Common malfunctions and troubleshooting methods of aerial vehicles Diethyl Phthalate,Methyl Methacrylate,Tertiary Butyl Acetate,Vinyl Acetate Monomer HENAN BONSIN CHEMICAL CO.,LTD , https://www.bosinchem.com Fault phenomenon cause of issue Remedy Power device vibration Drive shafts are different or unbalanced Overhaul adjustment Loose coupling Overhaul adjustment Not fixed Fastening Rotary reducer overheated Lack of oil Add lubricant Rotary reducer impact noise Incorrect mounting of gears, severe wear of gears or bearings Adjust the replacement Rotary reducer leak Damaged seal gasket replace Axle bad, wear Repair replacement Too much lubricant Remove oil Slewing ring vibration or noise Ring or pinion abnormal wear replace Ball or pad damage replace Lack of oil Refuel Working arm clevis, working turret, and subframe crack or deformation Bad material or bad welding Structure strengthening Improper use, overload and shock Correct distortion, change Hydraulic system oil leak Loose fittings Fastening Damaged seal replace Broken pipe Welding replacement Oil pressure does not rise, oil temperature is too high The fluid level of the tank is too low and the oil filter plug is blocked Refuel or check Pressure relief valve opening pressure too low Adjust overflow valve Pump damage or leakage is serious Repair or replace Excessive leakage of pressure and return lines or excessive leakage of hydraulic components Repair or replacement, proper shutdown cooling Severe hydraulic system noise There is air in the pipeline Repetitive operation exhaust Low oil temperature Low speed conversion oil Pipes and components not fixed and fastened Fastening Balancing valve failure Adjustment and overhaul Filter plug Cleaning Falling arm, shrunk arm, excessive oil pressure or vibration Balance valve signal hole jam Cleaning balance valve Excessive friction between arms or foreign body Inspection, adjustment, lubrication There is air in the cylinder Repeated movement exhaust Telescopic arm steel wire length inappropriate Adjust rope length The top arm does not reach or shrink Outrigger lock seal is not good Overhaul Outrigger failure Cylinder leakage Overhaul seals