Dolika Wrecker
Wrecker Socket Fusion Welding Machine,PE Pipe Butt Welding Machine,Butt Fusion Welding Machine Broad Imp. & Exp. Co., Ltd. , http://www.hzweldingmachine.com
Wrecker Technology, Performance Product Name: Wrecker Lot of announcements: 201 Total mass: 7490
Troubleshooting method No. Fault image cause of issue Method of exclusion 1 Wrecking arm lifting speed is slow and powerless 1 hydraulic power system failure 2 telescopic mechanism control valve, overflow valve failure 1 Check, adjust 2 disassemble, clean, adjust or replace damaged components 2 Wrecker boom telescopic vibration 1 jib slider problem 2 telescopic cylinder is abnormal 1 Insufficient lubrication between the sliding surface of the boom box and the sliding block should be greased; the slider surface deformation is too large, the slider should be replaced; the surface of the lifting arm should be repaired, grinding surface 2 inspection processing 3 Wrong length of boom lifting section of wrecker cannot be compensated 1 solenoid valve fault 2 circuit fault 1 Clean the oil filter, replace the electromagnet 2 and check the external line fault 4 Wrecker Lifter Automatic Retraction 1 telescopic cylinder failure 2 balance valve failure 1 Check and adjust telescopic cylinder, replace damaged components 2 Check, adjust balance valve, replace damaged components 5 Wrecker lifting mechanism does not move or move slowly 1 vehicle control valve fault 2 hydraulic motor fault 3 balance valve fault 4 lift brake fault 1 Inspection processing 2 Inspection processing 3 Adjustment replacement spring 4 Adjustment replacement spring 6 When the wrecker lifts up and works, the movement is interrupted Check valve failure Cleaning, replacement 7 Loss of load control when the wrecker falls Balance valve failure Open cleaning 8 Wrecker Lift Mechanism Brakes Cannot Open 1 Shuttle valve stuck 2 Shuttle valve drained 3 Brake piston seal bad 1 Service shuttle valve 2 Service shuttle valve 3 Service brake, replacement seal 9 Raise the limit and the volume does not ring 1Bell damaged 2Over wound relay damaged Overhaul 10 Wrecker car luffing cylinder automatic retract 1 cylinder itself failure 2 balance valve failure 1 Inspection process 2 Open cleaning, replace damaged components 11 Wrecker's amplitude change cylinder vibration 1 There is air in the cylinder 2 The balance valve is improperly adjusted or the valve core is damaged and the orifice is blocked 1 Multiple-amplitude operation when no-load, charge and exhaust 2 open, cleaning inspection, replacement of damaged components 12 Wrecker removal failure Bidirectional hydraulic lock failure Check and repair bidirectional hydraulic lock 13 Leg retract automatically when lifting 1 Unidirectional 2 valve in the bidirectional hydraulic lock is poorly sealed 3 Oil leakage inside the cylinder 1 Check the check valve in the bidirectional hydraulic lock 2 Check the sealing element on the cylinder piston 14 No action or slow movement during lifting 1 Damaged hydraulic pump 2 Failure of relief valve 3 Damaged rotary joint 4 Damaged manual valve Inspection repair 15 The oil temperature rises too fast 1 Damaged or malfunctioning hydraulic pump 2 Contamination of hydraulic oil or insufficient oil 1 replacement or repair 2 should replace or supplement hydraulic oil 16 Wrecker hydraulic pump does not rotate Failure of power take-off or its operating air path Check, repair or replace power take-off and air system 17 High return pressure Filter plug Should replace the filter 18 Wrecker hydraulic oil leakage 1 The seal is damaged 2 There is something wrong with the tubing connection 1 Replace seal 2 Tighten or replace connector 3 Replace tube 19 Bad power to the rotary joint 1 Bad contact between brush and slip ring 2 Wire joint open welding 1 Repair 2 Repair wire joints 20 Oil system noise 1 There is air in the air line 2 The oil temperature is too low 3 The lines and components are tightly fastened 4 The balance valve malfunctions 5 The oil filter is blocked 6 The oil in the oil tank is insufficient 1 Multi-action, replenishing oil and exhaust 2 Low-speed operation oil pump Warm or change the oil 3 Fasten, pay special attention to the oil pump and suction pipe can not leak 4 Adjust or replace 5 Filter or replace the filter