| | | | | | | / or carefully and slowly loosening and removing out- |
| EXCESSIVE AIR PRESSURE | | HAZARDOUS MATERIALS | | | let hose or piping from pump. |
| STATIC SPARK | | HAZARDOUS PRESSURE | | |
| | | | | | | WARNING | HAZARDOUS MATERIALS. Can cause serious |
| | | | | | |
| | | | | | | injury or | property damage. Do not attempt to return |
| | | | | | |
| | EXCESSIVE AIR PRESSURE. Can cause per- | a pump to the factory or service center that contains |
WARNING |
| | | | | | hazardous material. Safe handling practices must |
sonal injury, pump damage or property damage. |
y Do not exceed the maximum inlet air pressure as | comply with local and national laws and safety code |
stated on the pump model plate. | | | | requirements. |
y Be sure material hoses and other components are | y Obtain Material Safety Data Sheets on all materials |
able to withstand fluid pressures developed by this | from the supplier for proper handling instructions. |
pump. Check all hoses for damage or wear. Be certain | WARNING | EXPLOSION HAZARD. Models containing |
dispensing device is clean and in proper working con- | aluminum | wetted parts cannot be used with 1,1,1-tri- |
dition. | | | | chloroethane, methylene chloride or other haloge- |
| | STATIC SPARK. Can cause explosion result- | nated hydrocarbon solvents which may react and |
WARNING |
ing in severe injury or death. Ground pump and | explode. |
pumping system. | | | | y Check pump motor section, fluid caps, manifolds and |
y Use the pump ground lug provided. Connect to a 12 | all wetted parts to assure compatibility before using |
ga. (minimum) wire (kit is included) to a good earth | with solvents of this type. |
ground source. | | | | CAUTION | Verify the chemical compatibility of the |
y Sparks can ignite flammable material and vapors. | pump wetted parts and the substance being pumped, |
y The pumping system and object being sprayed must | flushed or recirculated. Chemical compatibility may |
be grounded when it is pumping, flushing, recirculat- | change with temperature and concentration of the |
ing or spraying flammable materials such as paints, | chemical(s) within the substances being pumped, |
solvents, lacquers, etc. or used in a location where | flushed or circulated. For specific fluid compatibility, |
surrounding atmosphere is conducive to spontaneous | consult the chemical manufacturer. |
combustion. Ground the dispensing valve or device, | CAUTION | Maximum temperatures are based on |
containers, hoses and any object to which material is | mechanical | stress only. Certain chemicals will signifi- |
being pumped. | | | | cantly reduce maximum safe operating temperature. |
y Secure pump, connections and all contact points to | Consult the chemical manufacturer for chemical com- |
avoid vibration and generation of contact or static | patibility and temperature limits. Refer to PUMP DATA |
spark. | | | | on page 1 of this manual. |
y Consult local building codes and electrical codes for | CAUTION | Be certain all operators of this equipment |
specific grounding requirements. | | | | have been | trained for safe working practices, under- |
y After grounding, periodically verify continuity of | stand it’s limitations, and wear safety goggles / equip- |
electrical path to ground. Test with an ohmmeter | ment when required. |
from each component (e.g., hoses, pump, clamps, con- | CAUTION | Do not use the pump for the structural sup- |
tainer, spray gun, etc.) to ground to insure continuity. | port of the piping system. Be certain the system com- |
Ohmmeter should show 0.1 ohms or less. | ponents are properly supported to prevent stress on |
y Submerse the outlet hose end, dispensing valve or | the pump parts. |
device in the material being dispensed if possible. | y Suction and discharge connections should be flex- |
(Avoid free streaming of material being dispensed.) | ible connections (such as hose), not rigid piped, |
y Use hoses incorporating a static wire. | and should be compatible with the substance being |
y Use proper ventilation. | | | | pumped. |
y Keep inflammables away from heat, open flames and | CAUTION | Prevent unnecessary damage to the pump. |
sparks. | | | | Do not allow pump to operate when out of material |
y Keep containers closed when not in use. | for long periods of time. |
WARNING | Pump exhaust may contain contaminants. | y Disconnect air line from pump when system sits idle |
Can cause | severe injury. Pipe exhaust away from work | for long periods of time. |
area and personnel. | | | | CAUTION | Use only genuine ARO® replacement parts |
y In the event of a diaphragm rupture, material can be | to assure | compatible pressure rating and longest ser- |
forced out of the air exhaust muffler. | vice life. |
y Pipe the exhaust to a safe remote location when | NOTICE | Install the pump in the vertical position. |
pumping hazardous or inflammable materials. | The pump | may not prime properly if the balls do not |
y Use a grounded 3/8” minimum i.d. hose between the | check by gravity upon start-up. |
pump and the muffler. | | | | NOTICE | Re-torque all fasteners before operation. |
| | HAZARDOUS PRESSURE. Can result in seri- | Creep of | housing and gasket materials may cause |
WARNING |
ous injury | or property damage. Do not service or | fasteners to loosen. Re-torque all fasteners to insure |
clean pump, hoses or dispensing valve while the sys- | against fluid or air leakage. |
tem is pressurized. | | | | NOTICE | Replacement warning labels are available |
y Disconnect air supply line and relieve pressure from | upon request: “Static Spark” pn \ 93616-1, Diaphragm |
the system by opening dispensing valve or device and | Rupture” pn \ 93122. |
