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What should be done in the correct use of hydraulic wrenches?
What should be done in the correct use of hydraulic wrenches?
Hydraulic wrenches are divided into driving hydraulic wrenches and hollow hydraulic wrenches. Their pollution sources come from three parts: external infestation, internal pollutants and pollutants generated in the hydraulic wrench system, because when using hydraulic wrenches, Pay attention to the following points.
1. Install the hydraulic wrench and tighten the oil return valve stem in a clockwise direction before use.
2. The working oil of the hydraulic puller should be anti-wear hydraulic oil, and the working oil must be clean.
3. According to the size of the pre-tightening nut, an inner hexagon socket is selected.
4. Insert the high pressure and low pressure hoses with quick connectors into the joints between the wrench and the reversing valve.
5. Tilt the piston starting rod back and forth to move forward steadily, and the claw hooks back accordingly to pull out the object being pulled.
6. The angle of the connecting rod of the wrench should be controlled within the range of the angle calibrated by the reaction rod.
7. Suppress.
8. After preloading, put the handle of the reversing valve in the middle position to make the pressure return to zero.
9. After removing the quick connector, the exposed part of the connector must be covered with a plastic cover.
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