Pfaff 3801-3/07 - Looper-To-Needle Clearance (Crosswise to Sewing Direction)

Adjustment
13 - 24
6
4
5
3,6
54-065
1
2
3
3,6 mm
Fig. 13 - 21
13.05.21 Looper-to-needle clearance (crosswise to sewing direction)
Requirement
When the looper 1 is at its right point of reversal, there must be a clearance between the
looper point crosswise to the sewing direction and the needle center of 3.6 mm.
● By turning the balance wheel bring the looper 1 to its right point of reversal.
● Place the "3.6" blade of looper gauge 2 (Order No. 61-111 643-06) against the needle 3 with
its notch facing the direction of feed.
● Make sure that the driving link 4 is vertical and turn the ball pin 5 (screw 6) with the aid of
an open-ended spanner, until the looper point 1 contacts the blade.