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gantry crane hook spreader

Points for attention of daily use and maintenance of gantry crane hook spreader

Engineering crane

  1. Spreader in the course of use, if the rotating lock is not flexible or not in place, the nut shall be checked and adjusted, and then the following parts shall be checked:

(1) whether the tension spring of the pawl is damaged, if damaged, it should be replaced;

(2) Whether the transmission mechanism is jammed, such as jammed, is badly lubricated, lubricating oil (or grease) should be added to the movable connection of the transmission mechanism. If the guide pin is too tight, should be appropriate to loose nuts. If the connection is loose, the transmission tube or other bar deformation, it should be corrected;

(3) whether the buffer spring tension is too small, if too small, you should shorten the length of the buffer spring connection rope.

  1. In the use of the spreader should to prevent the instructions on the indicator plate paint off. Once discovered, need to promptly fill the original signs of the paint.
  2. For the rope on the spreader, should be timely cleaning and coated with lubricants or grease, especially the wire rope bending.
  3. For the main force components, rings, spin locks, ear panels and cable shackles, in the normal use of clearance, at least every 3 months to check once, no cracks and serious deformation.
  4. All oil cups, including the ratchet mechanism oil cups, oil cups on the sliding bearing and the oil cups of the lock box, the main activities of the connection should be based on the use of timely filling lubricants.
  5. Always check whether the rope card is loose, whether the buffer spring is over-stretched and found the problem in time.
  6. Each spreader shall not exceed the rated weight, the buffer spring shall not be excessive stretching.
  7. Lifting process should be smooth lifting, to avoid the spreader and cranes or other equipment, such as the impact of each other and deformation.
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