The concrete mixer shall be installed on a solid and flat ground to prevent dumping due to ground subsidence.
Before operation, all systems of the machine shall be inspected according to the procedures of cleaning, fastening, lubrication, adjustment and anti-corrosion to make them meet the requirements; The hidden danger of accidents must be eliminated in time.
For concrete mixer driven by electricity, proper fuse and grounding device shall be installed for power distribution equipment to ensure the safety of electrical system.
During the operation of the concrete mixer, do not let the sand fall into the running part of the machine to avoid the parts being stuck and damaged.
After lifting the hopper, no one is allowed to pass or stay under the hopper. If it is necessary to overhaul under the hopper, stop the machine, cut off the power supply and hang the hopper firmly with a safety chain. The feed hopper should be put down slowly to avoid falling too fast, damaging parts or failure.
It is not allowed to stop without reason before discharging, and it is not allowed to start after feeding, and the feeding amount shall not exceed the specified capacity.
No feeding is allowed before the feeding hopper stops stably.
The concrete mixer body must be installed stably and firmly. Before working, check whether the clutch and brake are flexible and reliable, whether the wire rope is broken and damaged, whether the protective device is complete and reliable, and carry out trial operation; If the mixing drum rotates smoothly, does not jump, does not deviate, the hopper up and down and the discharge door rotate flexibly, the hopper under the cam mechanism is normal, the work can be carried out. Overload use is prohibited; It is forbidden to put hands or other objects into the mixing drum to fiddle, clean and repair during the operation of the machine.
In case of sudden power failure or failure during full load operation of concrete mixer, the material in mixing drum shall be removed manually, and then it shall be inspected or repaired. It is not allowed to start the concrete mixer at full load to prevent the motor from being damaged due to excessive current.
If operators have to enter the mixing drum for cleaning or maintenance, they should strictly control the power supply to prevent accidents.
After mixing, the concrete mixer shall be cleaned in time to prevent concrete caking. When cleaning, electrical equipment should be protected from moisture. Cleaning must be carried out after power failure to prevent electric shock.
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