25
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 measureA = 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.
4
300
o
4
5
2
1
3 4
5
2
1
5
6
3
4
2
1
A
1,8 mm
3
2
1
1/2
1/2
