12 - 31
Adjustment
12.05.29 Height of the main and differential feed dogs
Requirement
With the stitch length set at "0" and the needle bar positioned at 0.25 after t.d.c. (hole 3):
1. The feed dogs should be in the centre of the needle plate cutout and be touching the
feed dog height adjustment gauge over their whole length.
2. There should be a distance of approx. 4 mm between the feed dogs.
2
1
3
4
Fig. 12 - 30
● Place the feed dog adjustment gauge under the sewing foot with the cutout facing down.
● Lower the sewing foot until it touches the gauge.
● Press up both feed bars and adjust the feed dogs in accordance with requirement 2.
● Adjust lifting cranks 1 (screws 2) and eccentric clamp bushings 3 (screws 4) in
accordance with requirement 1.
1
2
4
ca. 4,0 mm
1,1 mm
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