Wheel Loader Work Lights for Lovol

Wheel Loader Work Lights for Lovol/LOVOL Wheel Loader Work Lights/Wheel Loader Sdlg 936 for Sale/Lovol Wheel Loader for Sale
Maintenance and troubleshooting of wheel loader
26. When the loader is working, why is the bucket weak in lifting and turning?  
When the loader is working, the boom in the hydraulic system is weak in lifting (slow speed) or turning over of the bucket, mainly for the following reasons:  
When the diesel engine is working, the speed rise is not high.  In the arm, bucket reversing valve slide valve is in a neutral position, the engine accelerator pedal to the end, if the diesel engine speed can not reach the rated speed, it may be diesel engine failure, should check the cause of low diesel engine speed.  
When the throttle is small, the boom is lifted slowly (or the boom can not be lifted), and the bucket is weak. When the throttle is increased, it works normally.  The causes of this failure are as follows:  
A. If the working pump is seriously worn or damaged, the working pump should be replaced.  
B. The opening pressure of first-arrival safety valve is too low or the seal is not strict.  Application of pressure gauge to measure the pressure of the working hydraulic system, if the pressure is too low, can not be adjusted blindly, should be removed the safety valve, check whether the Pilot Valve spring is broken, whether the seal is good, whether the main spool is stuck, etc.  And then adjust to the situation.  
C. Hydraulic cylinder piston seal ring damage or cylinder wear (tension mark) resulting in cylinder leakage.  To determine whether the cylinder is leaking, the cylinder can be shrunk to the end, and then unscrew the rodless cavity tubing, so that the rod cavity continues to fill with oil. If there is a large amount of hydraulic oil coming out of the rodless cavity, it indicates that the cylinder is leaking, and the cylinder should be repaired.  
Wheel loader front and rear lighting:loader work lights、led work lights、led work lamp、loader led work lamp
XGMA wheel loader product model：XG931K XG936K XG931H XG932H XG958EV XG958K XG955K XG957K XG957N XG955N XG958N XG956N XG958i XG955H XG968K XG968N XG962H
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