Richiger EA 910, Operator'S Manual

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4) It is advisable to check direction once in a while
and if necessary correct the steering wheel so that the
tractor continues to be pulled back in a straight line. It
is very important to prevent the sweep auger
extremities from touching the bag sidewalls as this
could tear the plastic.
That is the reason tractor and machine should be
positioned in a straight line and aligned with the bag
when initiating labor. If noticed that the unloader is not
working aligned with the bag and that the auger
protection grids have either come into contact with the
plastic or are about to make contact, it may be too
late to correct the situation by steering alone.
When bags are filled on uneven terrain or the tractor
pulling the bagger swerves or the bagger's brakes are
adjusted while working, the bag can curve, and the
curvature can be quite sudden and pronounced. The
operator should watch for this while unloading and try
to follow curvature with the tractor's steering wheel as
far as possible to avoid contact of the augers with the
bag's walls.
CAUTION:
When not possible to correct misalignment by steering action only - in situations as described above - operation
should be halted and the unloader realigned before it ruptures the bag and grain is lost. It should be done as follows:
PTO is turned off and the roller is counter-rotated hydraulically to slacken off as much plastic sheet as may be
necessary to provide scope for maneuvers (there is no need to detach bag from roller for this specific correction).
Tractor and unloader are first driven forward to extract the sweep augers from the grain and then maneuvered to line
up straight with the bag, sweep augers placed next to the grain (not wedged forcefully into the grain) ready to initiate
work again once PTO and roller are reengaged.
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