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How to use hydraulic wrenches and pay attention to problems.Hydraulic torque wrench Factory
source:Industry News release time:2021-12-25 Article author:Rosit Popular:Air band saw
The first step is to choose a socket. The selection criterion is based on the original nut. The socket needs to be hexagonal.
The second step is the combination of the ratchet, which should be combined according to the size of the nut and the existing state requirements. If the nut is tightened, a clockwise ratchet is required, and vice versa.
The third step is to find the hoses with quick connectors (the hoses are divided into high pressure and low pressure, one-quarter and three-eighths respectively) to find the connection of the reversing valve and the wrench, and then connect the external interface of the quick connector Rotate any angle to lock the connection between the hose and the other two places.
The fourth step is to lean the reaction rod against the sleeve or other places that can withstand the opposite force.
The fifth step is that the connecting rod of the hydraulic wrench will produce a turning angle, and this angle must be controlled within the range of the reaction rod.
The sixth step is to turn the air valve counterclockwise one round when applying pressure before opening the air valve, and then close it only after the air inside is emptied.
The seventh step is that if you use a manual pump, you need to press the piston rod of the hydraulic cylinder to turn the valve handle. If the handle is on the left side, you need to extend the piston rod. If it is on the right side, it is compressed. If it is in the middle, it means The pressure is zero.
The eighth step is that there will be a pressure cooker on the hydraulic wrench instrument, and there will be a series of torque values. It is necessary to measure the approximate pressure value required for a certain torque value before.
The ninth step is to return the handle of the reversing valve to the middle after the preload is completed, and the pressure is zero.
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