Operating and Safety Precautions

READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.

let hose or piping from pump.

EXCESSIVE AIR PRESSURE

HAZARDOUS MATERIALS

WARNING

HAZARDOUS MATERIALS. Can cause serious

STATIC SPARK

HAZARDOUS PRESSURE

injury or property damage. Do not attempt to return

a pump to the factory or service center that contains

EXCESSIVE AIR PRESSURE. Can cause per-

hazardous material. Safe handling practices must

WARNING

comply with local and national laws and safety code

sonal injury, pump damage or property damage.

y Do not exceed the maximum inlet air pressure as

requirements.

stated on the pump model plate.

y Obtain Material Safety Data Sheets on all materials

y Be sure material hoses and other components are able

from the supplier for proper handling instructions.

to withstand fluid pressures developed by this pump.

WARNING

EXPLOSION HAZARD. Models containing

Check all hoses for damage or wear. Be certain dispens-

aluminum

parts cannot be used with 1,1,1-trichlo-

ing device is clean and in proper working condition.

roethane, methylene chloride or other halogenated

STATIC SPARK. Can cause explosion result-

hydrocarbon solvents which may react and explode.

WARNING

y Check pump motor section, fluid caps, manifolds and

ing in severe injury or death. Ground pump and

pumping system.

all wetted parts to assure compatibility before using

y Sparks can ignite flammable material and vapors.

with solvents of this type.

y The pumping system and object being sprayed must

CAUTION

Verify the chemical compatibility of the

be grounded when it is pumping, flushing, recirculat-

pump wetted parts and the substance being pumped,

ing or spraying flammable materials such as paints,

flushed or recirculated. Chemical compatibility may

solvents, lacquers, etc. or used in a location where sur-

change with temperature and concentration of the

rounding atmosphere is conductive to spontaneous

chemical(s) within the substances being pumped,

combustion. Ground the dispensing valve or device,

flushed or circulated. For specific fluid compatibility,

containers, hoses and any object to which material is

consult the chemical manufacturer.

being pumped.

CAUTION

Maximum temperatures are based on

y Use the pump grounding screw terminal provided.

mechanical

stress only. Certain chemicals will signifi-

Use ARO® part no. 66885-1 ground kit or connect a

cantly reduce maximum safe operating temperature.

suitable ground wire (12 ga. minimum) to a good

Consult the chemical manufacturer for chemical com-

earth ground source.

patibility and temperature limits. Refer to PUMP DATA

y Secure pump, connections and all contact points to

on page 1 of this manual.

avoid vibration and generation of contact or static

CAUTION

Be certain all operators of this equipment

spark.

have been

trained for safe working practices, under-

y Consult local building codes and electrical codes for

stand it’s limitations, and wear safety goggles / equip-

specific grounding requirements.

ment when required.

y After grounding, periodically verify continuity of

CAUTION

Do not use the pump for the structural sup-

electrical path to ground. Test with an ohmmeter

port of the piping system. Be certain the system com-

from each component (e.g., hoses, pump, clamps, con-

ponents are properly supported to prevent stress on

tainer, spray gun, etc.) to ground to insure continuity.

the pump parts.

Ohmmeter should show 0.1 ohms or less.

y Suction and discharge connections should be flex-

y Submerse the outlet hose end, dispensing valve or

ible connections (such as hose), not rigid piped,

device in the material being dispensed if possible.

and should be compatible with the substance being

(Avoid free streaming of material being dispensed.)

pumped.

Prevent unnecessary damage to the pump.

y Use hoses incorporating a static wire.

CAUTION

y Use proper ventilation.

Do not allow pump to operate when out of material

y Keep inflammables away from heat, open flames and

for long periods of time.

sparks.

y Disconnect air line from pump when system sits idle

y Keep containers closed when not in use.

for long periods of time.

Pump exhaust may contain contaminants.

CAUTION

Use only genuine ARO replacement parts to

WARNING

Can cause

severe injury. Pipe exhaust away from work

assure

compatible pressure rating and longest service

area and personnel.

life.

Replacement warning labels are available

y In the event of a diaphragm rupture, material can be

NOTICE

forced out of the air exhaust muffler.

upon request: “Static Spark” pn \ 93616-1, Diaphragm

y Pipe the exhaust to a safe remote location when

Rupture” pn \ 93122.

pumping hazardous or inflammable materials.

= Hazards or unsafe practices which

y Use a grounded 3/4” minimum i.d. hose between the

WARNING

pump and the muffler.

could result in severe personal injury,

HAZARDOUS PRESSURE. Can result in seri-

death or substantial property damage.

WARNING

ous injury

or property damage. Do not service or

CAUTION

= Hazards or unsafe practices which

clean pump, hoses or dispensing valve while the sys-

could result in minor personal injury,

tem is pressurized.

product or property damage.

y Disconnect air supply line and relieve pressure from

NOTICE

= Important installation, operation or

the system by opening dispensing valve or device and

maintenance information.

/ or carefully and slowly loosening and removing out-

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650719-C (en)