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Troubleshooting
Problem
Chemical is leaking from
packing.
a. Find the Graco ONG Chemical Compatibility Guide at www.graco.com.
b. Find the Graco ONG Chemical Compatibility Guide at www.graco.com.
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Cause
Tighten the packing nut. If leak persists then
replace the packing.
NOTE: the packing nut is set from the factory
and doe snot require tightening when initially
installed.
Chemical compatibility.
Consult the Graco ONG Chemical Compatibility
Guide
operate the chemicals being pumped.
Worn Packing
Temperature.
Consult the Graco ONG Chemical Compatibility
Guide
operate in the recommended temperature
range.
Plunger coating.
Inspect plunger for coating failure due to chemi-
cal or abrasive attack. Replace plunger as
required.
Solution
a
to ensure the seal in use is designed to
b
to ensure the seal in use is designed to
3A4386E
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