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Maintenance of Jaw Crusher

Aug.05, 2021
Jaw crusher often as a force crushing equipment, the workload can be imagined, so the maintenance of the machine is very important. The following is a brief introduction of the maintenance rules and maintenance of jaw crusher:
1. Lubrication of jaw crusher
(1) regular attention and timely lubrication of the friction surface can ensure the normal operation of the machine and extend its service life.
(2) the lubricating grease used for jaw crusher shall be determined according to the place of use and the temperature conditions. In general, calcium base, sodium base and calcium base lubricating grease shall be used.
(3) add the grease in the bearing block to about 50% of its space volume and replace it every 3 to 6 months. Clean the roller bearing raceway with gasoline or kerosene when changing oil.
(4) before jaw crusher starts, an appropriate amount of grease shall be injected between the thrust plate and the thrust plate support.
2. Jaw crusher maintenance
In order to ensure the normal operation of jaw crusher, it is necessary to carry out planned maintenance, including routine maintenance inspection, minor repair, medium repair and overhaul.
(1) minor repair mainly includes inspection and repair of adjustment device, adjustment of discharge port clearance, and adjustment or replacement of worn liner. Check the transmission part and lubrication system to change the lubricating oil timely. The period of minor repair is about 1~3 months.
(2) in addition to minor repair work in the medium repair department, it also includes replacement of thrust plate, lining plate, inspection and repair of bearing bush, etc. The period of medium repair is generally about 1~2 years.
(3) in addition to the medium repair work in the overhaul department, it also includes the replacement of eccentric shaft and jaw shaft, casting of alloy of connecting rod head, replacement or repair of worn parts. Overhauls typically last about five years.

 

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