Timing The Needle Feed Motion (Not Applicable To Pfaff 483) - Pfaff 481 Service Manual

7 Timing the needle feed motion (Adjustment not applicable to PFAFF 483)
Requirement
Both the needle bar and the feed dog should remain motionless when reverse-feed
control 3 is moved up and down with the machine set for its longest stitch and the
needle bar set 0.6 mm past its b.d.c. (cylindrical pin in hole "3").
● Turn feed driving eccentric 1 (screws 2) according to the requirement making sure that the
notch in feed driving eccentric 1 points to the front.
Adjustment aid:
For easier checking insert a screwdriver in driving crank 4.
2
1
3
3
4
11