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ROLLAND ROLLTWIN - Page 18

ROLLAND ROLLTWIN
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Original instruction : French NT0002 V h 03/2012
18
Brake system :
The spreaders are equipped with three brake systems, each one assuring a specific
function.
When parking, use the mechanical hand brake. During the transport it is the
hydraulic brake that is used. The third system is a safety device for in case the
coupling breaks (a cord between the hand brake and a fixed point on the tractor).
Connect the safety cord in case of breakage of the coupling that operates the
parking brake. Check at the start of every season, the tension of the cable
connecting to the brake rods.
PROCEDURE
. Any trailer with a GVWR more than 1.5 tons is obligatorily
equipped with the braking device. It must be coupled to the
tractor braking system.
Hydraulic braking system :
Install the red hose (4) on the pressure outlet "BRAKES" on the tractor.
Ensure the proper functioning of control and check connections for leaks. Brake
pressure: 100 to 130 bar.
Reference
Element
Function
1
Brake drum
Ensures braking
2
Brake cylinders
Actuates the brake rods during transport
3
Brake cables
Is the link between the hand brake and
the brake rods
4
Hose (connected to the tractor)
Supplies the brake cylinders with oil
5
Parking brake
Hand brake
6
Coupling failure cord (attached to a
fixed point on the tractor)
Engages the handbrake should the
coupling break