ROLLAND ROLLFORCE - Page 23

Notice originale : Français NT0002 V –p – 03/2014
23
Pneumatic braking circuit
Element
Function
Illustration
Emergency relay valve
(ERV)
Ensures proper service braking as
well as automatic trailer braking in
the event of the trailer braking or the
lowering of pressure from the feed
pipes.
Static corrector
(optional)
For regulating braking pressure, and
therefore braking power, in
accordance with the vehicle’s state.
Relay valve
(optional)
Allows constant piloting of the
command circuit.
Brake release valve
Allows the release of the trailer
service brake after loosening the
automatic brake caused by
uncoupling the connecting pipes.
Reservoir + purge
Air supply tank under pressure.
Opening it allows moisture in the
circuit to be released.
Command coupler head
(yellow )
Allows braking commands between
the tractor and trailer.
Command coupler head
feed (red)
Ensures a constant feed between the
tractor and trailer.
Tank
Ensures service braking at the front,
and stationary braking at the back
through the double spring.
Pressure points
Allows circuit pressure to be
controlled
N.B : Braking can also be mixed( pneumatic hybrid hydraulic assembly) (Assembly
prohibited above 40 km/h)