Setting the hook and the needle bar
40
Service Instructions 878-M PREMIUM - 03.0 - 10/2019
4.
Insert the 3 mm key (2) into the adjusting screw (1) and turn it to make
the needle guard (3) push the needle (4) away far enough so that any
contact with the hook tip (5) is eliminated:
• Stronger pressure when pushing away: turn counterclockwise
• Weaker pressure when pushing away: turn clockwise
10.6 Setting the loop former
Proper setting
The loop former (1) in 1-needle machines should be adjusted so that the
gap (A) = 0.1 to 0.2 mm.
1.
Set the maximum stitch length based on the sewing equipment used.
2.
Disassemble the throat plate (
Fig. 28: Setting the loop former
3.
Bend the loop former as specified in the correct setting.
(1)
- Loop former
①
A
Summary of Contents for 878-M PREMIUM
Page 1: ...878 M PREMIUM Service Instructions...
Page 10: ...About these instructions 8 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 66: ...Integrated motor 64 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 114: ...Maintenance 112 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 116: ...Decommissioning 114 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 118: ...Disposal 116 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 126: ...Technical data 124 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 127: ...Appendix Service Instructions 878 M PREMIUM 03 0 10 2019 125 23 Appendix Wiring diagram...
Page 128: ...Appendix 126 Service Instructions 878 M PREMIUM 03 0 10 2019...
Page 129: ......