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OPERATING
AND SAFETY PRECAUTIONS
66602X-
X
PAGE 2 OF 8
Z Read and heed all Warnings, Cautions, and Safety PrecauĆ
tions before operating this pump.
Z Use only genuine ARO replacement parts to assure compatĆ
ible pressure rating and longest service life.
WARNING EXCESSIVE AIR PRESSURE. Can cause pump
damage, personal injury or property damage.
S Do not exceed the maximum inlet air pressure asstatedon
the pump model plate.
WARNING STATIC SPARK. Can ignite flammable material
and vapors resulting in fire or explosion causing severe perĆ
sonal injury or property damage.
S The pumping system and object being sprayed must be
grounded when it is pumping, flushing, recirculating or
spraying flammable materials such as paints, solvents,
lacquers, etc. or used in a location where surrounding atĆ
mosphere is conducive to spontaneous combustion.
S 666026-XXX Groundable Acetal pumps: Use the pump
grounding screw provided. A screw terminal is provided
on the Fluid Cap (Remove the cover to gain access). ConĆ
nect a 12 ga. (min.) wire (66885-1 Kit is available) to a good
earth ground source.
S Ground dispensing valve or device, containers, hoses
and any object to which material is being pumped.
S After grounding, periodically verify continuity of electrical
path to ground. Test with an ohmmeter from each compoĆ
nent (e.g.,hoses,pump,clamps,container,spray gun, etc.)
to ground to insure continuity. Ohmmeter should show 10
ohms or less.
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 speĆ
cific grounding requirements.
WARNING
DIAPHRAGM RUPTURE. Can cause serious inĆ
jury or property damage. Material can be forced out of the air
exhaust muffler.
S Pipe the exhaust to a safe remote location when pumping
hazardous or inflammable materials.
S Use a grounded 1/4" min. I.D. hose between the the pump
and the muffler.
WARNING
HAZARDOUS PRESSURE. Can result inserious
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
system by opening dispensing valve or device and/or
carefully and slowly loosening and removing outlet hose
or piping from pump.
WARNING HAZARDOUS MATERIALS. Can cause serious
injury or property damage. Do not attempt to return a pump to
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.
Z SAFETY PRECAUTIONS (GENERAL) should inĆ
clude:
S Use of static wire hoses.
S Submersion of outlet hose end, dispensing valve or deĆ
vice within material being dispensed whenever possible.
(Avoid free streaming of material being dispensed.)
S Proper ventilation of area away from heat, open flames
and sparks.
S Keeping inflammables away from heat, open flames and
sparks.
S Keeping containers closed when not in use.
S Be sure material hoses and other components are able to
withstand fluid pressures developed by this pump. Check
all hoses for damage or wear. Be certain dispensing deĆ
vice is clean and in proper working condition.
CAUTION Verify the chemical compatibility of the pump
wetted parts and the substance being pumped, flushed or reĆ
circulated. Chemical compatibility may change with temperaĆ
ture and concentration of the chemical(s) within the
substances being pumped, flushed or circulated. Consult
ARO Form No. 8677-P, Fluid Compatibility Guide, for informaĆ
tion on chemical compatibility.
CAUTION
Maximum temperatures are based on mechaniĆ
cal stress only. Certain chemicals will significantly reduce
maximum safe operating temperature. Consult Fluid CompatĆ
ibility Guide for chemical compatibility and temperature limĆ
its.
S Temperature Limits:
Polypropylene 35_Fto120_F
Groundable Acetal 10_Fto150_F.
CAUTION
Be certain all operators of this equipment have
been trained for safe working practices, understand it's limitaĆ
tions, and wear safety goggles/equipment when required.
CAUTION
Do not use the pump for the structuralsupport of
the piping system. Be certain the system components are
properly supported to prevent stress on the pump parts.
S Suction and discharge connections should be flexible
connections (such as hose), not rigid piped, and should
be compatible with the substance being pumped.
CAUTION Prevent unnecessary damage to the pump. Do
not allow pump to operate when out of material for long periĆ
ods of time.
S Disconnect air line from pump when system sits idle for
long periods of time.
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.