Pfaff 571 Instruction Manual page 55

● Adjust needle height according to Requirement 2.
● Adjust both hook posts according to Requirement 1 and tighten screws 8.
● Tighten screws 1 and 6.
● Making sure that there is some play in the bevel gear, tighten screws 3 and 5.
● With retaining collar 10 touching bevel gear 11 tighten screws 2.
● With retaining collar 12 touching bevel gear 13 tighten screws 4.
● Tighten screws 7 on both sides of the post.
● Adjust needle guard 9 (screw 14) on both hooks according to requirement 3.
When a hook is changed, make sure
that the markings 15 and 16 are both
on one side.
Adjustment
15
16
11 - 9