Safe Operation of Jib Crane

  1. No overload lifting;
  2. During operation process, no one is allowed to stand under the boom;
  3. Do not drag heavy objects (that is, when the lifted objects are not off the ground, do not press the enter and horizontal movement buttons);
  4. When the machine is used outdoors, reliable rainproof measures shall be added;
  5. The operating temperature of the machine is – 25 ℃ – + 40 ℃, and the humidity is ≤ 85%;
  6. It is forbidden to lift molten metal, toxic, inflammable and explosive materials;
  7. Before use, check whether the connection parts are firmly connected, whether the assembly meets the requirements, whether the power supply meets the requirements, whether the circuit is correct, whether the brake and limit device are sensitive and reliable, whether the rope guide is arranged smoothly, whether the running trolley is deviated, whether the wheel tread and guide rail are in good contact, etc., and correct the problems in time once found;
  8. Operators shall receive post training and work with certificates;
  9. It is not allowed to use the limiter to stop; it’s not allowed to adjust the brake and carry out inspection and maintenance when lifting heavy objects;
  10. Do not remove the safety device of the electric hoist;
  11. When the weight is close to or reaches the rated load, the test lift with small height and short stroke shall be carried out first, and then the minimum height shall be used for lifting;
  12. The steel wire rope on the drum must keep more than 3 safety rings;
  13. In case of any abnormal noise in use, the procedures of stopping first, checking later, troubleshooting and starting later shall be followed;
  14. Do not operate under any of the following circumstances: (1) Overload or unclear weight of objects; (2) The electric hoist has defects or damages that affect the safety work, such as brake and limiter failure, hook nut and anti loose device damage, wire rope damage reaching the scrap standard, etc; (3) The binding and hanging are not firm or unbalanced and may slide, and there is no pad between the edge of heavy object and wire rope, etc; (4)The operation site is dark, and the site and the hoisted objects cannot be seen clearly.







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