PRONAR T680, Operator'S Manual, Page: 75 / 147

SECTION 4 Pronar T680
4.5
In order to hitch the trailer to the tractor, perform the actions below in the sequence
presented. Machine must be immobilised by parking brake.
Hitching to tractor
Immobilise trailer with parking brake.
Pull brake mechanism clockwise until resistance is felt.
Position agricultural tractor directly in front of drawbar eye.
Set the drawbar eye or the upper transport hitch at such a height as to enable
hitching the trailer.
Reverse tractor, hitch trailer, check coupling lock protecting machine against
accidental unhitching.
If the agricultural tractor is equipped with an automatic coupler, ensure
that the hitching operation is completed and that drawbar eye is
secured.
Turn off tractor engine. Ensure that unauthorised persons do not have access
to the tractor cab.
Connect pneumatic system conduits (applies to double conduit systems):
Connect pneumatic conduit marked yellow with yellow socket in
tractor.
Connect pneumatic conduit marked red with red socket in tractor.
Connect pneumatic system conduits (applies to single conduit pneumatic
system):
Connect pneumatic conduit marked black with black socket in tractor.
Connect hydraulic brake system (applies to trailer version with hydraulic
brake).
Hydraulic brake system conduit is marked with information decal (13)
– table (2.1).
Connect the connection lead of the valve (6) – figure (3.7).
Connect hydraulic tipping system conduits.