HI there
This trucks is a dc truck which uses the 2 zapi traction and pump controllers and the zapi EPS steering controller.
The truck works drive hydraulics and steer, the only problem is that when you drive the truck fast and turn the steering the steer wheel does not turn fast enough.
We changed the Zapi EPS steer controller, tried adjusting the steer sensitivity settings to max along with steer speed setting to max.
We then tried changing the steering unit the tacho sensor.
We checked the motor brushes all fine. Any suggestions would be appreciated as it looks like we are at a dead end with this one. Perhaps a setting in the steer unit but I cant see this as tried a different controller also off the same type of truck.
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