Using The Gauge - Elcometer 102 User Manual

3 GETTING STARTED (continued)
To fit the needle:
1 Unscrew and remove the needle protector
from the gauge.
2 Fit the needle to the needle adaptor.
3 Place the needle protector over the needle
with the bottom end upwards towards the
gauge as shown (see Figure 1) and push
the needle to ensure a tight fit.
To remove the needle:
1 Use the bottom end of the needle protector
to loosen and remove the needle
(see Figure 2).
To avoid injury, take care when using
needles and dispose of needles safely.

4 USING THE GAUGE

Before using the gauge, read the safety precautions in Section 3.1
'Working Safely' on page en-1.
1 Unscrew and remove the needle protector from the gauge,
keeping it in a safe place.
2 Check the condition of the needle and replace if necessary -
see Section 3.2 'Fitting a Needle' on page en-1.
3 Lubricate the needle and the area on the
hose where the needle is to be inserted
with a little water prior to test.
4 Slowly but firmly insert the needle into the
hose at a 45 degree angle from the flow of
air / abrasive (see Figure 3).

Insert the needle slowly as it can bend
and break.
5 Record the pressure reading on the
gauge.
6 Remove the needle pressure gauge.
7 Refit the needle protector.
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Figure 1
Figure 2
45°
Figure 3
en-2
R