English
© 2017 Proceq SA
Maintenance
15
3 Maintenance
3 .1 Performance Check
If possible, carry out the performance check every time
before you use the device, however at least every 1000
impacts or every 3 months.
•
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 ham-
mer and check the result
against the calibration value
specified on the testing anvil.
Fig. 3.1
Performance check of the concrete test
hammer ( model N/L shown )
Proceed as described in "Maintenance
Procedure" on page 16 if the values are not
within the tolerance range specified on the
testing anvil.
3 .2
Cleaning After Use
Warning!
Never immerse the device in water or wash
it under a running tap! Do not use either
abrasives or solvents for cleaning!
• Deploy the impact plunger (1) as described in Fig. 3.2
"Measuring Procedure", on page 4.
• Wipe the impact plunger (1) and housing (3) using a
clean cloth.
3 .3 Fitting a New Recording Paper Roll
The following instructions only apply to
models NR and LR!
31
33
32
Fig. 3.2
Fitting a new recording paper roll
Summary of Contents for N / L
Page 22: ......
