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What are the preparations for hydraulic torque wrenches before use?
source:Industry News release time:2021-12-24 Article author:Rosit Popular:Air band saw
A conventional hydraulic torque wrench kit is generally composed of a hydraulic torque wrench body, a special pump station for hydraulic torque wrenches, a double high-pressure hose and a high-strength heavy-duty sleeve. The special pump for hydraulic torque wrench can be driven by electric or pneumatic. What should I prepare before using a hydraulic torque wrench?
1. First of all, determine whether to loosen or lock the nut by pressing or unscrewing the locking screw, take out the drive square shaft for left-right reversal, install the drive square shaft locator, pull down the reaction arm locking device, and press as appropriate The direction of the square axis when the reaction arm is installed in the orientation, loosened, and locked.
2. Connect the pump station: connect the high-pressure outlet (A) of the pump with the high-pressure inlet (H) of the hydraulic wrench, and the low-pressure outlet (B) of the pump and the low-pressure inlet (R) of the hydraulic wrench with high-pressure tubing respectively. When connecting, the quick connector on the oil pipe should be inserted to the end, and then the fixing nut should be tightened by hand. Now it adopts the most advanced male and female connector connection method, which is safer and more convenient.
3. Check carefully whether the oil pipe joints are connected reliably and whether there is oil in the pump.
4. Connect the power plug of the pump well, and it is strictly forbidden to run without oil! The most important step for safe operation is to try to run the wrench first and place the wrench on the open ground. Turn on the power switch of the pump, start the oil pump, and check whether the oil pump is running normally. Press and hold the last button on the wire control switch, at this time the square shaft starts to rotate, the wrench stops rotating when the wrench is in place, the pressure gauge rises rapidly from "0" to the set pressure; loosen the button, the wrench automatically returns, repeat several times to make the wrench Rotate it for several times and observe the direction of the wrench to determine whether it is to be loosened or locked. Only when there is no abnormality can the wrench be placed on the socket.
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