Needle thread advancing device
96
Service Instructions 755 A/756 A - 00.0 - 02/2019
14 Needle thread advancing device
14.1 Adjusting the needle thread quantity
Fig. 101: Adjusting the needle thread quantity
Proper setting
The needle thread advancing device (4) pulls a certain amount of needle
thread out of the open thread tensioner. The amount of advanced needle
thread must be large enough the meet the following conditions:
• when sewing begins, the needles moving downward must not pull
the needle threads out of the needle thread clamp
• at the same time, the stitches need to be tight when sewing begins
To set the needle thread advancing device:
1. Loosen screws (1) and (2).
2. Turn the holder (3).
• To set a larger amount of needle thread: Turn the holder (3) down
in the slotted hole
• To set a smaller amount of needle thread: Turn the holder (3) up
in the slotted hole
3. Tighten screws (1) and (2).
(1)
- Screw
(2)
- Screw
(3)
- Holder
(4)
- Needle thread advancing device
④
①
②
③
Summary of Contents for 755 A
Page 1: ...755 A 756 A Service Instructions...
Page 8: ...Table of Contents 6 Service Instructions 755 A 756 A 00 0 02 2019...
Page 12: ...About these instructions 10 Service Instructions 755 A 756 A 00 0 02 2019...
Page 116: ...Folder 114 Service Instructions 755 A 756 A 00 0 02 2019...
Page 124: ...Transport carriage 122 Service Instructions 755 A 756 A 00 0 02 2019...
Page 138: ...Transport clamps 136 Service Instructions 755 A 756 A 00 0 02 2019...
Page 200: ...Light barriers 198 Service Instructions 755 A 756 A 00 0 02 2019...
Page 222: ...Endless zipper feed optional 220 Service Instructions 755 A 756 A 00 0 02 2019...
Page 238: ...Additional equipment 236 Service Instructions 755 A 756 A 00 0 02 2019...
Page 266: ...Stacker 264 Service Instructions 755 A 756 A 00 0 02 2019...
Page 438: ...Programming 436 Service Instructions 755 A 756 A 00 0 02 2019...
Page 450: ...Decommissioning 448 Service Instructions 755 A 756 A 00 0 02 2019...
Page 452: ...Disposal 450 Service Instructions 755 A 756 A 00 0 02 2019...
Page 472: ...Technical data 470 Service Instructions 755 A 756 A 00 0 02 2019...
Page 496: ...Appendix 494 Service Instructions 755 A 756 A 00 0 02 2019...
Page 497: ......