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© 2001 PROCEQ SA Maintenance and Care 13
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,
page 10.
• 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.
Fig. 6.1 Performance check of the concrete test hammer
Proceed as described in ”Maintenance”,
page 14 if the values are not within the
tolerance range specified on the testing anvil.
• Put the concrete test hammer
into operation as described
under ”Startup”, page 5.
• Place the testing anvil on a
hard, smooth surface (e.g.
stone floor).
• Clean the contact surfaces of
the anvil and the impact plun-
ger.
• Perform about 10 impacts with
the concrete test hammer and
check the result against the
calibration value specified on
the testing anvil.
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