Hydraulic Steering System Operation - PRONAR T286 Operator's Manual

SECTION 4

4.11 HYDRAULIC STEERING SYSTEM OPERATION

In order to ensure proper operation of the hydraulic steering system and safe use of the
trailer, suitable and certified tractor hitches according to ISO 26402:2008 should be used.
During the first hitching of the trailer to the tractor, check correctness of operation of the
wheel steering system. If system operation is found to be incorrect, follow these steps:
FIGURE 4.9 Hydraulic hand pump
(1) oil tank, (2) hand pump lever, (3) hydraulic valve, (4) pressure gauge, (A) open position,
(B) closed position
Hitch trailer to tractor using drawbar eye and ball control hitch and
then, secure the drawbar,
open two valves (3) located near the hand pump - figure (4.9),
drive the tractor with the trailer attached at such a distance as to
position the trailer wheels for forward driving,
fill the system by means of the pump using hand lever (2) until
each pressure gauge (4) indicates pressure of 80 bar,
4.41
Pronar T286