Renault Premium DXi 11, Service Manual

Page: 205 / 400

D1-3
Use of the equipment
If the fifth wheel is provided with an instruction plate, scrupulously follow the
directives it contains.
Checks on correct locking (visual and towing test) are vital. They avoid inad-
vertent unhitching of the semi-trailer and all serious consequences that may en-
tail. If the coupling has not been performed correctly, repeat the hitching
operation in full.
Vehicles equipped with double pivots: free the double pivot system when driving
on hilly ground.
Unhitching
Immobilize the semi-trailer on flat and stable ground.
Apply the parking brake and scotch the semi-trailer wheels with chocks.
Lower the landing legs and raise the semi-trailer to the coupling level.
Disconnect the red brake line, then the yellow brake line, in sequence.
Disconnect the electric and hydraulic lines and pipes.
Take the strain off the coupling by reversing the tractor very slightly and operate the handle
in the direction of "unlocking".
Move the tractor forwards.
Vehicles with air suspension: see page D1-9.