Press button 2
– adjusts the memory cylinders internal stop
postion; this is best done on the ground. This controls drill depth.
Press button 3
– operates an auxiliary function where fitted, e.g
levelling board.
Press button 4
– operates the rear wheels only.
Press button 5
– turns the markers “off”. Therefore over – riding
the markers when doing head lands.
Press button 6
-
switches the markers back “on”.
Pulling the spool and not using any button operates the markers
only.
Be careful not to pull the spool lever in transport as
either:
The wings will be activated ,
The markers will be activated ,
Additional safety can be gained by pressing button 5 before
road transport, the will dis engage the electro – hydraulic
system, unless one of the other buttons is pressed.
Depth Control
The depth control is controlled from the tractor cab, by operation of the spool
valve.
As previously mentioned in the transport section, the depth control is
controlled direct from the spool. Now you are ready to set the depth.
It is recommended that when starting to drill the depth should be set and
checked after a number of metres and adjusted to suit.
There is a colour scale on the depth control ram, which is clearly visible from
the tractor; this is to give guidance. When the correct depth has been
achieved, use the stroke control segments to maintain this depth through out
drilling. (On machines without HLC)
15
Summary of Contents for Unidrill-W Series
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Page 38: ...DRIVE WHEEL LOWER COMPLETE 38...
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