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How to eliminate the faults of hydraulic shearing machine

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  1. Check the circuit of the hydraulic plate shear,check and tighten,and the valve core of the reversing valve is stuck.

  2. The sliding block can not be repaired or replaced. Tighten the housing fixing screw.

  3. Look at the actual working condition of the hydraulic system of the shearing machine,and observe whether there are problems in the system pressure,speed,oil,leakage,vibration,etc.

  4. Listen to the sound of the hydraulic system of the shearing machine,such as: impact sound; pump noise and abnormal sound; judge whether the hydraulic system works normally.

  5. The piston seal ring of piston cylinder is seriously worn,so replace the seal ring.

  6. Determine whether the moving parts of the hydraulic system of the shearing machine work normally according to the temperature rise,vibration,crawling and the tightness of the joints.

  7. It may be that the spring of the hydraulic shear is adjusted loosely. Turn the hand wheel of the pressure relay clockwise,the pressure relay fails. Hold down spring.

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