
1. Remove rear and front covers.
2. Remove the hook cover.
3. Remove the hook complete.
4. Remove the baseplate.
5. Remove the feeding step motor.
6. Remove the two screws (B).
7. Un-hook the spring from the casting, located on the left side of the feed unit.
8. Lift out the complete feeding unit.
Mounting
1. Set feeding eccentric straight backwards.
2. Insert feeding unit and tighten the two screws (B) lightly.
3. Mount the feeding step motor and base plate.
4. Mount and set hook and hook cover.
5. Mount the presser foot holder and the presser foot.
6. Set the feed unit side ways (setting No 7) and tighten screws (B).
The below have to be checked or set, either during or after the parts are mounted.
4. Setting of the hook in relation to the feeding eccentric.
3. Play of the hook gear.
5. Gap between the needle and the hook.
6. The setting of the stitch plate (hook cover) in relation to the needle in the feeding direction.
7. Setting the feed dog in relation to the needle plate.
9. Feed dog height.
11. Needle height.
12. Timing of the hook in relation to the needle.
18. Stitch length balance, basic setting.
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Dismantling and mounting
B
B
