Notes Of Telescopic Boom Crane Operation

 
When the boom is extended, should be extended out of two arm in the end. If the length of the boom is not enough, Should press the arm switch. And then third, forth, fifth arm synchronous extension. If the two arm is not stretched out and extend out of third, forth, fifth arm first, It is easy to cause the boom to bend or break.
1. When extending out of the boom, prevent the boom from exceeding the safety elevation.
2. When the boom is extended, should be extended out of two arm in the end. If the length of the boom is not enough, Should press the arm switch. And then third, forth, fifth arm synchronous extension. If the two arm is not stretched out and extend out of third, forth, fifth arm first, It is easy to cause the boom to bend or break.
3. On the basis of ensuring the stability of the whole machine, it is possible to choose the short boom working condition.
4. When the boom is telescopic with loading. Should comply with the original manual instructions with the quality of the provisions.
5. The lifting arm should be operated at the same time to keep the hook safe distance. Should pay special attention that, When hanging out of the boom, it will pull the hook close to the head of the lifting arm, and it should be used to observe the motion of the hook at any time.
6. For the program extension boom, you must make up the program number according to the rules, and the lifting arm can begin to scale.
Therefore,continuous operation for a long time, Attention should be paid to the oil temperature should be generally shall not exceed 75 ℃. Once the oil temperature is found high, the operation should be stopped, operate after the temperature drops.

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