In the universal tensile tester dynamometer, the ball bearings in the two ends of the spindle and the rolling bearing in the pointer structure are not allowed to be lubricated with oil, so as to avoid the oil stain from damaging the sensitivity of the mechanism.
When the universal tensile testing machine is repaired, after cleaning and drying with kerosene, a small amount of high-quality lubricating oil (such as #1 spindle oil) is injected to prevent corrosion.
The universal tension tester fuel tank should be inspected frequently. If the oil level of the fuel tank is lower than the high oil level, the sinking oil level should be made up.
The screws for the fixed guide plate on the hydraulic clamping device and the plate fixing screws on both sides of the jaws must be checked frequently to prevent the universal tensile tester from loosening.
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