7
3.3 Throat plate
3.3.1 Description
The throat plate (1) is always for the given stitch width of
needles and universal for all respective categories of sewing
(see Tab. sewing equipments - Spare parts list).
In the throat plate there is mounted an exchangeable throat
plate insert (2). For each stitch width of needles, it is possible
to supply several throat plate inserts differing one from
another by the width of the piercing hole.
3.3.2 Setting the needle (the needle bar holder)
in the direction of sewing
The directions E" between the needle and the edge of the
piercing hole must be the same both at the beginning and at
the end of the needle feeding.
Caution! Danger of injury!
Switch off the main switch! Before starting the
setting operation, wait until the motor stops!
- According to the table 10.3, limit the maximum stitch
length for the respective stich width and the sewing cate-
gory (see 3.6.2.4).
- Set the maximum stitch length.
-
Loosen the screw (4) of the lever (5).
- By turning the needle bar holder (6) on the pin (7) set the
same distance A.
- Tighten up the screw (4) and check up the setting.
Caution!
A faulty setting may cause bending or breaking of
needles against the throat plate insert.
E
E
2
1
4
5
6
7
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