Adjustment

11.04.07 Driving motion of the bottom and top feeds

Requirement

With the longest stitch length set and the needle bar at its BDC, the top and bottom feeds should not move when the reverse-feed lever is activated.

2 1

Fig. 11 - 07

● Set the longest stitch.

● Loosen screws 1 just far enough so that the feed driving eccentric 2 can be turned on the shaft with difficulty.

●Bring the needle bar to its BDC.

●Turn the feed driving eccentric 2 so that its eccentricity is facing downwards.

●Now turn it a little in the direction of rotation in accordance with the requirement.

●In this position, tighten screws 1.

●Carry out a check in accordance with the requirement.

11 - 8