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4.4 Setting the fork
In the starting position of rest of the trimming mechanism, when the
holder (1) is in contact with the bracket (2), the axis of the fork (3)
must intersect the axis of the shaft (4).
Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
- Shift the shaft (5), until the holder (1) strikes the bracket (2).
- Loosen the screw (6).
- Shift the fork (3) in such a way that its axis intersects the axis of the
shaft (4).
- Tighten the screw (6).
4.5 Setting the moving knife
The moving trimming knife (1) is to be placed in its starting position
at rest with its end at the distance of the measure „A“= 0.1 to 0.5 mm
from the edge of the fixed trimming knife (2).
The height setting is to be such that its top surface is 1.8 mm below the
top surface of the throat plate.
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).
- Turn the moving trimming knife (1) in the sense of the arrow and set
it in height. Tighten the screw (5).
- Turn the moving trimming knife (1) into its starting position in such
a way that the measure„A“ = 0.1 to 0.5 mm is attained. Tighten the
screw (4).
4.6 Setting the height of the fixed knife and of the
retaining spring of the lower thread
The fixed knife (1) and the retaining spring (2) are fixed on the holder
(3). This holder is fixed with the screw (4) on the post of the hook (5).
In its height, the holder (3) is to be set in such a way, so that the top
surface of the fixed knife (1) is by 1.8 mm below the top surface of the
throat plate.
Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
- Loosen the screw (4).
- In shifting the holder (3) in the hook post (5), set necessary position
of 1.8 mm.
- Tighten up the screw (4), check the correct setting.
4.7 Setting the fixed knife
The fixed trimming knife (1) is to be tensed up using the screw (2) in
such a way, so that it bears against the moving trimming knife in the 1/
2 of its length. The knives need not to trim untensioned threads.
Caution! Danger of injury!
Switch off the main switch. Before starting the setting
operation, wait until the motor stops!
- Set the angle of 300 ° on the handwheel (4).
- Shift by hand the moving knife (3) into the marked position.
- Loosen the screw (2)ba hand, in shifting the fixed knife (1) set its
position, tighten then the screws (2).
- Check the bearing spot of the moving trimming knife (3) on the fixed
trimming knife (1) and give it a correction, if needed.
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