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SECTION 4
4.2 HITCHING AND UNHITCHING THE TRAILER FROM
TRACTOR
Ensure that pneumatic, hydraulic and electric connections and the hitch of agricultural tractor
are according to the Manufacturer's requirements, if not the trailer should not be hitched to
the tractor.
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.
Position agricultural tractor directly in front of drawbar eye.
Connect the conduits of the shear type support hydraulic system.
Set the drawbar eye with the aid of the support at such a height that it is
possible to hitch the machine.
Reverse tractor, hitch trailer, check coupling lock protecting machine against
accidental unhitching.
Turn off tractor engine. Ensure that unauthorised persons do not have access
to the tractor cab.
Connect pneumatic system conduits (applies to double conduit system):
Pull brake mechanism clockwise until resistance is felt – if trailer is
equipped with standard parking brake.
The conduits of the shear type support hydraulic system are marked
with information decals (4) and (5) – figure (4.1).
If the agricultural tractor is equipped with an automatic coupler, ensure
that the hitching operation is completed and that drawbar eye is
secured.
Connect pneumatic conduit marked yellow with yellow socket in
tractor.
Connect pneumatic conduit marked red with red socket in tractor.
4.5
Pronar T663/1 T663/1 SILO
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