PRONAR PT510, Operator'S Manual, Page: 72 / 133

Pronar PT510 SECTION 4
4.8
Controlling the valve, set the drawbar eye at such a height that one may safely
unlock and unhitch the trailer.
Lower the support.
Turn off tractor engine. Ensure that unauthorised persons do not have access
to the tractor cab.
Disconnect all hydraulic tipping system conduits from tractor.
Disconnect electric lead.
Disconnect pneumatic system conduits (applies to double conduit pneumatic
system).
Disconnect pneumatic conduit marked red.
Disconnect pneumatic conduit marked yellow.
Disconnect pneumatic system conduits (applies to single conduit systems):
Disconnect pneumatic conduit marked black.
DANGER
Exercise caution when unhitching the trailer from the tractor. Ensure good visibility.
Unless it is necessary, do not go between tractor and trailer.
Before disconnecting conduits and drawbar eye, close tractor cab and secure it against
access by unauthorised persons. Turn off tractor engine.
Disconnect hydraulic braking system conduits (applies to trailer version with
hydraulic braking system).
Disconnect electrical connection lead.
Disconnect hydraulic conduit.
Disconnect the conduits of the support hydraulic system.
Protect conduit ends with covers. Place conduit plugs in appropriate sockets.
Place chocks under trailer wheel.
Wheel chocks must be so placed that one is in front of the wheel and
the second is behind the wheel - see section 2, figure (2.1).