7 things you should know about jaw crusher

Jaw crusher is kind of important mining crushing equipment. In the operation process of jaw crusher, there might be some commonly seen faults, which will cause various problems of jaw crusher. Knowing how to solve these faults will effectively improve the working efficiency of jaw crusher. So in this article, we focus on commonly seen faults in jaw crusher and their solutions.

1. Problem: The jaw plates shakes and there is clash sound

Reason: The jaw plates loosen and the set bolts loosen or fracture.

Solution: To solve this problem, operator should stop the jaw crusher, and knock the fixed wedge by a hammer and then tighten the set bolts or change the broken ones.

2. Problem: There is clash in the supporting pad of toggle plate

Reason: The pulling force of spring is not enough or damaged, making the supporting pad of toggle plate damage.

Solution: To solve this problem, we need to adjust the pulling force of spring or change a new spring and change the supporting pad or toggle plate.

3. Problem: There is impulsive sound in the head of tie rod

Reason: The eccentric shaft bushing wears.

Solution: Scrapping the bushing again or change the worn bushing.

4. Problem: The final products size increases

Reason: The lower parts of jaw plates are badly damaged.

Solution: Adjust the discharge opening, reducing its size. Or change the side of upper side and lower side of jaw plates, or change the worn jaw plates with new ones.

5. Problem: After deducting iron, the tie rod swings back and forth and its spring loosen

Reason: When deducting iron, the toggle plate is damaged or rivet is cut off.

Solution: Change new toggle plate and strictly forbid uncrushable material enters the crushing cavity.

6. Problem: Toggle plate drops from supporting pad

Reason: The tie rod or its spring damages.

Solution: Change the worn spare parts and install the toggle plate.

7. Problem: The main body does not work after power on.

Reason: The motor burns down or breaks or the belt is too loose.

Solution: Maintain the motor or tighten the belt.