Krone Big Pack 1290 HDP, Original Operating Instructions, Page: 330 / 422

23 Malfunction, cause and remedy
23.3 Malfunctions on the double knotter
330
BiG Pack 1290 HDP XC
Original Operating Instructions 150000752_01_en
Malfunction (6):
The second knot (starting knot) just exists in the lower twine strand. No knot
has been tied in the upper twine strand.
Possible cause Remedy
6.1
The twine bar has been set
too far away from the upper
needle and was unable to
catch the upper twine strand.
„ Adjust the twine pusher in direction to the upper needle,
refer to page 208 , refer to page 209 .
6.2
The spring of the upper ten-
sioning arm is broken or dis-
connected.
„ Replace the spring (1) or fasten it in place again.
6.3
The upper tensioning arm
does not work properly.
„ Check the upper tensioning arm (2) for free space from top
to bottom, and align or place the central lubrication line (3)
elsewhere, if necessary.
6.4
The control of the upper
needle is defective. The roll is
not following the cam disc.
The upper needle does not
move down far enough.
„
Replace the roll (1) or ensure the upper needle is running
easily.
„
Check the spring (2).