INCLUDING: OPERATION, INSTALLATION & MAINTENANCE 1 ...

1 OPERATOR'S MANUAL 66610X-X-C. INCLUDING: OPERATION, INSTALLATION & MAINTENANCE RELEASED: 8-24-89. REVISED: 7-1-02. (REV. V). 1 DIAPHRAGM PUMP. 1:1 RATIO (METALLIC). READ THIS MANUAL CAREFULLY BEFORE INSTALLING, OPERATING OR SERVICING THIS EQUIPMENT. It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference. SERVICE KITS. Refer to Model Description Chart" to match the pump material options. SINGLE MANIFOLD. 637118 C for Air Section repair (see page 6). 637119 XX C for Fluid Section repair (see page 4). 637167 Abrasion Resistant Conversion Kit is available for use in heavy and abrasive material applications (see page 4). PUMP DATA. Models .. See Model Description Chart" for XXX". Pump Type .. Metallic Air Operated Double Diaphragm. Material .. See Model Description Chart". Weight .. Aluminum .. 19 lbs ( kg). Cast Iron .. 31 lbs ( kg). Stainless Steel .. 36 lbs ( kg) DUAL MANIFOLD. [add 8 lbs ( kg) for cast iron air motor section] 6661XX XXX C.

2 Maximum Air Inlet Pressure .. 120 ( bar) 1'' DIAPHRAGM PUMP. Maximum Material Inlet Pressure .. 10 ( bar). Maximum Outlet Pressure .. 120 ( bar) MODEL DESCRIPTION CHART. Maximum Flow Rate (flooded inlet) .. 35 (133 ). Maximum Particle Size .. 1/8" dia. ( mm) 6661 X X X X X C. Maximum Temperature Limits CENTER BODY MATERIAL, THREADS. Polypropylene seats .. 35_ to 150_ F (2_ to 66_ C) 0 Aluminum, 2 Aluminum, BSP. Kynar (PVDF) seats .. 10_ to 200_ F ( 12_ to 93_ C) 1 Cast Iron, 3 Cast Iron, BSP. Dimensional Data .. see page 8. FLUID CAP / MANIFOLD MATERIAL, INLET / OUTLET. Noise Level @ 70 , 60 .. db(A)* (Steel Hardware) (Stainless Steel Hardware). 0 Aluminum, Single A Aluminum, Single * The pump sound pressure levels published here have been updated to an Equivalent Continuous 1 Stainless Steel, Single B Stainless Steel, Single Sound Level (LAeq) to meet the intent of ANSI 1971, CAGI PNEUROP using four micro 2 Cast Iron, Single C Cast Iron, Single phone locations. 9 Stainless Steel, Dual D Stainless Steel, Dual NOTICE: All possible options are shown in the chart.

3 However, certain SEAT MATERIAL. combinations may not be recommended, consult a representative or the 1 Aluminum 4 PVDF (KynarR). factory if you have questions concerning availability. 2 316 Stainless Steel 5 Carbon Steel 3 Polypropylene 8 Hard 440 Stainless Steel BALL MATERIAL. GENERAL DESCRIPTION 1 Neoprene 6 Acetal 2 Nitrile 8 Polyurethane The ARO Diaphragm Pump offers high volume delivery even at low air 3 VitonR A Stainless Steel pressure and a broad range of material compatibility options available. 4 (TeflonR) E Santoprene Refer to the model and option chart. ARO pumps feature stall resistant 5 design, modular air motor / fluid sections. DIAPHRAGM MATERIAL. Air operated double diaphragm pumps utilize a pressure differential in 1 Neoprene 3 Viton 9 Hytrel 2 Nitrile 5 B Santoprene the air chambers to alternately create suction and positive fluid pressure in 4 (Teflon) / Santoprene the fluid chambers, ball checks insure a positive flow of fluid. Pump cycling will begin as air pressure is applied and it will continue to FLUID SECTION SERVICE KIT SELECTION 6661XX X X X C.

4 Pump and keep up with the demand. It will build and maintain line pres EXAMPLE: MODEL # 666100 361 C 637119 X X C. sure and will stop cycling once maximum line pressure is reached (dis FLUID SECTION SERVICE KIT # 637119 61 C BALL DIAPHRAGM. pensing device closed) and will resume pumping as needed. INGERSOLL-RAND COMPANY. BOX 151 D ONE ARO CENTER D BRYAN, OHIO 43506 0151. & (419) 636-4242 D FAX (419) 633-1674 E2002 D PRINTED IN OPERATING AND SAFETY PRECAUTIONS. READ, UNDERSTAND, AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE. WARNING HAZARDOUS MATERIALS. Can cause serious in . EXCESSIVE AIR PRESSURE HAZARDOUS MATERIALS. STATIC SPARK HAZARDOUS PRESSURE jury 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 WARNING EXCESSIVE AIR PRESSURE. Can cause person laws and safety code requirements. al injury, pump damage or property damage. S Obtain Material Safety Data Sheets on all materials from the S Do not exceed the maximum inlet air pressure as stated on the supplier for proper handling instructions.

5 Pump model plate. WARNING EXPLOSION HAZARD. Models containing alumi . S Be sure material hoses and other components are able to with num wetted parts cannot be used with III. Trichloroethane, Me . stand fluid pressures developed by this pump. Check all hoses thylene Chloride or other Halogenated Hydrocarbon solvents for damage or wear. Be certain dispensing device is clean and which may react and explode. in proper working condition. S Check pump motor section, fluid caps, manifolds and all WARNING STATIC SPARK. Can cause explosion resulting in wetted parts to assure compatibility before using with solvents severe injury or death. Ground pump and pumping system. of this type. S Sparks can ignite flammable material and vapors. CAUTION Verify the chemical compatibility of the pump S The pumping system and object being sprayed must be wetted parts and the substance being pumped, flushed or re . grounded when it is pumping, flushing, recirculating or spray circulated. Chemical compatibility may change with tempera.

6 Ing flammable materials such as paints, solvents, lacquers, ture and concentration of the chemical(s) within the etc. or used in a location where surrounding atmosphere is substances being pumped, flushed or circulated. For specific conducive to spontaneous combustion. Ground the dispens fluid compatibility, consult the chemical manufacturer. ing valve or device, containers, hoses and any object to which CAUTION Maximum temperatures are based on mechani . material is being pumped. cal stress only. Certain chemicals will significantly reduce S Use the pump grounding screw terminal provided. Use Aro maximum safe operating temperature. Consult the chemical Part No. 66885 1 Ground Kit or connect a suitable ground wire manufacturer for chemical compatibility and temperature lim . (12 ga. min.) to a good earth ground source. its. Refer to PUMP DATA on page 1 of this manual. S Secure pump, connections and all contact points to avoid CAUTION Be certain all operators of this equipment have vibration and generation of contact or static spark.

7 S Consult local building codes and electrical codes for specific been trained for safe working practices, understand it's limita . grounding requirements. tions, and wear safety goggles / equipment when required. S After grounding, periodically verify continuity of electrical path CAUTION Do not use the pump for the structural support of to ground. Test with an ohmmeter from each component ( , the piping system. Be certain the system components are hoses, pump, clamps, container, spray gun, etc.) to ground to properly supported to prevent stress on the pump parts. insure continuity. Ohmmeter should show 100 ohms or less. S Suction and discharge connections should be flexible connec . S Submerse the outlet hose end, dispensing valve or device in tions (such as hose), not rigid piped, and should be compatible the material being dispensed if possible. (Avoid free streaming with the substance being pumped. of material being dispensed.) CAUTION Prevent unnecessary damage to the pump.

8 Do S Use hoses incorporating a static wire. not allow pump to operate when out of material for long periods S Use proper ventilation. of time. S Keep inflammables away from heat, open flames and sparks. S Disconnect air line from pump when system sits idle for long S Keep containers closed when not in use. periods of time. WARNING Pump exhaust may contain contaminants. Can CAUTION Use only genuine ARO replacement parts to as . cause severe injury. Pipe exhaust away from work area and per sure compatible pressure rating and longest service life. sonnel. NOTICE Replacement warning labels are available upon S In the event of a diaphragm rupture material can be forced out request: Static Spark PN \ 93616 1 & Diaphragm Rupture PN \. of the air exhaust muffler. 93122.". S Pipe the exhaust to a safe remote location when pumping haz . ardous or inflammable materials. S Use a grounded 3/8" min. hose between the pump and the WARNING = Hazards or unsafe practices which could muffler. result in severe personal injury, death or substantial property damage.

9 WARNING HAZARDOUS PRESSURE. Can result in serious injury or property damage. Do not service or clean pump, CAUTION = Hazards or unsafe practices which could hoses or dispensing valve while the system is pressurized. result in minor personal injury, product or S Disconnect air supply line and relieve pressure from the sys property damage. tem by opening dispensing valve or device and / or carefully NOTICE = Important INSTALLATION , operation or and slowly loosening and removing outlet hose or piping from MAINTENANCE information. pump. PAGE2 OF 8 66610X X C. AIR AND LUBE REQUIREMENTS MAINTENANCE CONT'D. WARNING EXCESSIVE AIR PRESSURE. Can cause pump S Provide a clean work surface to protect sensitive internal moving damage, personal injury or property damage. parts from contamination from dirt and foreign matter during service S A filter capable of filtering out particles larger than 50 microns should disassembly and reassembly. be used on the air supply. There is no lubrication required other than S Keep good records of service activity and include pump in preven.

10 The O" ring lubricant which is applied during assembly or repair. tive MAINTENANCE program. S If lubricated air is present, make sure that is compatible with the Ni S Before disassembling, empty captured material in the outlet man . trile O" rings in the air motor section of the pump. ifold by turning the pump upside down to drain material from the pump. OPERATING INSTRUCTIONS. FLUID SECTION DISASSEMBLY. S Always flush the pump with a solvent compatible with the material being pumped if the material being pumped is subject to setting up" 1. Remove top manifold(s). when not in use for a period of time. 2. Remove (22) balls, (19) O" rings, (21) seats. S Disconnect the air supply from the pump if it is to be inactive for a few 3. Remove (15) fluid caps. hours. NOTE:Only Teflon diaphragm models use a primary diaphragm (7) and S The outlet material volume is governed not only by the air supply but a backup diaphragm (8). Refer to the auxiliary view in the Fluid Section also by the material supply available at the inlet.