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How to carry out the maintenance of the hydraulic type universal tension machine, the following is the host maintenance method of the hydraulic type universal tension machine:
1. Regularly inspect the transmission of the sprocket. If any looseness is found, re-tension the tensioner.
2. Regularly check the screws at the jaws. If loosening is found, tighten them in time.
3, the sliding surface of the inlaid steel plate and the liner plate, the dovetail groove surface of the liner shall be kept clean, and a thin layer of MoS2 (molybdenum disulfide) grease shall be regularly coated;
4, due to the hydraulic type universal tensile machine jaws often used, hydraulic type universal tensile machine is easy to wear, too much oxidation, easily lead to small piston damage oil leakage, so the jaw should be cleaned regularly, keep clean (preferably each time Clean up after the test);
5, the fixture equipped with the machine should be coated with antirust oil;
The pointer of the hydraulic universal tensioner is unstable and often changes in operation; or the condition of the buffer spring of the hydraulic universal tensioner fails. Next we will talk about the common seven troubleshooting methods for hydraulic universal tensioners.
(1) Instability caused by conflict: If the pointer and pendulum bearing are insensitive, there is a conflict between the operating piston and the force measuring piston. Can be carefully inspected, hydraulic type universal tensile machine clean and trim, eliminating conflicts to remove faults.
(2 hydraulic universal buffer tension valve spring failure. Sweep method replacement spring.
(3) The belt that is changed by the dynamic force measuring piston drops. Hang on the belt.
(4) The viscosity of the oil of hydraulic type universal tensioner hydraulic system is too large. The need to replace the viscosity of the right oil to remove problems.
(5) The gear rod is in poor meshing engagement with the gears or the gear rod rubs against the upper reeds. By adjusting the gear rod and the gear mesh and the reed azimuth sweep.
(6) Toothed bar. The need to straighten or replace the tooth bar.
(7) The guide roller and the column on the hydraulic type universal tensioner work platform are rubbed. By adjusting the gap between the guide roller and the column, it is possible to adhere to the o.5mm gap to remove the problem.
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