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MDP-C 7.5 ton suspended climbing frame electric hoist

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  • TAG :
  • electric hoist |
  • MDP-C 7.5 ton suspended climbing frame electric hoist |
  • Time:2023-11-03


    1. For newly installed or dismantled electric hoists, they should first undergo several empty car test runs. 

    But before the installation is completed, do not turn on the power for trial operation.

    2. Before normal use, a static load test should be conducted at 125% of the rated load, with a lifting distance of about 100 millimeters from the ground, for 10 minutes, and checked for normal operation.

    3. Dynamic load test is a repeated lifting and left-right movement test conducted based on the rated load weight. 

    After the test, the mechanical transmission part, electrical part, and connection part are checked for normal and reliable operation.

    4. During use, it is prohibited to use it in an impermissible environment, or in situations where the rated load and rated closing times per hour (120 times) are exceeded.

    During installation, debugging, and maintenance, it is necessary to strictly check whether the limit device is flexible and reliable. 

    When the hook reaches the upper limit position, the distance from the hook shell to the drum shell must be greater than 50mm (10t, 16t, 20t must be greater than 120mm). When the hook is lowered to the lower limit position, the steel wire rope fixing ring on the drum should be ensured, and the effective fixing ring must be at least 2 turns.

    6. It is not allowed to press two manual switch buttons simultaneously to move the electric hoist in the opposite direction.

    After completing the work, the main switch of the power supply must be opened and the power supply must be cut off.

    8. It should be operated by a dedicated person, and the operator should fully grasp the operating procedures. 

    It is strictly prohibited to pull or hoist at an angle.

    9. During use, specialized personnel must regularly inspect the electric hoist, take timely measures if any faults are found, and carefully record them.

    When adjusting the braking sliding amount of the electric hoist, it should be ensured that the braking sliding amount S&le is under the rated load; V/100 (V is the stable lifting distance within one minute under load)



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