The working condition of jaw crusher is harsh and incorrect operation or mistake made in the process of operating often cause accidents. Practices have proved that it is very important to operate the equipment in strict accordance with the rules of operating to ensure the machine run properly as well as improve the production capacity of machine. Jaw crushers with different structures and different specifications will have slight differences in operation instruction, but the basic principle is of the same. Here are the basic operation method large-, medium-sized jaw crushers.
The Jaw Crusher before Starting Should Make Following Preparations:
1. Carefully check whether the main parts of the jaw crusher are in good condition, and whether the adapting pieces like fastening bolts are loose, and whether the outer cover of belt pulley is complete, as well as whether there is collision or an obstacle of transmission devices.
2. Check whether auxiliary equipment such as feeder, belt conveyor, electric equipment and signal equipment are in good condition.
3. Examine whether the crushing cavity has material. If there are large pieces of ore or sundries in the crushing cavity, it is needed to clear up to ensure the crusher will start up under no-load condition.
4. Starting capacity of some jaw crusher motors is less than the needs of the jaw crusher itself, and the flywheel can be turned to a certain angle with the crane in order to make the connecting rod be in the most conducive position to start, namely the most upper of eccentricity in the rotation center line of the eccentric shaft.
5. For large and medium-sized jaw crusher, we should check the oil mass of the oil box before initiating, and offer supplementary lubricating oil when necessary. Then start the pump, and supply oil for each bearing lubrication parts of jaw crusher. Only after oil return pipe has oil return (usually need to 5 a 10 min) and the pointer of oil pressure gauge in normal operating pressure value can start the jaw crusher. In winter, if there is no heating equipment in the factory, we should close oil preheated switch first to make the oil preheat to 15 ℃ ~ 20 ℃and then start the oil pump.
6. The jaw crusher where there is usually cooling water device on lubrication parts like eccentric bearing should open circulating cooling water valve in advance.
7. After preparing for the above works, give out a signal to drive the car. After getting the agreement of the next working procedure can drive a car.
In addition, keep in mind that the preparations before the jaw crusher start working, maintenance and keeping are important as well.
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