5. In order to ensure the pumping work of placing boom is at its best concrete pumps, you should do the followings:
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4. The biggest tilt angle when the concrete pump is placed horizontally is 3°. The bigger tilt angle will make the steering gear of placing boom overload and endanger the stability of the machine. If a certain supporting leg or several supporting legs have been away from the ground when the placing boom is moving, you must reset the supporting leg until all supporting legs always supporting on the ground reliably.
3. The main points of the pumping of concrete pump truck can refer to the using of concrete pump.
2. The concrete pumped by the concrete pump should meet the requirements of the pumpability of concrete pump truck.
1. Operators of concrete pump truck should receive the professional training before they can operate the concrete pump truck.