256HC Mast SectionOperation procedures for tower crane before and after use
1 before use, check whether the metal structure parts and appearance are in good condition, sound is normal during no-load operation, heavy load test braking is reliable, all safety limit and protection devices are complete and intact, action is sensitive and reliable before operation.
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2. When operating each controller, it shall be operated step by step, and it is strictly prohibited to operate beyond the gear. When changing the running direction, the operating handle shall be reset to zero, and the reversing operation shall be carried out after the motor stops rotating, so as to be stable as far as possible. It is strictly prohibited to start and stop the motor in an emergency.
3 during the operation of the equipment, if any abnormality is found in the machinery, it shall be stopped immediately for inspection, and the operation can only be carried out after troubleshooting.
4. It is strictly prohibited to work with certificate, work after drinking, replace parking operation with travel switch, work against rules and leave the work post without permission or hand over the machine to others for driving.
5 when loading heavy objects, they shall be kept away from the ground for a certain distance, and can be continued only after the brake is checked to be reliable.
6. Power off the lock box after operation.
Adhere to the principle of "ten no lifting", and the contents of "ten no lifting" are as follows:
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(1) Inclined crane does not lift
(2) Overload without lifting
(3) Do not lift the bulk if it is too full or not firmly strapped
(4) Do not lift without protective measures at the edge of lifting objects
(5) Do not lift when standing on the suspended object
(6) Do not hang if the command signal is unclear
(7) Components buried in the ground shall not be lifted
(8) Safety device fails to lift
(9) If you can't see clearly in dark light, don't lift
(10) No lifting in strong wind above level 6
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