Krone Big Pack 4x4, Руководство оператора

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Malfunctions - Causes and Remedies
295
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No
. Malfunction Cause and/or remedy
6
Second knot: (Starting knot) Knot is present
only on the lower twine strand (no knot on
the upper twine strand). 6.1
Cause:
The twine bar is adjusted too far away from the
upper needle and was unable to catch the upper
twine strand.
Remedy:
Set the twine bar in the direction of the upper needle.
CAUTION:
When setting the twine bar, check for
collision with the upper needle and the knotter needle
(refer to chapter "Setting the twine bar (double knotter)").
6.2
Cause:
Spring of the upper tensioning arm broken or
disconnected.
Remedy:
Replace the spring (1) or fasten it in place again.
6.3
Cause:
The tensioning arm does not work correctly.
Remedy:
Check the tensioning arm (2) for free space from top to
bottom, and align, if and when necessary or place the
central lubrication line (3) elsewhere.
6.4
Cause:
Control unit in upper needle defective. Roller is not
following the cam disc. The upper needle does not
move down far enough.
Remedy:
Replace the roller (1) or ensure the upper needle is
running easily. Check the spring (2).
6.5
Cause:
Blockage of the upper twine run.
Remedy:
Check the twine run from the knotter to the twine roller in
the twine box inclusively.
6.6
Cause:
Twine tension on the upper twine strand
Remedy:
Undo the twine brake (1) in the following way:
•
undoing the spring (2) by about one to two turns of
the winged nut (3) (cf. malfunction no. 2.2.)
6.7.
Cause:
Holding force of the twine retainer is too low.
Remedy:
Readjust the twine retainer (cf. malfunction no. 2.2).
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