Great Plains P17921E Operator Manual - Manual (Page 29)

29 UniPress
Operating Instructions
4. Adjustment / Operation
4.8 Work Instructions
Driving speed
The UniPress can be driven at speeds of
up to 12 km/h.
This depends on the field conditions (type
of soil, surface trash, etc.).
Drive more slowly if the conditions are
difficult or a firmer finish is required.
Beware of stones being thrown by
the spring action of tines returning
from their stressed state in work.
Parking the Machine
In order to avoid damage as a result of
moisture, the machine should be parked, if
possible, indoors or under cover.
When manoeuvring the machine,
pay attention to your surroundings.
Ensure that nobody (children!) is
in the manoeuvring area.
•Park the machine on level and solid ground.
•Fit wheel chocks.
• With the machine raised move the parking
stands into position.
• Lower the machine onto the parking stands
ensuring that it is stable.
• Remove the drawbar pin and drive forward
slowly until hitch is clear of tractor drawbar.
• Lower the drawbar to the ground.
• Switch off the tractor.
• Disconnect hydraulic lines from the tractor.
If parking on uneven or sloping
ground chock the machine
and unfold / lower first to avoid
instability.
4.9 Checks
The working quality depends on the
adjustments and checks made prior to and
during work, as well as on regular servicing
and maintenance of the machine.
Before beginning work it is therefore
important to carry out any necessary
servicing and to lubricate the machine as
required.
Checks prior to, and during
work:
• Is the machine correctly hitched up and
the coupling device locked?
• Have the hydraulic and electric lines
been connected according to the colour
coding?
• Is the machine in a level operating
position and the working depth set
correctly?
• Regularly inspect the machine for
damage and signs of overloading (stress
cracks on welded joints, frame distortion)
Working Elements
• Are the double disc rings and other
cultivation tools in a serviceable
condition?
• Are the scrapers still operable, so that
the rolls do not jam?