Pfaff 571 Adjustment Manual page 15

Set stitch length at "0".
Loosen screws 1, 2, 3, 4 and 5.
Bring the needle bar into needle rise position 2.4 mm after B.D.C.
Set hook point at needle centre, making sure that the needle is not defl ected by needle
guard 6.
Adjust needle height according to Requirement 2.
Adjust hook post according to Requirement 1 and tighten screws 4.
Making sure that there is some play in the bevel gear, tighten screws 2.
With retaining collar 7 touching bevel gear 8 tighten screws 1.
Screws 5 remain loosened for further adjustments.
Adjust needle guard 6 (screw 9) according to Requirement 3..
When the hook is changed, make sure
that the markings 10 and 11 are both
on one side.
Adjustment
10
11
15