Introduction
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3.11.4
Functional Description of the Big Pack Baler
As a drive, the BIG PACK square baler requires a tractor with a power of 130 kW or higher.
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The BIG PACK square baler can be hooked into the hitch coupling or the swing drawbar. The
height of the drawbar can be adjusted so that the Big Pack square baler can work horizontally.
The BIG PACK is driven by a cardan shaft which transmits the torque coming from the tractor
via a flywheel (11) to the main gearbox (12). The maximum input speed of 1000 rpm must not
be exceeded, because this could cause the machine to be damaged.
The cardan shaft has a wide-angle joint at the tractor end. The operating instructions intended
for the cardan shaft are located on the cardan shaft.
Before the Big Pack square baler is started up, the operating instructions of the cardan shaft
must also be read. This manual deals with shortening the cardan shaft and any repair and
maintenance work.
The 2.4 m wide pick-up (2) picks up the crops. A height-adjustable roller crop guide (1) and the
conveyor roller ensure trouble-free pick-up and help to avoid blockages. The crop is conveyed
by 2 auger conveyors (3), located on the left and right side of the pick-up to the cutting rotor
(14), through the blades (15) to the packer drum (13).
The pick-up can be raised and lowered by the tractor hydraulics. The height of the pick-up guide
wheels can be adjusted to achieve an optimum pick-up height for the pick-up.
The feed packers (4) fill the feed channel chamber. The feed packers work to collect the crop in
the conveyor channel. The filling level in the feed channel chamber is sensed by the sensing
rake (16). When a certain filling level is reached, the sensing rake swings back and the feeder
packer (5) takes over the process of moving the crop into the bale channel chamber.
The crop is compressed by the baling ram (6) in the bale channel chamber to form a highly
compacted big bale. The length and naturally also the density of the big bales can be adjusted
continuously. In this way big bales (8) can be generated according to widely differing
requirements.
The baling ram force is controlled electronically by hydraulic cylinders (9) on the baling channel
flaps. Once the set baling length is reached, the knotter mechanism is released by the star
wheel projecting into the bale channel chamber.
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The big pack square baler features 6 knotters (7). The big bales are unloaded through a bale
chute (10).
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Содержание Big Pack 4x4
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