13
•
make sure the machine is in good working order,
•
check the condition of the hydraulic and pneumatic systems (replace components
if damaged, e.g. pressure lines),
•
make sure that the machine's pressure hose couplings fit into the sockets on the
tractor,
•
check the tightness of the individual bolts and nuts,
•
check the air pressure in the wheels in accordance with the manufacturer's
recommendations,
•
ensure that all components requiring lubrication are lubricated,
•
ensure that the pressure in the tractor wheels is the same on each axle to ensure
even operation.
4.1 Preparing the disc harrow
The disc harrow is usually delivered to the customer ready for use. However, due
to the limitations of transport facilities, it is also possible to deliver it in a partially
dismantled state - this usually involves disconnecting the shaft.
When the unit is first prepared for operation, its components (shaft) must be
assembled. To do this, place the disc harrow on flat paved ground in a position that
allows the shaft to manoeuvre. Use a lifting device to transport the shaft. Position the
arms in the harrow brackets and bolt together at the desired extension (Fig. 4 - No. 1),
then secure the arms with the pins in the ladders while adjusting the desired height
(Fig. 4 - No. 2).
NOTE! The correct procedure for mounting the shafts in the arm holders
requires that the bolts be evenly tightened diagonally, so that the entire
plane of the arm holders is adjacent to the plane of the shaft clamp
profile. This provides the most secure way of connecting the shaft arms to
the machine!
Fig. 3 Connection of the arms with shaft bracket.
Arms
Tubular shaft
Shaft clamp
