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Maintenance and repair of portable hardness testers
Oct 12, 2018

Maintenance and repair of portable hardness testers

Let's talk about the maintenance and repair of the portable hardness tester.

Impact device

● After using 1000-2000 times, clean the catheter and impact body of the impact device with a nylon brush. When cleaning the catheter, first unscrew the support ring, then take the impact body out, and screw the nylon brush into the tube counterclockwise. After pulling out, repeating this 5 times, and then attaching the impact body and the support ring;

● After use, the impact body should be released;

● It is forbidden to use various lubricants in the impact device.

2. Normal maintenance procedures

● When using the standard Rockwell hardness block for inspection, if the error is greater than 2HRC, the ball head wear may be invalid, and the ball or impact body should be considered for replacement.

●When other abnormal phenomena appear in the hardness tester, please do not disassemble or adjust any fixed assembly parts. After completing the warranty card, please submit it to our maintenance department to implement the warranty.

3. Non-warranty device

●Outer case (upper case, lower case,), battery

● Impact ball head, support ring, probe line, key film

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