Krone Big Pack 1270 XC, Original Operating Instructions

Page: 223 / 448

Settings 16
Checking/setting the upper needle 16.9
BiG Pack 1270 XC
Original Operating Instructions 150000748_01_en 223
16.9 Checking/setting the upper needle
For „double knotter“ version
BP000-181
ü
The upper needle is tensioned.
ü The twine pusher shaft is tensioned, refer to page 228 .
„
Simulating a big bale, refer to page 222 .
„
In order to tighten the tensioning arm (1), pull back the upper twine (3) in front of the twine
guide eye (2).
„
Trigger the tying process manually with machine at standstill, refer to page 123 .
„ Turn the flywheel manually in working direction until the upper needle (4) raises, refer to
page 124 .
„
Turn the flywheel manually in the working direction until the knotter needle (5) nearly
touches the upper twine (3).
ð At this point in time, the upper twine (3) must be centred in front of the knotter needle
(5).
If the upper twine is not centred in front of the knotter needle:
„ Align the upper needle by using a mounting lever until the upper twine is centred in front of
the knotter needle.
If the upper twine is centred in front of the knotter needle:
„ Keep turning the flywheel manually in working direction until the knotter gearbox is in idle
position,
refer to page 124 .
Æ
The knotting process is finished. The upper twine moves slightly to the right while the
flywheel continues to rotate. This is structurally determined as the knotter needle guides the
upper twine into the blade lever.