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Manual centring of the trailing axle
Driver's area controls
Manual centring of the trailing axle
M54.00-1758-71
“Pull-away aid active” indication display (2) on the display screen goes out.
Note:
The pull-away aid is deactivated automatically as soon as the bus travels faster than 20 mph (30 km/h). “Pull-away aid active” indication display (2) on the display screen goes out.
Manual centring of the trailing axle
Electrical system on
Bus travelling less than 12 mph (20 km/h)
Note:
If the trailing axle is centred, the rear end of the bus will swing out less and the turning circle (w to w) will increase.
Note:
The trailing axle is always centred automatically whenever the bus is travelling faster than 20 mph (35 km/h).
Note:
Without manual centring, the trailing axle is steered fully in proportion to the front axle at speeds of up to 12 mph (20 km/h).
Note:
Without manual centring, the steering angle of the trailing axle is continuously returned to 0° at a speed of between 12 mph (20 km/h) and 20 mph (35 km/h).

M54.00-1759-71
Press and hold the upper section of pushbutton (3) until the indicator lamp lights up.
The trailing axle is centred parallel to the driven axle.
Note:
Manual centring is cancelled as soon as the bus travels faster than 25 mph (40 km/h). To restore manual centring at speeds of below 20 mph (35 km/h), it is necessary to press switch (3) again.

M54.00-1760-71
The following appears on the display screen: “Trailing axle centring in progress” (4). Press and hold the lower section of pushbutton (3) until the indicator lamp goes out. Manual centring below 20 mph (35 km/h) is cancelled.
M54.00-1760-71
“Trailing axle centring in progress” indication display (4) on the display screen goes out. Driver's area controls
Manual centring of the trailing axle
Note:
Indicator lamp (4) flashes if the control unit does not detect a defined axle position (there is no malfunction).
Note:
Indicator lamp (4) stops flashing when the control unit detects a defined axle position again.