Pfaff 3811-2/45 Instruction Manual page 38

.1 Bring the top feed 4 (fig. 3) to its highest position (handwheel).
.2 Lift the presser shaft 5 and slide the 5 mm thick adjustment gauge 6 (fig. 3) from the back,
under the
.3 Loosen screw 7 and bring the presser shaft lifter 8 to its bottom resting position.
Note: Take care that the hand lever 1 is still in its upwards position!
.4 Tighten screw 4.
.5 Check that:
- the edge of the presser foot is parallel to the needle plate cutout
- the needle enters the presser foot needle hole exactly in the middle.
If necessary, align the presser foot as described in chapter 20.3.
.1 Loosen nut 10.
.2 Twist the plunger 9 into or out of the presser shaft lifter 11 (fig. 1) until the presser foot 2 is
approx. 7 mm above the needle plate 3 when the plunger 9 is retracted.
.3 Tighten nut 10.
38
With the hand lever 1 (fig. 1) raised the clearance between the presser foot 2
and the needle plate 3 (fig. 3) should be 5 mm.
presser foot joint.
Bi21-01
With the plunger 9 (fig. 1) retracted, the clearance between the presser foot 2
and the needle plate should be 7 mm (fig. 3)