Krone 870 HDP, Оригинальная инструкция по эксплуатации, Страница: 263 / 568

Settings
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19.8 Checking / Setting Twine Bar
The twine bar moves the twine away from the needle and pushes it against the knotter hook. If
the twine is not grasped by the twine bar, the knotter hook cannot pick-up the twine.
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19.8.1 Checking / Setting the Twine Bar to the Lower Needle (Needle Yoke)
If the twine bar to the lower needle is set, the settings described in chapter Settings “Checking /
Setting Twine Bar to the Channel Slot” and “Checking Twine Bar Overreach on the Second
Knot” must be performed.
2
1
3
4
4
1
Fig. 184
Prerequisite:
– The twine shaft is released, refer to chapter Settings “Tensioning / Releasing Twine Bar
Shaft”.
– The tying process is triggered manually; refer to chapter Operation “Triggering Tying
Process Manually”.
Checking twine bar
• Turn the flywheel manually in the working direction until the lower needle (1) (needle yoke)
is just in front of the twine driver (2).
• Tighten the flywheel brake.
• Pull the cotter pin and swing up the knotter, repeat the process for all knotters.
• Swivel the twine bar (3) to the middle of the lower needle (1) by turning the twine bar shaft
and measure the dimension “a”.
If the dimension “a” is 2 - 4 mm, the twine bar is correctly set.
If the dimension “a” is not 2 - 4 mm, the twine bar must be set.
Setting twine bar
To do this:
• Loosen the nuts (4)
• Move the twine bar (3) until the dimension “a” is 2 to 4 mm.
• Tighten the nuts (4).
• Swivel the knotter down and secure with cotter pin.
Repeat this process for all twine bars.
• Release the flywheel brake.
• Finish the tying process manually; refer to chapter Operation “Finishing Tying Process
Manually”.
• Tighten the flywheel brake.
• Tighten twine bar shaft, refer to chapter Settings “Tightening / Releasing Twine Bar Shaft”.
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