Adjustment
13 - 10
13.
04.08
Hook-to-needle clearance, needle rise, needle height and needle guard
Requirements
With the needle at 1.8 after BDC and with the stitch length at "0.8" (only PFAFF 1491E1)
1. the hook point must point to the middle of the needle and be
0.05
to
0.1 mm
from the
needle,
2. the top edge of the needle eye must be
0.8
to
1.0 mm
beneath the hook point and
3. the needle guard
9
must lightly touch the needle.
Only on the PFAFF 1491E1:
●
Turn the machine on.
●
Set the stitch length to "0.8" and sew four to five stitches ( without trimming ).
●
Turn the machine off.
●
Loosen screws
1, 2, 3
and
4
.
●
Position the needle bar 1.8 after BDC.
●
Place the adjustment pin into hole
5
and place under pressure.
●
Position the hook point at the middle of the needle, taking care to ensure that the needle
is not pressed by the needle guard
9
.
●
Set the needle height in accordance with
requirement 2
.
4
8
8
4
5
9
0.8 - 1 mm
3
2
7
6
2
1
Fig. 13 - 07
