Husqvarna Designer 1 Service Manual

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Parts of the  hook cover compl.
Changing the thread cutter knife
Dismounting
1. Dismount the stitchplate.
2. Snap away the thread cutter cover.
3. Dismount the thread cutter knife arm (B).
4. Dismount the thread cutter holder (D) .
5. Dismount the knife (C).
Mounting
Mounting in reversed order.
The pin (G) shall be in groove (H)
NOTE! When mounting the thread cutter knife arm check
that the thread brake lining isnt damaged.
The lower thread indicator
1. Dismount the hook...

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Feeding unit
Dismounting
1. Dismount rear and front covers.
2. Dismount the hook cover.
3. Dismount the needle and the presser foot holder and set the feeding eccentric straight
backwards (Needle in the highest position).
4. Unhook spring (A) from the feed carrage and disconnect the draw bar from the feed dog
frame.
5. Dismount  the 2 screws (B).
6  Disconnect the cross joint py pushing the feeding shaft to the right.
7. Lift out the complete feeding unit.
Mounting
1. Set feeding eccentric...

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Feed dog.
Dismounting
1. Dismount the feeding unit.
2. Dismount the feed dog frame from the feed unit .
3. Dismount the feed dog by removing the 2 screws (A).
Mounting
1. Press the feed dog and the feed dog frame against a straight sureface. See Fig 1.
2. Tighten the 2 screws (A).
3. Mount the feed dog frame on the feed unit
4. Mount the feed unit.
Set thereafter
5.  The setting of the feed unit sideways.
13. The setting of the stitch plate (hook cover) in relation to the...

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The side feeding mechanism cpl.
Dismounting
1. Dismount rear cover and front cover
2. Dismount the main circuit board
3. Disconnect the draw bar (C) from the side  feeding mechanism by  removing
the screw (A) and the clip (B).
4. Remove the 3 screws (D) and remove the side feeding mechanism.
Mount in the reverse order.
Set thereafter.
17. Setting  the feeding  mechanism sideways
22. The stitch length balance, fine adjustmemt.
The step motor of the side feeding mechanism
Dismounting
1....

              55 104 72 47-26 Fig 1
A
BC
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...

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Hook compl.
Dismounting
1. Dismount rear cover  and front cover .
2. Dismount the feeding unit .
3. Loosen the screw (A) and lift hook compl. (B).
Note! The hook can be dismounted without removing the feeding unit.
Mounting
1. Turn the hand wheel until the needle comes to its highest position.
2. Position washer, adjustment stud and dust shield onto the arm. With the adjustment
     stud forward.
3. Place the hook so that the tip (C) points straight backwards.
4. Press the hook shaft...

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Bobbin winding device
Needle- and feeding movement should be disengaged when the ”bobbin
shaft with its rubber ring” is pushed against the ring (B), and engaged when
it is pushed back.
Dismounting
1. Dismount rear covers  and front cover .
2. Dismount the screw (A).
Mounting
1. Keep the bobbin device in extended position.
2. Push ring (B) against the hand wheel.
3. Push the rubber ring (C) of the bobbin device against ring (B).
4. Tighten the screw.
5. Check.
Note! With the...

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Cover Y-slide
Dismounting
Cautiously bend the cover so that the 5 snaps (A) are exposed and lift the cover upwards.
Mounting
Place the cover over the plate and
press the snaps.
Step motor cover
Snap off the step motor cover by pushing in the snap (A) in the direction of the arrow.
Embroidery Unit 

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Cover upper part
Dismounting
Move the Y-unit to its leftmost position
Remove the 3 screws (A) underneath the lower cover.
Push the cover in the direction of the arrow to unhook the guides (B) from the embroidery
unit.
Mounting in reversed order.
NOTE! Make sure that all guides (B) on the inside of the cover are correctly inserted.
Cover lower part
Dismounting
Remove the 3 screws (A) and grounding cable (B).
Lift out the embroidery and unhook the Y-unit from the guide rail....

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Embroidery unit    -     X-unit
Belt tension
Check
The belt should be adjusted in such a way that it should be possible to
push in the belt approx. 4,5 mm with a force of 0,2 kg.
Adjustment
Adjust by loosening the screw (A) and move the plate (B) until a good
belt tension is obtained.
Calibration of the end position, X-unit.
Check
Move the X-unit to that the calibration stop (E) is against the frame (F).
The distance between (A) and (B) should now be 2 mm.
Adjustment
1. Remove the holder...