7
3.3 Throat plate and its post
3.3.1 Description
The throat plate (1) is universal for all categories of sewing. In
the throat plate there is mounted an exchangeable insert (2).
The machine is supplied with several types of inserts differing
in the width of their needle aperture (3), see tab. in the par.
11.2).
3.3.2 Mounting and removing the throat plate
and its insert
When mounting the throat plate (1), the finger (4) of the bobbin
case must fit into the recess (5) of the throat plate. When
dismantling the throat plate insert (2), it is necessary to
unscrew both screws (6) and to remove the throat plate insert.
Caution! Danger of injury!
Switch off the main switch! Before starting the
setting operation, wait until the motor stops!
- Turn the finger (4) in the sense towards the throat plate (1).
-
Place the throat plate (1) onto the post.
- Screw in the screws (7).
-
Mount the throat plate insert (2).
- Tighten the screws (6).
- When removing the insert, proceed in an inverse sequence.
3.3.3 Side setting of the throat plate post
The post of the throat plate (1) is to be side set in such a way
that the axis of the hole in the insert of the throat plate (2) is
at the distance A = 0.1 mm to the right from the axis of the
needle (3).
Caution! Danger of injury!
Switch off the main switch! Before starting the
setting operation, wait until the motor stops!
- Loosen the screws (4 and 5) (from the rear side of the post
as well).
- Shift the post (1) in the sense required for attaining the
distance A = 0.1 mm.
- Tighten the screws (4 and 5) and check up for the correct
setting.
6 1
3
2
4 5
6
7
9
8
2
A
3
4
1
5
7