Hydraulic brakes of trailers
Connecting and disconnecting quick couplings of trailer hydraulic brakes
When connecting and disconnecting quick couplings, take increased care with regard for
remaining oil which remains in the socket or in the plug of quick coupling. For ecological reasons, it
is necessary to remove this remaining oil after every disconnection of quick couplings with any
textile material.
The socket for connection of the electrical installation of the trailer or semi-trailer
Connect the hydraulic brakes of the trailer or semi-
trailer to the quick coupler marked with an arrow.
The control of the hydraulic brakes of trailers (semi-
trailers) and the control of the tractor brakes is designed in
such a way that the braking effect of both vehicles is
synchronized. The working pressure is generated by the
oil supplied by permanently running hydraulic gear pump.
The trailer brake valve is controlled depending on the
force applied on the brake pedal. At maximum depression
of the brake pedal, the pressure on the clutch head must
be 12 - 15 MPa. The trailer brake valve prefers the brake
function over the hydraulic function.
If there are shocks in the hydraulic circuit lines, when the
foot brake pedals are depressed, it is necessary to bleed
the hose from the brake valve to the quick coupler.
When driving with a trailer or semi-trailer
attached, the foot brake pedals must be connected
and locked!
When braking with one brake pedal, the hydraulic
trailer brakes are not engaged.
PCLPN045
The socket for connection of the electrical installation of
the trailer or semi-trailer is located in the rear part of the
tractor.
Behind the bracket of the socket there is a conductor
enabling control of the hand brake for trailers and semi-
trailers with the brake hydraulic system.
PHSPN009
OPERATION
86
Содержание Proxima CL 80
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