Pfaff 3806-12/22, Руководство по настройке

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Adjustment
7
1
3
4
Fig. 13 - 02
1
3
2
13
.05
Adjusting the basic machine
13
.05.01
Position of the needle in the needle hole
Requirement
1. The needle 6 must be centered in the needle hole in a crosswise direction.
2. The distance between needle 6 and the front edge of the needle plate must be ap-
prox. 0.8 mm.

Loosen screws 1, 2, 3 and 4.

Shift needle bar frame 5 according to the requirements.

Tighten screw 3 securely and slightly tighten screw 2.

Using screw 1 , pull the guide stud behind it against the eye of the needle bar frame 5
and tighten it.

Loosen screw 2 and turn the balance wheel a few times (this helps to avoid the oc-
curence of any tension).

Tighten screw 2 .

Tighten screw 4 , making sure that the slotted guide is parallel to the needle bar.
4
5
0,8 mm
6