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6 Maintenance & Servicing
6.1 Impact Device Maintenance
After the impact device has been used for 1000--2000 times, please use
the nylon brush provided to clean the guide tube and impact body. When
cleaning the guide tube, unscrew the support ring first, then take out the
impact body, spiral the nylon brush in counter-clock direction into the
bottom of guide tube and take it out for 5 times, and then install the impact
body and support ring again.
Release the impact body after use.
NEVER USE LUBRICANT OR CLEANERS ON IMPACT DEVICE!
6.2 Instrument Maintenance Program
When testing in the Rockwell C hardness scale your error amount should
not exceed 2 Rockwell C points. Changing the spherical test tip or impact
object should be considered.
Warranty will be VOID if unit has been dismantled by someone other
than an authorized repair person
6.3 Fault Analysis & Evaluation
Fault Appearance
Fault Analysis
Repair method
Failure to power on
Low or dead Battery
Replace the batteries
No measured value
Impact device cable failure
Replace the cable