Setting Of The Twine Brake - Krone Big Pack 890 XC Operating Instructions Manual
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Also See for Big Pack 890 XC:
- Original operating instructions (568 pages) ,
- Operating instructions manual (250 pages) ,
- Original operating instructions (418 pages)
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7.4 Setting of the twine brake
Single knotter
The twine brakes (2) are located in the twine box. The tying
twine (1) is held under tension by the setting screws (3).
Different types of tying twine may have different friction
properties. The drawing tension of the tying strand must be
checked when you start using a different type of tying twine.
It should always be set to a high enough level so that the
twine tension springs do not interfere with the swing angle.
The dimension "X" is based on the tying twine selected and
must be determined in each individual case by testing in the
twine strand. A pretension of the twine strand that is too high
may cause knotting errors and place too heavy a load on the
components involved.
Double knotter
Twine tension on the lower twine strand
For the double knotter design, the cord brakes in the
twine box should be set so that the cord is held stiff as it
moves along.
The actual twine brakes are located behind the feed
channel. The setting for the braking action is the same
as for the twine brakes above.
Testing the drawing tension:
1. Thread in the twine according to instructions.
2. Initiate the knotting process manually.
3. Move the flywheel in the working direction manually
until the tying needles have reached their upper dead
point.
4. Pull the tying twine about 200 mm out of the needle
and cut it.
5. Pull the strand of twine slowly and evenly until the
twine tension springs have reached their highest
position under the channel.
6. 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.
7. The brake must allow twine to slip through if there is
a slight increase in the pulling force.
VII - 6
2
3
1
x
BPXC0032
3
BP-VFS-016
BPXC0033
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