Pfaff 3811-11/43, Instruction Manual

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20 Presser foot settings
20.1 Clearance between presser foot and needle plate
Requirement:
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.
.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 presser foot joint.
.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.
20.2 Presser foot stroke with the automatic presser foot lifter
Requirement:
With the plunger 9 (fig. 1) retracted, the clearance between the presser foot 2
and the needle plate should be 7 mm (fig. 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.
Bi21-01