Singer 4423 Service Manual

Service Manual for Singer 4423 Sewing Machine (30 pages)

Specifications:

981/981087-4423.pdf file (23 Dec 2023)
  • Manufacturer: Singer
  • Category of Device: Sewing Machine
  • Document: 4423, File Type: PDF Service Manual
  • Updated: 23-12-2023
  • Count of Pages: 30
Download 4423 Manual (30 pages)

Read PDF Document Online:

Data: UPD 23rd December 2023

Singer 4423 Sewing Machine PDF Service Manual (Updated: Saturday 23rd of December 2023 08:19:27 PM)

Rating: 4.9 (rated by 98 users)

Compatible devices: 43-7, Athena, 591UTT, 105-9, 81-50, 460 series, 1305, 421W class.

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Text Version of Singer 4423 Sewing Machine Manual (Summary of Contents)

(Ocr-Read of Singer 4423 Document (Main Content), UPD: 23 December 2023)

  • 23,  3-17 Upper thread tension adjustment - Set the dial tension (a) to "4". (1) - Use a dial tension gauge (150g) (b) to take measurement. (1) - Put dial tension thread into gauge's hook and pull, the standard range should be 70~80g. - Remove the face plate, back…

  • 21, Singer 4423  3-15 Feed-dog height When the feed dog is in it's highest position it should be 0.9 to 1.05 mm above the surface of the needle plate. - Set the stitch length dial to "4". - Remove the presser foot and free arm cover. - Lift needle to its highest position. …

  • 9,  3-3 Needle drop position adjustment - Remove the face plate. - Set the pattern selector dial to " " or " ". Turn the stitch width dial to "0". - Lo os en t he sc re w ( a) o f n ee dl e b ar supporter. (1) - Turn needle bar su…

  • 28,  3-22 Buttonhole upper and lower stitching problem - Remove the back cover. - Set the pattern selector dial to " " (only for 4411/5511). - Set the pattern selector dial to " ". - Set the stitch length dial at "0.5" to "1". - While bu…

  • 20,  3-14 Play of shuttle driver shaft - Remove the needle plate. - There are 2 gauges (a, b) for testing the play of shuttle driver shaft. (1) - When you turn the hand wheel counter- clockwise, the shuttle hook (c) will move to rotary hook plate (d), and generate the play…

  • 5,  2-5 Free arm slab - Remove the screw (k). (5) - Remove the free arm slab. (6) 2-6 Arm top cover Remove the screws (l, m) and remove the arm top cover. (7) Free arm slab …

DOC-2fcfc8c1:

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