Section 6
Page 37
Service Training
6.3.6 Steering brake pivot wheel brake (f.v.)- 7A5
An electromagnetic device helps create and adjust the resistant torque at the handlebar/tiller level.
The resistant torque increases or decreases according to the truck traction speed, the handlebar/tiller
rotation speed and the steering angle.
It is a brake system with propellant controlled by a coil. This coil is supplied by a current between 5mA for
an almost negative torque and 750mA for the maximum torque. The current generated by the LES steering
varies according to the different parameters described above, the internal series resistance with the wheel
brake coil is 18 ohms.
The brake pivot box also contains the set value potentiometer.
Connector X13
Terminal
Colour Function
5 BU(330) Positive supply +24V
6 BU(328) Square signal according to hardness
WHEEL BRAKE SYSTEM (LORD)
LES
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