Adjustment
15
1
.05.09
Needle rise, hook clearance, needle height and needle guard
Requirement
With the stitch length set at "
4
.
5
" and in the needle rise position (see table)
1. The hook point
6
should be positioned at "needle centre" with a hook-to-needle clea-
rance of
0
.
05
–
0
.
10
mm
.
2. The top of the needle eye should be positioned
0
.
8
mm
below hook point
6
. and
3. and needle guard
7
must touch the needle just lightly.
●
Loosen both screws of the gear drive of hook
1
(under cover
2
).
●
Adjust hook
1
and hook bearing
3
(screws
4
and
5
) in accordance with
requirement
1
.
●
Without turning it, re-position the needle bar in accordance with the
requirement
2
, also
see Chapter
1
.
05
.
08
Preliminary adjustment of the needle bar.
Needle rise position
Model
C
:
Balance wheel position
204° / 2.0 mm
Model
D
:
Balance wheel position
206° / 2.4 mm
Fig. 1 - 09
0,8 mm
6
5
5
4
2
3
7
8
1
Содержание Powerline 2545
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