PRONAR T900, Operator'S Manual, Page: 80 / 153

Pronar T900 SECTION 4
4.12
ATTENTION
To ensure correct operation of the trailer's suspension, the hydraulic cylinder rods in
unloaded trailer should be extended to half the length of the stroke (100mm).
The trailer must not be used when the hydraulic cylinders are set in the extreme
positions.
Travelling with the front axle raised is allowed only when the trailer is empty.
4.3.3 THE FIRST ADJUSTMENT OF THE DRAWBAR HEIGHT
Drawbar position can be adjusted by changing the position of the rocker arm lug (5) with
regard to drawbar fixing plate (3) to a proper height.
FIGURE 4.2 Adjusting the drawbar height
(1) drawbar, (2) front beam, (3) drawbar mounting plate (4) spring rocker arm, (5) rocker arm
lug, (6) rocker arm lug securing bolts (7) rocker arm pin
To set the drawbar, proceed as follows:
immobilise trailer with parking brake,
prevent the trailer from rolling by placing chocks under the wheels,