Adjustment
6
2
3
1
Fig. 15 - 01
15.04 Adjusting the basic machine
15
.04.01 Needle position in the direction of sewing (on the PFAFF 1591)
● Switch on the machine and set the stitch length at "5".
● Switch the machine off and on (synchronization of the needle bar to the stitch length).
● Sew one stitch and check the rear position of the needle in accordance with the require-
ment.
● Press the reverse feed key, sew one stitch and check the front position of the needle in
accordance with the requirement.
● To carry out the adjustment, loosen screw 1 through the hole on the back of the
case.•Check: Switch on the machine and choose parameter 605, turn the hand wheel
and carry out a check with the requirement.•Guide the bent part of the adjustment pin
through the elongated hole on the rear side ofthe case and insert it into hole 3 through
the hole in lever 2.•Adjust the needle bar frame 4 (screw 1) in accordance with the re-
quirement.
Screw 5 and nut 6 remain loosened for the next adjustment
Requirement
With the stitch length set at "5", in its front and rear point of reversal the needle should be
the same distance from the inside edges of the needle hole.
=
=
5
6
4
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