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See Table 14 for the faults and troubleshooting methods when the cone crusher is working.
Table 14 Common faults and troubleshooting methods of cone crusher
| Serial number | Fault phenomenon | Possible Causes | Elimination method |
| 1 | Oil pump heating | Oil thick or low oil temperature | Change oil or warm |
| 2 | Oil pump works but low oil pressure | 1 oil suction pipe blocked 2 oil pump gear wear 3 pressure gauge is not allowed | Cleaning the oil pipe, replacing the oil pump or pressure gauge |
| 3 | The normal working pressure of the oil pump indicates normal but no oil return | 1 return oil pipe plug 2 return oil pipe slope is small 3 oil viscosity or low temperature | Clean the return pipe, increase the slope, change the oil, and warm |
| 4 | No oil or oil flow interruption in the oil level indicator, oil pressure drop | 1 oil pipe plugging 2 oil temperature is low 3 oil pump is not working properly | Clean the tubing system oil heating check repair oil pump |
| 5 | Reduced oil return and reduced oil in the fuel tank | 1 There is oil leakage under the crusher. 2 rows of oil grooves block oil from leaking out of the seal ring. | Stop inspection, eliminate oil leakage, adjust oil supply, clean or deepen oil drain |
| 6 | The cooler does not work or has little effect | 1 no cooling water or insufficient water supply 2 cooling system blocked | Open the water gate, normal water supply, check the water pressure gauge, clean the cooler |
| 7 | Return oil temperature is too high (>60 ° C) | 1The eccentric bushing friction surface produces harmful friction 2The bearing works abnormally 3The oil groove section is insufficient and blocked | Shutdown maintenance oil supply, cooling system friction surface, clean |
| 8 | There is oil in the water, there is water in the oil | 1The cooling water pressure exceeds the oil pressure. 2 The individual water pipes in the cooler are broken, and the water seeps into the oil. | The cooling water pressure was made lower than the oil pressure by 0.5 k/cm. , check if the cooler water pipe joint is leaking |
| 9 | The drive shaft rotates unevenly, the sound is not normal, the pulley rotates and the moving cone does not move. | 1 Bevel gear tooth installation defect, the axial clearance of the drive shaft is too large during operation and wear or damage 2 pulley or gear key damage 3 unbreakable material causes the shaft to break | Stop the gear change, correct the meshing gap and replace the spindle, strengthen the iron removal system |
| 10 | The crusher is strongly vibrated and the moving cone speed is increased. | 1 There is no oil or unclean between the main shaft and the bushing. 2 The movable cone sinks or the spherical bearing is damaged. 3 The tapered bushing has a small clearance. | Stop the inspection to find out the cause of cleaning, refueling repair or replacement adjustment gap |
| 11 | Increased bulk broken products | Movable cone wear | Adjust the small discharge port; replace the bracket |
| 12 | Great vibration during work | Insufficient spring pressure, more fine particles and sticky materials, uneven feeding, insufficient spring elasticity | Press or replace the spring, adjust the feed to the mine |
| 13 | Hear the crack when turning | The lining (moving, fixed) is slack, the screws or earrings are damaged, and the lining is not tight and impacts. | Shutdown inspection repair or replacement |
| 14 | Water-free in the water seal | Water seal water supply pipe is not normal | Stop to find out the cause of the water supply interruption |
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