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10.7.2 Setting the twine tension of the lower twine strand (double knotter)
Fig. 134
The twine brakes (1) for the lower twine strand are behind the packer under the bale channel
chamber.
You can increase the tension by turning the wing nut (2) tighter. To reduce the tension, loosen
the wing nut.
Pre-setting X= 70 mm
Testing the drawing tension:
1. Thread in the twine according to instructions.
2. Trigger the tying process manually with machine at a standstill.
3. Turn the needle yoke manually on the flywheel in working direction upwards until the
needles reached their upper dead point (refer to chapter “Upper dead point of the
needles”).
4. Tighten the flywheel brake to lock the needles in this position.
5. Pull the twine about 200 mm out of the needle and cut it.
6. Pull the strand of twine slowly and evenly until the twine tension springs have reached
their highest position under the channel.
7. As the twine is held, the twine tension springs must remain in this position without any
twine being able to be pulled back by the brake.
8. The brake must allow twine to slip through if there is a slight increase in the tensile force.
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