Aligning the needle bar linkage
44 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
9.2 Aligning the needle bar linkage in the sewing direction
Fig. 31: Aligning the needle bar linkage in the sewing direction (1)
Proper setting
The lever (2) is positioned so that the distance from the arm surface (1)
to the middle of the bolt (3) is 126.6 mm.
When the stitch length is set to 0, the feed dog is positioned in the center,
and the needle pierces exactly in the center of the needle hole.
To align the needle bar linkage in the sewing direction:
1. Execute the service routine Needle-Hook > Needlebar
( p. 14).
The software is used to define the necessary presettings on
the machine.
2. Remove the valve cover ( p. 20).
3. Tilt the machine head ( p. 17).
Fig. 32: Aligning the needle bar linkage in the sewing direction (2)
(1) - Arm surface
(2) - Lever
(3) - Center of bolt
(4) - Threaded pins (5) - Screw
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