Programming
366
Service Instructions 755 A/756 A - 00.0 - 02/2019
Setting and testing hook thread monitor
The display switches to
Test bobbin thread monitor
.
Information
When the light barriers are correctly aligned, a reflection occurs when an
empty bobbin is turned.
The intensity of the reflection is illustrated by a black bar and a number
between
1
and
15
.
If the value is above the minimum value of
8
, the display shows an arrow
between reflecting head and hook thread bobbin. A signal tone will sound
at the same time.
Important
If the light barrier setting is correct, the maximum value of
15
must be
reached when the infrared beam hits the area of the reflecting surface of
the bobbin.
The black bar is within the green range.
Fig. 336: Setting and testing hook thread monitor
To set the hook thread monitor:
1. Press the desired button.
Symbols
Meaning
Set sensitivity left
• 0 - 15
Set sensitivity right
• 0 - 15
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: ......