Positioning the arm shaft
24
Service Instructions 878-M PREMIUM - 03.0 - 10/2019
5
Positioning the arm shaft
Fig. 13: Positioning the arm shaft
Proper setting
The three threaded pins (1) on the arm shaft crank (3) are set completely on
the surface. The arm shaft crank (3) is flush with the machine casting (2).
1.
Remove the arm cover
.
2.
Loosen the threaded pins (1) on the arm shaft crank (3).
3.
Turn the arm shaft crank (3) so that the threaded pins (1) are completely
set on the surface of the arm shaft.
4.
Push the arm shaft to be flush with the arm shaft crank (3) as far as it
will go to the right of the machine casting.
5.
Tighten the threaded pins (1) on the arm shaft crank (3).
WARNING
Risk of injury from moving parts!
Crushing possible.
Switch off the sewing machine before you check
and set the position of the arm shaft crank.
(1)
- Threaded pins
(2)
- Machine casting
(3)
- Arm shaft crank
③
①
②
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: ......