Head Land Control
The system uses a single double acting service from the tractor to
provide individual or sequenced control over all functions of the
drill. The operation is as follows :- press a button to operate a
sequence or move a cylinder and simultaneously operate the
tractors double acting control valve
to
and
fro’
to achieve the
desired cylinder movement.
The sequence for each button is listed below :-
Press button 1
– standard head land turn - operates the
markers first and ensures the rear axle moves before the draw bar,
thus dis – engaging the drive wheel.
14
Summary of Contents for Unidrill-W Series
Page 1: ...1 August 1999...
Page 5: ...5...
Page 28: ...28...
Page 30: ...30...
Page 34: ...34...
Page 38: ...DRIVE WHEEL LOWER COMPLETE 38...
Page 46: ......