Husqvarna Designer 1 Service Manual
Here you can view all the pages of manual Husqvarna Designer 1 Service Manual. The Husqvarna manuals for Sewing Machine are available online for free. You can easily download all the documents as PDF.
Page 31
31 104 72 47-26 18. Feed dog height Check 1. Bring the feed dog to its highest position. 2. The top of the feed dog should be 0.9-1.1 mm above the stitch plate. Check with setting gauge 411 49 93-01 Adjustment 1. Bring the feed dog to its highest position. 2. Adjust with a screw driver the adjustment nut (A) until a correct feed dog height (0.9-1.1 mm) is obtained. Settings
Page 32
32104 72 47-26 19.Threading device Check 1. Insert a new needle. 2. Bring the needle to its highest turning position. 3. The threader hook shall go smoothly into the needles eye. See Fig 1 and Fig 2. Adjustment 1. Loosen the the two screws (A) on the back of the threader head (B). 2. Move the thread head (B) so that the threader hook (D) does not touch the needle heightways (See fig 1) 3. Move the thread hook holder (C) so that the threader hook (D) does not touch the needle sideways (See fig...
Page 33
33 104 72 47-26 20.Stitch length balance basic setting Check Get into the service program. Touch Feed- ,row 1, the feed dog shall now stand still when the foot control is pressed (0-feeding). Adjustment 1. Touch Feed- ,row 1.Loosen the screw (A) of the cog wheel and turn it until the feed dog comes to a stand-still when the foot control is pressed. 2. Turn the hand wheel until the needle arrives at its lower turning position. 3.Touch Feed- , row 1. 4. The gap between the segment (B) and...
Page 34
34104 72 47-26 21. Pre-setting the step motor of the feed dog Check 1 Set the needle in its lower turning position. The feed dog should after turning the mains switch several times on and off always reach such a position that 2.5 mm straight stitching will be obtained. Check 2 Get into the service program. Turn the hand wheel until the needle arrives at its lower turning position. Touch Feed- ,row 1 The gap between the segment (A) and the calibration stop (B) should now be Zero (0 mm). Adjustment...
Page 35
35 104 72 47-26 22.Stitch length balance Check A Both columns of the buttonhole should be of the same density. B The machine should sew a motif according to the symbol. C The mending stitch should look according to the illustration. (Use the mending stitch in the service menu - touch , row 5 ) Fine adjustment Touch , row 5 in the service menu 1. Turn screw (A) until the machine sews a mending stitch according to the illustration. This adjustment may be done without dismounting the...
Page 36
36104 72 47-26 23. Lower thread tension (thread tension of the bobbin case) Check 1. Insert a full bobbin into the bobbin case. 2. The thread tension spring of the bobbin case shall give a resistance of 12 - 20 g when pulling the thread slowly. Adjustment 1. Turn screw (A) until the correct thread tension is obtained. NOTE ! Before any adjustment is made remove any loose pieces of thread or fluff from the thread tension discs Settings
Page 37
37 104 72 47-26 24.Upper thread tension - Normal position Check A correct take-up should be obtained on straight stitch and zig-zag when the sewing advisor is set on woven medium. Comment 1 The sewing advisor adjusts the thread tension according to the selection of fabric and sewing technique. This is done by means of the computer and the thread tension step motor. Comment 2 The thread tension that is set in the set menu is to be regarded as a general indication. This general indication can...
Page 38
38104 72 47-26 25.Upper thread tension - Embroidery position Check A correct take-up should be obtained on at embroidery stitch (e.g.embroidery stitch No 1, menu 4 on Disk 100 Designer 1 Sampler). Comment The following embroidery threads shall be used: Upper thread :Thread thickness No 40 ( e.g. Sulky No 40) Lower thread: Thread thickness No 70 ( e.g. Sulky bobbin 100) Adjustment 1. Get into the service program and select . 2. To adjust the tension on embroidery sewing - Embr use or . 3. Embr...
Page 39
39 104 72 47-26 26. Upper thread guard sensor Check When the upper thread is finished or breaks the machine will stop. This is done by means of a photo-diode (B) on the push button board which reads the movement on the screen (C) which moves simultaneously with the thread take-up spring (D). The machine must be threaded in order to activate the upper thread guard sensor. Upper thread guard sensor check. Get in to service program. Select Sensor - in order to check The function of the upper...
Page 40
40104 72 47-26 27. Setting the thread take-up spring Check The thread take-up spring should have completed its movement when the needle eye reaches the fabric. The check has to be carried out in straight stitching in cotton. Adjustment 1. Remove the thread tension cover by taking a firm grip on the top of the cover and then carefully pulling it away from the front cover. 2.Turn the thread tension peg (A) with a screw driver until a correct thread take-up is obtained. NOTE! The setting of the thread...