Driving Motion Of The Bottom And Top Feeds - Pfaff 1245 Instruction Manual

Adjustment
11.

Driving motion of the bottom and top feeds

04.07
11 - 8
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.
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.
2
1