(2) work, it was not allowed to transport people or hook on the bridge.
(3) No operating permits and drink are not allowed to drive a crane.
(4) the operation must concentrate, not allowed to talk, smoking or doing things unrelated.
(5) To clean the car; allowed misplacing equipment, tools, flammable, explosive materials and dangerous goods.
(6) the use of a crane is not allowed supercharged.
(7) The following are not allowed lifting: bundling is not strong; mechanical overload; signal is unknown; stayed; buried or frozen objects in the ground; it was on was hanging objects; no security measures flammable, explosive devices and dangerous goods; overfilled liquid items; rope does not meet safety requirements; lifting mechanism is faulty.
(8) Crane runs on the line when there is no obstacle, hook or hanger and hanging objects underside, must more than 2m from the ground. If you cross the barrier, should be more than 0.5m tall obstructions.metallurgical electric hoist
(9) for lifting the weight of less than 50% of rated items, allowing simultaneous operation of both institutions; hanging from the weight of more than 50% of the rated items, only can an agency action.
(10) has a main and auxiliary hook bridge crane, do not increase or decrease the main and auxiliary hook (special exception) at the same time.
(11) allowed or hammering and welding work on the object to be lifted the following items (if you can support).
(12) must be after a power outage and when power switches wears a sign the job before inspection or repair work done. If you must live operations, there must be security measures to protect and have someone care.
(13) can not just throw things down from the car.
(15) not allowed to touch the limit switch as a parking solution.
When there is a problem (16) lift brakes, lifting weights is not allowed.
(17) was hanging objects are not allowed to run in person or over the equipment.
(18) when the crane unit of welding, to specifically set the ground, do not allow the use of body ground.
(19) The hook is in the lower limit position, must retain more turns on the reel safety ropes.
(20) does not allow the crane bumped, but does not allow the use of a crane to promote another crane to work.
(21) lifting heavy objects, liquid metal, when explosive and dangerous goods must be slowly lifted from the ground 100 ~ 200mm, brake test reliability.
(22) Repair and examination lights, the voltage must be less than 36V.
(23) All electrical equipment overhead crane enclosure should be grounded. Such as trolley track is not in the main beam welding, welding ground measures should be taken. Grounding line can be greater than the cross-sectional area of 75mm2 bare copper or galvanized flat iron or greater than 30mm2 10mm2 galvanized round. Ground position or crane cab body should be more than two. Ground resistance to any point on the power neutral between crane shall be less than 4Ω.
(24) to have regular check security technology, good pre preparatory work.
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