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66605X-X (en)Page 2of 8
OPERATING AND SAFETY PRECAUTIONS
READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.
EXCESSIVEAIRP RESSURE
STATICSPARK
HAZARDOUSMATERIALS
HAZARDOUSPRESSURE
WARNING
EXCESSIVEAIR PRESSURE.Cancauseperson-
al injury, pump damage or property damage.
S Donot exceedthe maximuminletair pressureas statedonthe
pump model plate.
S Besurematerialhosesandothercomponentsareabletowith-
standfluidpressuresdevelopedbythispump.Checkallhoses
for damageor wear. Be certaindispensing device isclean and
in proper working condition.
WARNING
STATICSPARK.Cancauseexplosionresultingin
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
groundedwhen itis pumping,flushing,recirculating orspray-
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 valveordevice, containers,hoses andany objectto which
material is being pumped.
S 666056-XXX and 66605H-XXX Groundable Acetal pumps: Use
the pump grounding screw provided. Connect a 12 ga. (mini-
mum) wire (kit is included) 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,periodicallyverifycontinuityofelectricalpath
to ground.Test with anohmmeter from each component (e.g.,
hoses, pump, clamps, container, spraygun, 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
thematerialbeingdispensedifpossible.(Avoidfreestreaming
of material being d ispensed.)
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.Pipeexhaustawayfromworkareaandper-
sonnel.
S In theevent of a diaphragm rupture material can beforced out
of the air exhaust muffler.
S Pipethe exhaustto asafe remotelocation whenpumping haz-
ardous or inflammable materials.
S Useagrounded3/8”minimumi.d.hosebetweenthepumpand
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
andslowly looseningandremoving outlethoseor pipingfrom
pump.
WARNING
HAZARDOUSMATERIALS.Cancauseseriousin-
juryorpropertydamage.Donotattemptt oreturnapumptot he
factory o r 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.
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 compatibilityand temperature lim-
its.RefertoPumpDataonpage1ofthismanual.
CAUTION
Be certain all operators of this equipment have
beentrained forsafe workingpractices,understand it’slimita-
tions, and wear safety goggles / equipment when required.
CAUTION
Donotusethepumpforthestructuralsupportof
the piping system. Be certain the system components are
properly supported to prevent stress on the pump parts.
S Suctionanddischargeconnectionsshouldbeflexibleconnec-
tions(suchashose),notrigidpiped,andshouldb ecompatible
with the substance being pumped.
CAUTION
Prevent unnecessary damage to the pump. Do
notallowpumptooperatewhenoutofmaterialforlongperiods
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
Install the pump in the vertical position. The
pumpmaynotprimeproperlyiftheballsdonotcheckbygravi-
ty upon start-up.
NOTICE
Re-torque all fasteners before operation. Creep
of housing and gasket materials may cause fasteners to loos-
en.Re-torqueallfastenerstoinsureagainstfluidorairleakage.
NOTICE
Replacement warning labels are available upon
request:“StaticSpark”pn\93616-1,“DiaphragmRupture”pn\
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.