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02-1481-00-00.fm
Operation
2.2.18 Steering
General
Do not turn the steering wheel to full lock for more than 15 seconds. A
continuous full lock causes the servo pump to intensely heat the hydraulic
oil. This can damage the servo steering system.
Each time that the steering is turned to full lock while the vehicle is at a
standstill is also indicated by noise due to the heavy strain on the servo
pump. In addition, the idle speed of the engine is reduced for a short time.
Danger
Turning the steering wheel requires greater effort if the power
steering fails – emergency steering. Take this into account,
especially when towing the vehicle. There is a risk of
accidents!
•
Only drive the vehicle as far as the next possible stop. Only
emergency steering is possible.
•
Adapt the towing speed to the altered steering behaviour!
Fig. 71:
Danger
If the power steering oil level / hydraulic oil level warning
light
lights up, this may indicate a failure of the
hydraulic steering. There is a risk of accidents!
•
Reduce the vehicle speed immediately.
•
Drive slowly to an authorised workshop.
•
Rectify (or have rectified) the cause of the oil loss.
•
Check the hydraulic oil level in the tank and correct if
required.
Note
The steering system is only operational when the engine is
running. In the event of a failure of the diesel engine or of the
hydraulic power steering (e.g. failure of the pump drive), the
vehicle can still be steered – emergency steering function.
Check emergency steering before driving the vehicle: Always
check the steering before driving with the vehicle to ensure
the steering system works correctly at all times. With vehicles
with four-wheel steering, check the steering in steering mode
four-wheel steering. Turn the steering wheel to the left and
right when the diesel engine is switched off. It must be possi-
ble to turn the steering wheel with increased force and the
wheels must follow the steering movement. With four-wheel
steering, pay special attention to the synchronous steering
behaviour between the front and rear axle. Furthermore,
check the steering system visually for leaks. If a point is not
fulfilled during the test, only move the vehicle slowly and have
an authorised workshop eliminate the fault.
Summary of Contents for Citymaster 2200
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