Solenoid Directional Valve for Radio Remote Control Grab

• When opening grab has made a great impact, through adjusting the throttle valve(YPYK025019), in clockwise direction, reducing the throttle path and slow down the speed of grab opening; the degree of throttle valve opening can not be too small, generally 50% opening degree. In addition, checks whether the electromagnetic valve B plug a power, under normal circumstances the valve should be in a power state.
• When connecting the power, can not open the grab. The first check the two sets of electromagnetic valve A / B should be installed on block is power; Second, check the handle location of valve, whether the location of valve is the greatest. The others, using the emergency hand-pull mechanism to open the grab, such as the foregoing method of operation 5.6.
• When the grab can not be closed, the first, check whether the electromagnetic valve A is in non-power - Grab hydraulic block is installed in the middle of the under roof-beam. The main control valve of hydraulic system parts are installed in the valve, the normal work of the various control valves to ensure that the grab can be opened or closed and normally work.
• When opening grab has made a great impact, through adjusting the throttle valve(YPYK025019), in clockwise direction, reducing the throttle path and slow down the speed of grab opening; the degree of throttle valve opening can not be too small, generally 50% opening degree. In addition, checks whether the electromagnetic valve B plug a power, under normal circumstances the valve should be in a power state.
• When connecting the power, can not open the grab. The first check the two sets of electromagnetic valve A / B should be installed on block is power; Second, check the handle location of valve, whether the location of valve is the greatest. The others, using the emergency hand-pull mechanism to open the grab, such as the foregoing method of operation 5.6.
• When the grab can not be closed, the first, check whether the electromagnetic valve A is in non-power state; Secondly, check the oil level, whether it meets the requirements, by observing the level of oil, usually requiring hydraulic oil surface should be above the medium of the oil level gauge. In addition, check whether one-way valve within the hydraulic cylinder is working properly. Method I: removing one of the high-pressure hoses, the hose is connected between the valve block and the oil trunk upper part, and stop leak of hose, then pulling slip board, then press remote "open" button on the remote controller, if the grab open slowly, that means hydraulic cylinder has problem. If not, that means this hydraulic cylinder has no problem, and reset the hose to its former place. Use the same method to deal with the other hydraulic cylinder by removing the other high pressure hose. If both of the hydraulic cylinders have no problem, that means the hydraulic valve blocks have problems, please check them. Method II: Lifting the slip board, make ears close to cylinder out walls, if the noise like: sisi can be heard, that means the inside of one-way valve has problem. If not, that means the cylinders have no problem. 

 

 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 

• When opening grab has made a great impact, through adjusting the throttle valve(YPYK025019), in clockwise direction, reducing the throttle path and slow down the speed of grab opening; the degree of throttle valve opening can not be too small, generally 50% opening degree. In addition, checks whether the electromagnetic valve B plug a power, under normal circumstances the valve should be in a power state.
• When connecting the power, can not open the grab. The first check the two sets of electromagnetic valve A / B should be installed on block is power; Second, check the handle location of valve, whether the location of valve is the greatest. The others, using the emergency hand-pull mechanism to open the grab, such as the foregoing method of operation 5.6.
• When the grab can not be closed, the first, check whether the electromagnetic valve A is in non-power - Grab hydraulic block is installed in the middle of the under roof-beam. The main control valve of hydraulic system parts are installed in the valve, the normal work of the various control valves to ensure that the grab can be opened or closed and normally work.
• When opening grab has made a great impact, through adjusting the throttle valve(YPYK025019), in clockwise direction, reducing the throttle path and slow down the speed of grab opening; the degree of throttle valve opening can not be too small, generally 50% opening degree. In addition, checks whether the electromagnetic valve B plug a power, under normal circumstances the valve should be in a power state.
• When connecting the power, can not open the grab. The first check the two sets of electromagnetic valve A / B should be installed on block is power; Second, check the handle location of valve, whether the location of valve is the greatest. The others, using the emergency hand-pull mechanism to open the grab, such as the foregoing method of operation 5.6.
• When the grab can not be closed, the first, check whether the electromagnetic valve A is in non-power state; Secondly, check the oil level, whether it meets the requirements, by observing the level of oil, usually requiring hydraulic oil surface should be above the medium of the oil level gauge. In addition, check whether one-way valve within the hydraulic cylinder is working properly. Method I: removing one of the high-pressure hoses, the hose is connected between the valve block and the oil trunk upper part, and stop leak of hose, then pulling slip board, then press remote "open" button on the remote controller, if the grab open slowly, that means hydraulic cylinder has problem. If not, that means this hydraulic cylinder has no problem, and reset the hose to its former place. Use the same method to deal with the other hydraulic cylinder by removing the other high pressure hose. If both of the hydraulic cylinders have no problem, that means the hydraulic valve blocks have problems, please check them. Method II: Lifting the slip board, make ears close to cylinder out walls, if the noise like: sisi can be heard, that means the inside of one-way valve has problem. If not, that means the cylinders have no problem. 

 

 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 

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