Impact Products Digital Concrete Test Hammer CN652 - Manual (Page 15)

6 Maintenance and Care
6.1 Cleaning After Use
Warning!
Never immerse the concrete test hammer in water or clean it under a running
tap! Use neither abrasives nor solvents for cleaning!
6.1.1 Concrete Test Hammer
• Deploy the impact plunger (1) as described in Fig. 5.2.
• Wipe the impact plunger (1) and housing (3) using a clean, dry cloth.
6.1.2 Display Unit
• Clean the display unit and measuring equipment with a clean, dry cloth after
use.
• Clean the input sockets and connectors with a clean, dry brush.
6.2 Performance Check
6.2.1 Concrete Test Hammer
If possible, carry out the performance check every time before you use the
device, however at least every 1000 impacts or 3 months.
• Put the concrete test hammer into operation as
described under ”Startup”.
• Place the testing anvil on a hard, smooth surface (e.g.
• stone floor).
• Clean the contact surfaces of the anvil and the impact
plunger.
• Perform about 10 impacts with the concrete test
hammer and check the result against the calibration
value specified on the testing anvil.
Fig. 6.1 Performance check of the concrete test hammer
Proceed as described in ”Maintenance” if the values are not within the
tolerance range specified on the testing anvil.
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