Fluke 719PRO-300G Product Manual - Page 73

Clean the Product, Clean the Valve Assembly

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Clean the Product Caution To avoid damaging the plastic lens and case, do not use solvents or abrasive cleansers. Clean the Product with a soft cloth dampened with water or water and mild soap. Clean the Valve Assembly Occasionally, the Product may not work properly due to dirt or other contamination of the internal valve assembly. Use the subsequent procedure to clean the valve assembly. If this procedure does not correct the problem, a repair kit can be ordered. See the "User-Replaceable Parts" section. 1. With a small screwdriver, remove the two valve retention caps located in the battery compartment area (see Figure 12). 2. After the caps have been removed, gently remove the spring and ring assembly. 3. Set aside the valve assemblies in a safe area and clean out the valve body with a cotton swab soaked in IPA (isopropyl alcohol). 4. Repeat the process several times with a new cotton swab each time until there is no evidence of contamination or dirt. Pressure Calibrator Maintenance 5. Operate the pump handles several times and recheck for contamination. 6. Clean the O-ring assembly and the O-ring on the retention caps with IPA and inspect the O-rings closely for any damage or excessive wear. Replacements are included in the repair kit, if necessary. 7. Inspect the springs for wear or loss of tension. They should be approximately 8.6 mm long in the relaxed state. If shorter, they may not provide sufficient seal tension. Replace if necessary. 8. Once all parts have been cleaned and inspected, reinstall the O-ring and spring assembly into the valve body. 9. Reinstall the retention caps and gently tighten each cap. 10. Seal the output port and operate the pump to at least 50 % of capacity. 11. Release the pressure and repeat several times to ensure that the rings seat properly. 63 MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664

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Pressure Calibrator
Maintenance
63
Clean the Product
Caution
To avoid damaging the plastic lens and case,
do not use solvents or abrasive cleansers.
Clean the Product with a soft cloth dampened with water
or water and mild soap.
Clean the Valve Assembly
Occasionally, the Product may not work properly due to
dirt or other contamination of the internal valve assembly.
Use the subsequent procedure to clean the valve
assembly. If this procedure does not correct the problem,
a repair kit can be ordered. See the “User-Replaceable
Parts” section.
1.
With a small screwdriver, remove the two valve
retention caps located in the battery compartment
area (see Figure 12).
2.
After the caps have been removed, gently remove
the spring and ring assembly.
3.
Set aside the valve assemblies in a safe area and
clean out the valve body with a cotton swab soaked
in IPA (isopropyl alcohol).
4.
Repeat the process several times with a new cotton
swab each time until there is no evidence of
contamination or dirt.
5.
Operate the pump handles several times and
recheck for contamination.
6.
Clean the O-ring assembly and the O-ring on the
retention caps with IPA and inspect the O-rings
closely for any damage or excessive wear.
Replacements are included in the repair kit, if
necessary.
7.
Inspect the springs for wear or loss of tension. They
should be approximately 8.6 mm long in the relaxed
state. If shorter, they may not provide sufficient seal
tension. Replace if necessary.
8.
Once all parts have been cleaned and inspected,
reinstall the O-ring and spring assembly into the
valve body.
9.
Reinstall the retention caps and gently tighten each
cap.
10. Seal the output port and operate the pump to at least
50 % of capacity.
11. Release the pressure and repeat several times to
ensure that the rings seat properly.
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com