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1
244
o
2
6
3
A
7
6
9
3
5
4
3.5.3.1.3 Setting of the lower eccentric
The rotation of the eccentric (3) must be delayed in phase by 1/4
revolution against the rotation of the eccentric of the stitch length. This
corresponds to the angle of 244 ° on the handwheel (1), when the
setting pin (4) is put into the eccentric (3) which is in contact with the
indented belt (5).
- Set 244 ° on the handwheel (1) and lock it with the screw (2), which
is included in the accessory of the machine (tighten it carefully).
- Put the setting stick (4) into the hole in the eccentric (3) and prop it
from below against the indented belt (5).
- Set eccentric (3) axially.
- Tighten it the utmost the screws of the eccentric (6).
- By means of the handwheel, turn the eccentric (3) into the marked
position and check in this position the clearance „A“ = 0.05, proceed
eventually to its correction by a new side setting of the eccentric.
3.5.3.1.4 Setting the engagement and
1
The nut (7) is to be side set in such a way that the shifting of the
90
o
clutches is done at the moment when the clutch disks (3) do not move,
which means, when they are at the dead center of their oscillating
2
movement. This corresponds to the angle 90 ° on the handwheel.
- Loosen the screws of the indented pulley of feeding and shift it to the
left.
- Set the maximum stitch length.
- Set the angle 90 ° on the handwheel (1) and lock it with the screw
(2). which is included in the accessory of the machine (tighten it
carefully).
- Loosen three screws (6) in the nut (7) and unscrew it by 2 mm to the
left.
- Tighten slowly the nut (7), until it strikes against the axial bearing
(9). (At this moment, the tightening moment increases in jumps)
and tighten the screws (6).
- Set the the handwheel on 85 ° and push the backtacking lever, the
feeder is to turn against the movement of the needle. Set then the
handwheel on 95 ° , the feeder is to be turned in the sense of the
needle movement. If not being so, correct the side setting of the nut
(7). When the clutches shift too soon, turn a bit the nut (7) to the
right and inversely.
- Tighten the screws (6).
- Return the indented pulley in its original place according to the
paragraph 3.6.2.
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Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
disengagement of the clutches
Caution! Danger of injury!
Switch off the main switch! Before starting the setting
operation, wait until the motor stops!
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