Here is Loading Arm manufacturer talking about Can You Operate The Loading Arm.
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For users familiar with cranes, it must be clear that there is a kind of crane tube. Today, we will explain the operation safety regulations of the crane tube:


- The voltage is normal and does not exceed the rated voltage; the electrical switch and equipment grounding wire is normal.
- The fixed connection parts should be free of looseness;
- Lubricate the lubrication parts;
- Pull the pump shaft or pump coupling by hand, the impeller should have no grinding phenomenon and the rotation is flexible;
- Open the inlet valve, open the exhaust valve to fill the entire pump chamber with liquid, and close the exhaust valve.
- Jog the motor to determine if the steering is correct.
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