Pfaff 483, 481 service manual Adjusting the knee lever motion

20	Adjusting the knee lever motion
	Requirement
	When the knee lever is pushed by the full amount of its travel, there must be a clearance
	as indicated in the table below between presser foot and needle plate and the presser bar
	lifter should drop by its own weight.
	Version A and subclass -731/..:	7 mm
	Versions B and C:	9 mm

7/9 mm

1 2

●Turn stop screw 1 (nut 2) out a few turns.

●Raise the presser bar lifter.

●Place the 7-mm-thick or the 9-mm-thick blade of the gauge under the presser foot and lower the presser bar lifter.

●Push the knee lever until a noticeable resistance is felt; the presser foot must not yet lift off the gauge. First turn in stop screw 1 (nut 2) fully, then back out by half a turn.

PFAFF 25