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Maintenance 7-5
2. Install the bolt (1), ring (3) and washer (2) in the hole of the cover and tighten it with a socket wrench.
Tighten firmly to prevent air leakage.
Close-up
1. Switch on the machine.
2. Manually drive the machine to the charger.
3. Unblock the cow traffic.
4. Put the machine into operation.
7.4 Clean the Ultrasonic Sensors
The ultrasonic sensors help the machine to navigate and to keep it on its route. It is important that you
clean the ultrasonic sensors regularly (the frequency depends on conditions of your farm).
Do not use a pressure cleaner to clean the ultrasonic sensors.
When it is difficult to get the manure off, first make the surface of the ultrasonic sensors
wet with a moist cloth, let the water soak the manure for a while and then wipe it off.
Do not use sharp objects to clean the ultrasonic sensors.
Figure 21. Clean the ultrasonic sensors
Preparation
1. Take the machine out of operation (see on page 6-4).
2. Manually drive the machine to a clean and quiet location with water supply.
3. Block the cow traffic.
4. Switch the machine off.
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