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Common fault cause analysis and solution of sweeper
Date :2015-08-03 Views :874
| Fault phenomenon | Possible cause | Elimination method |
| 1, no suction capacity | (1) The garbage compartment is fully loaded | Discharge of refuse |
| (2) The suction mouth or straw is blocked | Removal of blocking refuse | |
| (3) The rear small door is not closed | Close the back wicket | |
| ⑷ Fusible plug of hydraulic coupling melts | Replace fusible plug and fill oil as required | |
| (5) Suction cover is not opened | 打开 | |
| 2. The suction is weakened | (1) The suction pipe is partially blocked | Removal of blocking refuse |
| (2) Belt slip | Tighten the tightening wheel | |
| (3) The other side of the suction cover plate is not tightly covered | Repair and adjustment | |
| (4) The other side of the suction hose port is not covered | shroud | |
| (5) The filter screen behind the dustbin is partially blocked | Clean up | |
| ⑹ Fan adjustment ring position deviation | Reset as required | |
| With the decrease of oil in the hydraulic coupling, the speed of the fan slows down | According to the slip 3-4%, the amount of refueling is required (5.6L） | |
| ⑻ fan outlet and inlet seal damaged, leakage | Replace seal | |
| Engine speed is incorrect, slow | Adjust the speed as required | |
| The rear hatch door sealing strip is damaged and leaking | Replace the sealing rubber strip | |
| 3, the secondary engine ignition difficulty | ⑴ Fuel tank fuel is not enough | Three checks should be made before leaving the car |
| (2) There is air in the fuel pipeline | Air removal | |
| (3) Extinguishing position does not return | Inspection and maintenance | |
| (4) Ignition oil supply is not correct | Adjust the ignition oil supply Angle | |
| 4, secondary engine starter stop | (1) The battery has no power | Change the battery or charge it |
| (2) Battery connection is poor | Inspection and repair | |
| (3) Ignition switch failure | Inspection and repair | |
| (4) Starter motor failure | Inspection and repair | |
| 5, auxiliary engine running but not starting | ⑴ Insufficient fuel tank oil | Check and replenish fuel |
| (2) The connection of the pipeline is loose or blocked | Inspection and repair | |
| 6, the auxiliary engine starts but does not grow | (1) Adjust cylinder stuck | Inspection and repair |
| (2) Adjust the fall of the wire rope | Inspection and repair | |
| (3) Insufficient air pressure | Check the air pressure and adjust it according to regulations | |
| (4) The intake pipe or filter is blocked | Check and clean | |
| 7, the engine water temperature is high | ⑴ There is no water in the water tank | Repair leaks |
| (2) Insufficient engine oil | Three checks should be made before leaving the car | |
| (3) Engine cylinder cushion gas | Replace the cylinder pad | |
| ⑷ Thermostat failure can not be opened | Check and replace | |
| 8, the side brush speed is low | (1) Slower secondary engine speed | Check and adjust |
| (2) The oil amount of the hydraulic coupling is too little, and the slip of the transmission box is increased | Replenish oil as prescribed | |
| (3) Hydraulic system leakage | Inspection and repair | |
| ⑷ The hydraulic oil temperature is too high | Check the cause | |
| 9, the side brush does not turn | ⑴ Connecting bolt of oil pump connecting shaft is broken | Check and replace |
| (2) Hydraulic motor failure | Inspection and repair | |
| (3) The solenoid valve is faulty | Inspection and repair | |
| 10, the side brush can not be locked after recycling | ⑴ Lifting steel wire length is not appropriate | Check and adjust, there should be a little activity in the lifting position |
| (2) Self-locking cylinder failure | Inspection and repair | |
| 11, the side brush is not recycled | ⑴ Solenoid valve or electronic control failure | Inspection and repair |
| ⑵ Power cable fault | Inspection and repair | |
| (3) Self-locking cylinder failure | Inspection and repair | |
| ⑷ Lifting steel wire damage | Check and replace wire | |
| 12, the side brush can not open | ⑴ Solenoid valve or electronic control failure | Inspection and repair |
| (2) Self-locking cylinder failure | Inspection and repair | |
| (3) Low oil pressure | Checks are adjusted according to regulations | |
| 13, wide brush speed slow | ⑴ secondary engine speed slowed down | Adjust the speed according to the regulations |
| (2) The oil amount of the hydraulic coupling is reduced, and the slip of the transmission box is increased | Replenish oil as prescribed | |
| 14, wide brush does not rotate | ⑴ Oil pump does not work | Inspection and repair |
| (2) Drive joint wear | Inspection and repair | |
| (3) Bearing damage | Change bearing | |
| (4) Solenoid valve or electronic control failure | Inspection and repair | |
| 15, wide brush bounce | (1) Insufficient ground pressure | Adjust the pressure regulator |
| (2) The brush body is bent | Replace the brush body | |
| 16, wide brush can not be lifted | (1) Insufficient air pressure | New adjustment |
| 17, wide brush does not fall | (1) Air valve or electric control failure | Inspection and repair |
| (2) Two pressure regulating valves or shuttle valves are faulty | Inspection and repair | |
| 18, water nozzle no water | ⑴ nozzle blockage | Cleaning nozzle |
| (2) The pump belt is loose, worn and broken | Check tightening and replacement | |
| (3) The water filter is blocked | Clean the water filter | |
| (4) Water valve or electronic control failure | Inspection and repair | |
| 19. Insufficient water pressure | ⑴ safety valve failure | Inspection and repair |
| (2) The water system pressure is low | Adjust the safety valve pressure | |
| 20, fan abnormal sound | ⑴ Friction between the wind blade and the wind casing | Remove the blades to adjust the clearance |
| (2) The fan bearing is damaged | Check that the bearing model 6312 is replaced | |
| (3) The bearing seat of the fan lacks lubricating oil | butter | |
| 21, the fan speed is not enough | ⑴ belt slip | Adjust the tension wheel |
| (2) Insufficient engine speed | Adjust the general working condition of the auxiliary machine to 1600r/min | |
| (3) Insufficient oil in the coupler | Add steam turbine oil (20 # turbine oil), and the applicable oil amount of the coupling is 6.8L, slip ≤ 4% | |
| 22, the box tail door seal is poor | ⑴ The rear door surface is uneven | Repair plane with putty |
| (2) The rear door sealant is deformed | Replace rubber strip | |
| 23, suction can not be lifted | (1) Insufficient air pressure | New adjustment |
| 24, suction mouth Angle is not enough | ⑴ Angle cylinder expansion is improper | 调整 |
| ⑵ electronic control fault | Inspection and repair | |
| 25, suction wheel wear | ⑴ Normal walking wear | Rubber wheel replacement |
| ⑵ partial wear drag death | Correct the direction of the pinion | |
| 26, about the vacuum hose, steel pipe wear perforation | Normal wear | Replace the suction hose and steel pipe |
| 27. The lifting cylinder is weak | (1) Gear pump working pressure is low | Inspection and repair |
| (2) Lift cylinder pressure relief | Check lift cylinder oil seal | |
| 28. All steam systems fail | The gas solenoid valve group is powered off | Check the air line solenoid valve group |
| 29. Switch the ignition switch to AAC The POWER and RUN lights of the PC are off (the secondary PC cannot be started). |
⑴ There is no power in the main line before the ignition switch | Inspection and repair |
| (2) Ignition switch failure | Check and replace | |
| (3) External regulated power supply board | Inspection and repair | |
| (4) PC software failure | 更换 | |
| 30. After powering on the PC, the ALARM and ERROR lights up | ⑴ procedural disorder | reprogram |
| (2) The PC software is faulty | 更换 | |
| 31, press the left scan button, PC 002 is not bright | (1) The left sweep button switch cannot be fastened | Check and replace |
| 32, press the left wide scan button, PC 003 is not bright | The left wide sweep button switch cannot be fastened | Check and replace |
| 33, press the right wide scan button, PC 004 does not light up | The right wide sweep button switch cannot be fastened | Check and replace |
| 34. Press the scan button on the right. PC 005 does not light up | The right sweep button switch cannot be fastened | Check and replace |
| 35, press the suction swing Angle button, PC 102 is not bright | Swing Angle button switch cannot be fastened | Check and replace |
| 36, press the start stop button, PC 013 does not light up | The start-stop button switch cannot be fastened | Check and replace |
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Contact: Li Meng
18908665555
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18908665555
24 hours online
All year round