Adjustment
13
Adjusting basic machine
.04
13
Feed dog position
.04.01
O Loosen both of the screws 1 and 2.
O Adjust the rock shaft 3 according to rule 1.
O Tighten the screws 1.
O Set the maximum stitch length.
O Turn the rock shaft 3 according to rule 2 and tighten the screws 2.
6
Rule
1. The feed dog should have the same clearance on the right and left in the needle plate
cutout.
2. The feed dog should have the same clearance in the needle plate cutout in its front
and rear turning point with maximum stitch length regulation.
1
4
Fig. 13 - 01
The surfaces of the tacks 4 must face the screws 1 and the rock shaft 3 must
have no backlash nor move sluggishly.
3
2
1
4