Machine head
57
Service Instructions 911-211 - 02.0 - 10/2016
2.
Loosen the screw (2).
3.
Move the needle thread regulator:
• more thread = slide to the left
• less thread = slide to the right
4.
Tighten the screw (2).
4.7.2 Setting the thread tensioning spring
The thread tensioning spring holds the needle thread under tension from
the top dead center of the thread lever up to the point when the needle eye
plunges into the sewing material.
Proper setting
Initial position:
The thread tensioning spring does not contact the stop
until the needle eye has plunged into the sewing material.
Important
The setting for the thread tensioning spring must be varied according to
the sewing material and the required sewing result.
Fig. 42: Setting the thread tensioning spring
WARNING
Risk of injury from sharp and moving parts!
Puncture or crushing possible.
Switch off the machine before you check and set
the thread tensioning spring.
(1)
- Stop collar
(2)
- Spring
(3)
- Tension disk
(4)
- Screw
①
②
④
③
Summary of Contents for 911-211
Page 1: ...Service Instructions 911 211...
Page 6: ...Table of Contents 5 Service Instructions 911 211 02 0 10 2016...
Page 10: ...About these instructions 9 Service Instructions 911 211 02 0 10 2016...
Page 90: ...Sewing unit 89 Service Instructions 911 211 02 0 10 2016...
Page 146: ...Creating programs with DA CAD 5000 145 Service Instructions 911 211 02 0 10 2016...
Page 158: ...Decommissioning 157 Service Instructions 911 211 02 0 10 2016...
Page 160: ...Disposal 159 Service Instructions 911 211 02 0 10 2016...
Page 170: ...Technical data 169 Service Instructions 911 211 02 0 10 2016...
Page 195: ...Appendix Service Instructions 911 211 02 0 10 2016 194...
Page 197: ...Appendix Service Instructions 911 211 02 0 10 2016 196 13 3 Pneumatic diagram...
Page 199: ......