PRONAR PRONAR PDT260, Operator'S Manual

Page: 58 / 97

Pronar PDT260; PDT260C, PDT300; PDT 300C, PDT340 SECTION 4
4.14
To set the mower in working position:
•
set valves (1) and (2) of the tipping and lifting cylinders in open position „I” –
figure (4.6),
•
Controlling appropriate hydraulic circuits in the tractor, maximally extend the
tipping cylinder and withdraw the cylinder of the lifting arm.
•
Release lock (4) by pulling cable (3) and by operating the tractor's hydraulic
circuit, lower lifting arm with cutting unit so that the cutter bar is supported freely
on the ground Set tractor's hydraulic circuit in float position,
•
set tractor three point linkage at a height of approx. A= 400 mm - figure (4.7) so
that the pin is more or less in mid lock range (3).
4.5.2 SETTING CUTTING HEIGHT
FIG. 4.7 Setting cutting height
(1) cutter bar; (2) top link; (3) lock; (A) distance of lower link arms from ground - 400mm;
(B) cutter bar inclination 4
o
÷5
o