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66615X-X-C (en)Page 2 of 8
OPERATING AND SAFETY PRECAUTIONS
READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.
EXCESSIVE AIR PRESSURE
STATICSPARK
HAZARDOUS MATERIALS
HAZARDOUS PRESSURE
WARNING
EXCESSIVE AIR PRESSURE. Can cause person-
al injury, pump damage or property damage.
S Do not exceed the maximum inlet air pressure as stated on the
pump model plate.
S Be sure materialhosesand other components areableto with-
stand fluidpressures developed bythis pump.Checkall hoses
for damage or wear. Be certain dispensing device is clean and
in proper working condition.
WARNING
STATICSPARK. Cancause explosionresultingin
severe injury or death. Ground pump and pumping system.
S Sparks can ignite flammable material and vapors.
S The pumping system and object being sprayed must be
grounded when it is pumping, flushing, recirculating or spray-
ing flammable materials such as paints, solvents, lacquers,
etc. or used in a location where surrounding atmosphere is
conducive to spontaneous combustion. Ground the dispens-
ing valve or device, containers, hoses and any object to which
material is being pumped.
S Use the pump grounding screw terminal provided. Use ARO
R
part no. 66885-1 ground kit or connect a suitable ground wire
(12 ga. minimum) to a good earth ground source.
S Secure pump, connections and all contact points to avoid
vibration and generation of contact or static spark.
S Consult local building codes and electrical codes for specific
grounding requirements.
S Aftergrounding, periodicallyverify continuityofelectrical path
to ground. Test with an ohmmeter from each component (e.g.,
hoses, pump, clamps, container, spray gun, etc.) to ground to
insure continuity. Ohmmeter should show 0.1 ohms or less.
S Submerse the outlet hose end, dispensing valve or device in
the materialbeing dispensed ifpossible.(Avoid free streaming
of material being dispensed.)
S Use hoses incorporating a static wire.
S Use proper ventilation.
S Keep inflammables away from heat, open flames and sparks.
S Keep containers closed when not in use.
WARNING
Pump exhaust may contain contaminants. Can
causesevereinjury.Pipeexhaust awayfromworkarea andper-
sonnel.
S In the event of a diaphragm rupture, material can be forced out
of the air exhaust muffler.
S Pipe the exhaust to a safe remote location when pumping haz-
ardous or inflammable materials.
S Use a grounded 3/4” minimum i.d. hosebetween the pump and
the muffler.
WARNING
HAZARDOUS PRESSURE. Can result in serious
injury or property damage. Do not service or clean pump,
hoses or dispensing valve while the system is pressurized.
S Disconnect air supply line and relieve pressure from the sys-
tem by opening dispensing valve or device and / or carefully
and slowly loosening and removing outlet hoseorpipingfrom
pump.
WARNING
HAZARDOUSMATERIALS. Cancauseserious in-
jury orproperty damage.Do notattempt toreturna pumpto the
factory or service center that contains hazardous material.
Safe handling practices must comply with local and national
laws and safety code requirements.
S Obtain Material Safety Data Sheets on all materials from the
supplier for proper handling instructions.
WARNING
EXPLOSION HAZARD. Models containing alumi-
num wetted parts cannot be used with 1,1,1-trichloroethane,
methylene chloride or other halogenated hydrocarbon sol-
vents which may react and explode.
S Check pump motor section, fluid caps, manifolds and all
wetted partstoassurecompatibility beforeusing withsolvents
of this type.
CAUTION
Verify the chemical compatibility of the pump
wetted parts and the substance being pumped, flushed or re-
circulated. Chemical compatibility may change with tempera-
ture and concentration of the chemical(s) within the
substances being pumped, flushed or circulated. For specific
fluid compatibility, consult the chemical manufacturer.
CAUTION
Maximum temperatures are based on mechani-
cal stress only. Certain chemicals will significantly reduce
maximum safe operating temperature. Consult the chemical
manufacturer for chemical compatibility and temperature lim-
its.RefertoPUMPDATAonpage1ofthismanual.
CAUTION
Be certain all operators of this equipment have
been trained for safe working practices, understand it’s limita-
tions and wear safety goggles / equipment when required.
CAUTION
Do not usethepump for the structural supportof
the piping system. Be certain the system components are
properly supported to prevent stress on the pump parts.
S Suction anddischarge connectionsshould be flexibleconnec -
tions (suchas hose), notrigid piped,and should becompatible
with the substance being pumped.
CAUTION
Prevent unnecessary damage to the pump. Do
not allowpumptooperatewhen outof materialforlongperiods
of time.
S Disconnect air line from pump when system sits idle for long
periods of time.
CAUTION
Use only genuine ARO replacement parts to as-
sure compatible pressure rating and longest service life.
NOTICE
Replacement warning labels are available upon
request: “Static Spark” (93616-1) & “Diaphragm Rupture”
(93122).
WARNING
CAUTION
NOTICE
= Hazards or unsafe practices which could
result in severe personal injury, death or
substantial property damage.
= Hazards or unsafe practices which could
result in minor personal injury, product or
property damage.
= Important installation, operation or
maintenance information.