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5.4 Setting of the knife position in the direction
The forcing off screw (4) for setting the position of the trimming
device body is to be so screwed in , so that the knife touches the rear
edge of the gauge (2) supplied together with the machine.
1
- Remove the throat plate insert, see par. 3.3.2.
- Put back the throat plate (1).
- Slide in the gauge (2) into the hole for the throat plate insert and
- Engage with care the trimming device.
- Using the screws (3,4), set the knife in such a way, so that it slightly
- Disengage the trimming device.
- Tighten up the screws (3).
- Engage with care the trimming device and check its setting.
- Attach the throat plate insert, see par. 3.3.2.
4
- Check the knife setting, see Instruction manual, par. 6.15.
5.5 Setting of the knife side position (against
For correct function of the trimming device, for a long service life of the
knife and of the insert, it is necessary that the knife and the cutting edge
of the insert are parallel and that there is no clearance between them
and that the knife is not excessively pushed against the throat plate
insert.
5.5.1 Setting of the lateral knife position to the sides
- When engaging the trimming device, check the parallelism of the
- Loosen the screw (1) and, thereafter, tighten it slightly.
- Engage the trimming device.
- Set the knife using the screw (2)with regard to the throat plate insert
2
- Tighten up the screw (1).
- Tighten up the screw (2) by about 1/4 revolution in such a way, so
- Disengage and engage with care the trimming device.
- When the knife approaches slightly the edge of the throat plate
- Disengage the trimming device.
- Switch on the machine.
- Engage with care the trimming device.
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of sewing
Caution! Danger of injury!
Switch off the main switch. Before starting the setting
operation wait until the motor stops!
push it up to its rear edge.
touches the gauge with its rear edge.
The cutting knife must not strike, in its bottom dead
centre, with its cutting edge in the throat plate insert. In
its top dead centre, the trimming knife must not leave the
throat plate insert.
the cutting edge of the throat plate insert)
For a precise setting, a magnifying glass is to be used.
Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
knife and of the cutting edge of the throat plate insert. When needed,
carry out the necessary setting according to the par. 5.5.2.
in such a way, so that they touch slightly one another. (In loosening
the screw (2), the knife approaches the throat plate insert and in
tightening it, the knife moves away from the throat plate insert).
that the thread clearance is taken up.
insert, go ahead further, when this runs with difficulty, or when the
knife bends, repeat anew the previous proce-dure.
Caution! Danger of accieent!
With the trimming device engaged, do not put your fingers
under the trimming knife.
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