Adjustment
13 - 10
3
4
1
Fig. 13 - 08
3
4
5
1
7
6
98
2
4 mm
13.05.08 Position of main- and differential feed dogs
Requirement
When the needle bar is at t.d.c (hole 1) and the longest stitch length is set the main- and dif-
ferential feed dogs must:
1. rest their full length on adjustment gauge 5,
2. be centred in the feed slots of the needle plate, and
3. clear each other by 4 mm.
● Set needle bar at t.d.c. and set longest stitch length.
● Loosen screws 1, 2, 3 and 4.
● Raise lifting presser and place adjustment gauge 5 (part No. 61-111 642-19) under the
lifting presser with its cutout facing downwards so that the arrow on gauge 5 faces in feed
direction.
● Push two feed bars 6 and 7 upwards to press the two feed dogs against the gauge.
● Tighten screws 1 and 2 just a little.
● Turn eccentric bushes 8 fand 9 according to Requirements 2 and 3.
● In this position fully tighten screws 3 and 4.
● Making sure that Requirement 1 is fulfilled, fully tighten screws 1 and 2.
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