Separate jacks should pay attention to the following issues when using
The working medium of this series of pumps is YB-N32 hydraulic oil. When the ambient temperature is lower than 10°C, YB-N22 hydraulic oil can be used. When the ambient temperature is higher than 40°C, YB-N46 hydraulic oil can be used instead.
The liquid level of the fuel tank at work should always be kept on the centerline of the oil mark to prevent the oil pump from emptying. When refueling, use a 120 mesh filter to filter out impurities in the new oil. When used frequently, the oil filter is cleaned once every two months, the oil tank is cleaned half a year, and new oil is replaced.
The normal working temperature of the oil pump is 10`C-50`C. If the oil temperature is too high, cooling measures must be taken or the pump must be stopped. When the oil temperature is too low, heating measures or low-pressure operation must be taken to increase the oil temperature.
Before starting the motor, change the reversing valve to the middle position. Move several times to prevent the high-pressure pump from emptying.
The working pressure set at the time of delivery of this pump cannot be arbitrarily increased.
When the high-pressure hose is shipped from the factory, it withstands a pressure test with a rated pressure of 1.25 times. Due to the aging of the gums, the users should pay attention to regular inspections and check them once every six months. When checking for pressure test, leakage, bumps or blasting must be replaced. When using, should avoid discounts and sharp bends, while not too close to the hose to prevent the blasting from wounding. For fixed occasions, steel pipes can be used instead.
This series of pumps is serviced once a year. All parts are cleaned with kerosene, and the protection surfaces must be protected. They must not be bumped arbitrarily. After assembly, all moving parts should be flexible and free from partial jamming.
The principle of separate jacks is the same throughout the pressure of the liquid, so in a balanced system, the piston with a relatively small applied pressure is relatively small, and the large piston applies a relatively large pressure, so that the fixation of the liquid is maintained. Therefore, through the transmission of the liquid, different pressures can be obtained and different purposes can be achieved, so that the purpose can be achieved. Our common hydraulic jacks use this principle to achieve the transfer of force. Separate jack adopts mechanical principle, reciprocatingly pulling the handle, pulling the ratchet ratchet wheel to rotate, and the small bevel gear drives the large bevel gear to rotate the weight lifting screw so as to increase or decrease the lifting sleeve and achieve the function of lifting and pulling force. .
The jack jack top steel is used as a working device to lift the heavy lifting equipment in the stroke by the top bracket or the bottom bracket. According to the structural characteristics can be divided into rack jacks, screw jacks and hydraulic jacks 3 kinds. As a separate jack is a simple lifting device with a small lifting height. It has two kinds of mechanical and hydraulic. Another type of mechanical jack and spiral type rack, due to the small starting weight, the operation is laborious, generally only used for mechanical maintenance work, not applicable during the bridge repair process.
Hydraulic jacks are widely used due to their compact structure, stable operation, and self-locking action. The disadvantage is that the lifting height is limited and the lifting speed is very slow!
The working medium of this series of pumps is YB-N32 hydraulic oil. When the ambient temperature is lower than 10°C, YB-N22 hydraulic oil can be used. When the ambient temperature is higher than 40°C, YB-N46 hydraulic oil can be used instead.
The liquid level of the fuel tank at work should always be kept on the centerline of the oil mark to prevent the oil pump from emptying. When refueling, use a 120 mesh filter to filter out impurities in the new oil. When used frequently, the oil filter is cleaned once every two months, the oil tank is cleaned half a year, and new oil is replaced.
The normal working temperature of the oil pump is 10`C-50`C. If the oil temperature is too high, cooling measures must be taken or the pump must be stopped. When the oil temperature is too low, heating measures or low-pressure operation must be taken to increase the oil temperature.
Before starting the motor, change the reversing valve to the middle position. Move several times to prevent the high-pressure pump from emptying.
The working pressure set at the time of delivery of this pump cannot be arbitrarily increased.
When the high-pressure hose is shipped from the factory, it withstands a pressure test with a rated pressure of 1.25 times. Due to the aging of the gums, the users should pay attention to regular inspections and check them once every six months. When checking for pressure test, leakage, bumps or blasting must be replaced. When using, should avoid discounts and sharp bends, while not too close to the hose to prevent the blasting from wounding. For fixed occasions, steel pipes can be used instead.
This series of pumps is serviced once a year. All parts are cleaned with kerosene, and the protection surfaces must be protected. They must not be bumped arbitrarily. After assembly, all moving parts should be flexible and free from partial jamming.
The principle of separate jacks is the same throughout the pressure of the liquid, so in a balanced system, the piston with a relatively small applied pressure is relatively small, and the large piston applies a relatively large pressure, so that the fixation of the liquid is maintained. Therefore, through the transmission of the liquid, different pressures can be obtained and different purposes can be achieved, so that the purpose can be achieved. Our common hydraulic jacks use this principle to achieve the transfer of force. Separate jack adopts mechanical principle, reciprocatingly pulling the handle, pulling the ratchet ratchet wheel to rotate, and the small bevel gear drives the large bevel gear to rotate the weight lifting screw so as to increase or decrease the lifting sleeve and achieve the function of lifting and pulling force. .
The jack jack top steel is used as a working device to lift the heavy lifting equipment in the stroke by the top bracket or the bottom bracket. According to the structural characteristics can be divided into rack jacks, screw jacks and hydraulic jacks 3 kinds. As a separate jack is a simple lifting device with a small lifting height. It has two kinds of mechanical and hydraulic. Another type of mechanical jack and spiral type rack, due to the small starting weight, the operation is laborious, generally only used for mechanical maintenance work, not applicable during the bridge repair process.
Hydraulic jacks are widely used due to their compact structure, stable operation, and self-locking action. The disadvantage is that the lifting height is limited and the lifting speed is very slow!
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