1. When the temperature of the main bearing is too high; it may be that there is insufficient grease, so you need to add an appropriate amount of grease; if the grease is contaminated, you need to clean the bearing and replace the grease; if the bearing is damaged, you need to replace it Bearing.

2. When the discharge size is too large; it may be that the crushing teeth are worn excessively, so the crushing teeth need to be replaced or surfacing welded; if the side teeth are worn or fall off, replace them.

3. When the vibration of the gravel crusher increases; the bearing may be damaged, replace it; the gear coupling is damaged, replace it;

4. The processing capacity is reduced or the power is insufficient. If the hydraulic coupler leaks, then add a certain amount of No. 22 turbine oil or No. 6 hydraulic transmission oil. If the coupler is broken, it needs to be replaced with a new one; if the feed is uneven, then adjust the feed.

5. When automatic reversal cannot occur; the sensor is installed incorrectly or is damaged, adjust or replace the sensor; if the sensor lead or wiring is loose, connect the lead or tighten the wiring.

6. When the sensor protection system fails; the proximity switch is damaged or the wiring in the electric control cabinet is loose, then the switch needs to be replaced or the wires must be connected according to the wiring diagram.