Service Manual
Contents
1. et3dl1sm rev0711 Model ET3 M Type1 Page 3 AIR SUPPLY Air supply pressures cannot exceed 125 psi 8 61 bar Connect the pump air inlet see Fig 1 to an air supply of sufficient capacity and pressure required for desired performance When the air line is solid piping use a short length of flexible hose not less than 19mm in diameter between pump and piping to eliminate strain to pipes AIR INLET amp PRIMING For start up open an air valve approximately 1 2 to turn After the unit primes an air valve can be opened to increase flow as desired If opening the valve increases cycling rate but does not increase flow rate cavitation has occurred and the valve should be closed slightly For the most efficient use of compressed air and the longest diaphragm life throttle the air inlet to the lowest cycling rate that does not reduce flow A NOTE ABOUT AIR VALVE LUBRICATION The SandPIPER pump s pilot valve and main air valve assemblies are designed to operate WITHOUT lubrication This is the preferred mode of operation There may be instances of personal preference or poor quality air supplies when lubrication of the compressed air supply is required The pump air system will operate with properly lubricated compressed air supplies Proper lubrication of the compressed air supply would entail the use of an air line lubricator available from Warren Rupp set to deliver one drop of 10 wt non detergent oil for every 20 SCFM2. Tee Pipe Nipple Pipe Boss Plug and O Ring Clip Safety Connector SS only Tube Sight Stud O Ring End Cap Main Air Valve Assembly AL Includes Items 9 10 11 13 14 15 16 amp 61 Main Air Valve Assembly SS Includes Items 9 10 11 13 14 15 16 amp 61 Item 6 is available in kit form Order P N 031 055 000 which also includes Items 5 7 12 amp 20 475 128 000 475 120 360 479 120 635 AIR END KIT Seals O Rings Gaskets Air Valve Sleeve and Spool Pilot Valve Assembly WETTED END KIT Buna Diaphragms Check Balls and Seats WETTED END KIT TOTAL RQD m s NSO RO OMNA MNARA RA FS PP Po wwPTFE Pumping Diaphragms Check Balls and Seats Neoprene Driver Diaphragm et3dl1sm rev0711 Repair Parts shown in bold face darker type are more likely to need replacement after extended periods of normal use They are readily available from most Warren Rupp distributors The pump owner may prefer to maintain a limited inventory of these parts in his own stock to reduce repair downtime to a minimum IMPORTANT When ordering repair parts always furnish pump model number serial number and type number Model ET3 M Type 1 Page 9 Note For models using Virgin PTFE pumping diaphragms Item 40 the natural bulge goes toward the center of the pump 60 DA p 2005 Warren Rupp Inc All rights reserved Warren Rupp and SANDPIPER are tradenames of Warren Rupp Inc Prin
3. Model ET3 M Type 1 Page 4 et3dl1sm rev0711 preventive maintenance schedule to do so on aregular basis This practice should include cleaning the spool and sleeve components with a safety solvent or equivalent inspecting for signs of wear or damage and replacing worn components To re install the sleeve and spool set lightly lubricate the o rings on the sleeve with an o ring assembly lubricant or lightweight oil such as 10 wt air line lubricant Press the set into the valve body easily without shearing the o rings Re install one end cap and retaining ring on the valve body Using the arbor press or bench vise that was used in disassembly press the sleeve back into the valve body Re install the spool keeping the counter bored end toward you and install the spring opposite end cap and retaining ring on the valve body After inspecting and cleaning the gasket surfaces on the valve body and intermediate re install the valve body on the pump using new gaskets Tighten the four hex head capscrews evenly and in an alternating cross pattern at 150 in Ibs 16 94 Newton meters AIR EXHAUST If a diaphragm fails the pumped liquid or fumes can enter the air end of the pump and be exhausted into the atmosphere When pumping hazardous or toxic materials pipe the exhaust to an appropriate area for safe disposition This pump can be submerged if materials of construction are compatible with the liquid The air exhaust must be piped above the l
4. 100 010 132 022 360 960 022 360 685 041 120 170 024 330 030 008 000 900 006 330 045 008 330 900 003 330 612 124 010 286 028 354 286 028 365 286 028 363 286 028 360 286 028 364 722 041 365 722 041 360 122 041 363 122 041 364 722 041 600 DESCRIPTION Bearing Sleeve Bracket Intermediate Bracket Intermediate Seal U Cup Bushing Threaded with O Ring Plunger Actuator Pilot Valve Body Assembly Pilot Valve Body Sleeve with O Ring O Ring Sleeve Spool with O Ring O Ring Spool Retaining Ring Gasket Valve Body O Ring Body Valve AL Body Valve Cl Bumper Valve Spool Cap End Gasket Valve Body Gasket End Cap O Ring Sleeve amp Spool Set Capscrew Hex Head Capscrew Hex Head Bumper Diaphragm Chamber Inner Bumper O Ring Rod Diaphragm Capscrew Hex Head Muffler Exhaust Washer Lock Nut Hex Washer Lock Plate Inner Diaphragm Diaphragm Diaphragm Diaphragm Diaphragm Diaphragm Seat Valve Seat Valve Seat Valve Seat Valve Seat Valve CE SERVICE AND OPERATING MANUAL Original Instructions ET3 M CONTAINMENT DUTY Type 1 TOTAL RQD EFPPP PP MM NMY NYDN YH GOH 0AN NNN AODA ONAN N gt S gt Na aN FF H BSH MaN NYY PL Pw Repair Parts shown in bold face darker type are more likely to need replacement after extended periods of normal use They are readily available from most Warren Rupp distributors The pump owner may prefer to maintain a limited inventory
5. 11 16 94 DISCHARGE PORT 3 R F 150 LBS STYLE FLANGE FOUR 4 3 4 DIA THRU HOLES EQUALLY SPACED ON A 6 DIA BOLT CIRCLE A x 3 4 NPTEF z AIR INLET gt 3 4 NPT F A AIR EXHAUST z 7 gt 3 SUCTION PORT 3 R F 150 LBS STYLE FLANGE FOUR 4 3 4 DIA THRU HOLES EQUALLY SPACED ON A 6 DIA BOLT CIRCLE S E ee aa 14 9 18 DIA MOUNTING HOLE 22 1 4 565 TYP 4 PLACES 132 5 3 16 12 5 8 321 10 3 8 264 25 1 4 641 13 1 8 333 3 13 16 97 30 3 4 780 3 ASA STYLE FLANGED SUCTION AND DISCHARGE NPT F AIR INLET PORT NPT F AIR EXHAUST PORT Copyright 2006 Warren Rupp Inc All rights reserved Specifications are subject to improvement without notice SANDPIPER is a registered tradename of Warren Rupp Inc Model ET3 M Type 1 Page 2 et3dl1sm rev0711 SERVICE AND OPERATING MANUAL ANI DPIPERD C Original Instructions A WARREN RUPP INC BRAND ET3 M IREX CONTAINMENT DUTY Type 1 PRINCIPLE OF OPERATION This ball check valve pump is powered by compressed air and is a 1 1 pressure ratio design It alternately pressurizes the inner side of one diaphragm chamber while simultaneously exhausting the other inner chamber This causes the diaphragms which are connected by a common rod to move endwise Air pressure is applied over the entire surface of the diaphragm while liquid is discharged from the opposite side The diaphragm operates under a b
6. 3 505 506 520 521 540 541 542 544 550 551 552 999 556 Geolast Color BLACK Injection Molded 203 40 Santoprene Duro 40D 5 Color RED Thermal Plastic Hytrel Color BLUE Injection Molded Polyurethane Color GREEN Urethane Rubber Color NATURAL Some Applications Compression Mold Urethane Rubber Color NATURAL Nitrile Rubber Color Coded RED Nitrile FKM Fluorocarbon Color Coded YELLOW E P D M Rubber Color Coded BLUE Neoprene Rubber Color Coded GREEN Food Grade Nitrile Color WHITE Food Grade EPDM Color GRAY Butyl Rubber Color Coded BROWN Philthane Tuftane Carboxylated Nitrile Fluorinated Nitrile High Density Polypropylene Conductive Nitrile Color Coded RED amp SILVER Conductive Neoprene Color Coded GREEN amp SILVER Cellulose Fibre Cork and Neoprene Compressed Fibre Blue Gard Vegetable Fibre Fibre Delrin 500 Delrin 570 Conductive Acetal ESD 800 Color BLACK Conductive Acetal Glass Filled Color BLACK Color Coded YELLOW Acrylic Resin Plastic Delrin 150 Injection Molded PVDF Color NATURAL Injection Molded Conductive PVDF Color BLACK Color Coded LIGHT GREEN Nylon Nylon Nylon Nylon Injection Molded Polyethylene Glass Filled Polypropylene Color BLACK Unfilled Polypropylene Color NATURAL Polyvinyl Chloride Black Vinyl 557 Conductive Polypropylene Color BLACK Color Coded SILVER 558 Conductive HDPE Color BLACK
7. 68 USA certifies that Air Operated Double Diaphragm Pump Series HDB HDF M Non Metallic S Non Metallic M Metallic S Metallic T Series G Series RS Series U Series EH and SH High Pressure W Series SMA and SPA Submersibles and Tranquilizer Surge Suppressors comply with the European Community Directive 2006 42 EC on Machinery according to Annex VIII This product has used Harmonized Standard EN 809 Pumps and Pump Units for Liquids Common Safety Requirements to verify conformance Pleat he eeben October 20 2005 Signature of authorized person Date of issue yeep David Roseberry Engineering Manager Printed name of authorized person Title MAY 27 2010 Revision Level E Dae a reuson FLUID amp METERING fAYULLIOJUOTD jo vonese paq AUILWIOJUOTD JO UO et3dl1sm rev0711 Model ET3 M Type 1 Page 13
8. Color Coded SILVER 559 Conductive Polypropylene Color BLACK Color Coded SILVER 570 Rulon Il 580 Ryton 590 Valox 591 Nylatron G S 592 Nylatron NSB 600 PTFE virgin material Tetrafluorocarbon TFE 601 PTFE Bronze and moly filled 602 Filled PTFE 603 Blue Gylon 604 PTFE 606 PTFE 607 Envelon 608 Conductive PTFE Color BLACK 610 PTFE Encapsulated Silicon 611 PTFE Encapsulated FKM 632 Neoprene Hytrel 633 FKM PTFE 634 EPDM PTFE 635 Neoprene PTFE 637 PTFE FKM PTFE 638 PTFE Hytrel PTFE 639 Nitrile TFE 643 Santoprene EPDM 644 Santoprene PTFE 656 Santoprene Diaphragm and Check Balls EPDM Seats 661 EPDM Santoprene 666 FDA Nitrile Diaphragm PTFE Overlay Balls and Seals 668 PTFE FDA Santoprene PTFE Delrin is a registered tradename of E I DuPont Gylon is a registered tradename of Garlock Inc Nylatron is a registered tradename of Polymer Corp Santoprene is a registered tradename of Exxon Mobil Corp Rulon Il is a registered tradename of Dixion Industries Corp Ryton is a registered tradename of Phillips Chemical Co Valox is a registered tradename of General Electric Co PortaPump Tranquilizer and SludgeMaster are registered tradenames of Warren Rupp Inc Model ET3 M Type 1 Page 12 et38dl1sm rev07 11 WARREN RUPP INC Declaration of Conformity Manufacturer Warren Rupp Inc 800 N Main Street P O Box 1568 Mansfield Ohio 44901 15
9. L356T6 416sS N PS N N N AL356T6 mm ra ALasere ALgsere oi acsseve aLesere ci atssste aress r ps e e r atasere 20 rrov A ALssere ALss6r6 Di acsseve a sere ci Losers aress r ps v v r atasere 2 rras ra ALssere ALss6r6 Di aLsseve alaste ci Aussere aress n ps s s n maste 20 i AL Aluminum DI Ductile Iron PS Plated Steel T Virgin PTFE Meanings of B BunaN E EPDM S Santoprene WR S Warren Rupp Alloy Type 316 Stainless Steel Abbreviations Cl Cast Iron N Neoprene SS Stainless Steel Viton is a registered tradename of E I du Pont Santoprene is a registered tradename of Monsanto Corp SANDPIPER and Warren Rupp are registered tradenames of Warren Rupp Inc et3dl1sm rev0711 Model ET3 M Type 1 Page 1 ET3 M containment pory SANDPIPER T Operating Temperatures MER Maximum Minimum BUNA N General purpose oil resistant Shows good solvent oil water and hydraulic fluid 190 F 88 C resistance Should not be used with highly polar solvents like acetone and MEK ozone eee Oat chlorinated hydrocarbons and nitro hydrocarbons 10 C to 60 C EPDM Shows very good water and chemical resistance Has poor resistance to oil and solvents 212 F 10 F 50 F to 212 F but is fair in ketones and alcohols 100 C 23 C 10 C to 100 C NEOPRENE All purpose Resistant to vegetable oils Generally not affected b
10. SERVICE AND OPERATING MANUAL SAN DPIPER C Original Instructions A WARREN RUPP INC BRAND ET3 M IREX CONTAINMENT DUTY Type 1 Table of Contents Engineering Data Temperature Limitations amp Performance Curve 0 1 Explanation of Pump NOMEN CIAtUIE cc cece eeceeeceeeeeeeteceteeeeneeeeetaeeaeeteeeeaeenees 1 DIMEN HONS cree paseesga sa necee EN E aurea dereg annes tannins casa E E 2 FPPC ID IS OF DCF AMON eane tesanconosamosgane tiene E 3 Installation ANd Start Up 20 0 ceccseceseeeseeeeeeeeeeeeeteeeeeeeeeeeeetseeeseeseeseeeneeteeeeeeenes 3 AUDY erei A E E eee ee 4 PAI TINGE Cer MIMIC renren aE E EE EEEE EEEE EEEE 4 ESADS Plus Externally Serviceable Air Distribution System ccceeeeeeeeeeees 4 PMI TE VN Ucar sacs E eeu caleceswtaneamaeegaaenes 9 Between USES vii inessuanesnannngs lt ryeesnesndarbidedaserasievadasaemmaadiardesaleniepemaventiavecvnnatiaarenieenss 5 Check Valve SOrviCiind ccccccccscccasccesecaecccecececeeseeceesueesaeeeeaeeseeecseesaeesaseseseneness 6 Diap MAGI gt Gl ICING cecczececrostucactetsnenexcecaseadecadmecancadnecarecscecustessecsesacsansseceuapatseeesns 6 FOE Wall VC EE E tecgaanoinucesures E EE E T E yet orsuagaseuiens 6 PIO VINC AC UO A E EA 6 Service Instructions Troubleshooting cece cece eecceeeceeeeaeeeseeeseeeeeeeseeeeeneeaeees T MAI AI ee E E E E E E E E E E EE T Composite Repair Parts LISE scsnaawaccnincnenianatenmnateecanntanent
11. alanced condition during the discharge stroke which allows the unit to be operated at discharge heads over 200 feet 61 meters of water head Since the diaphragms are connected by a common rod secured by plates to the center of the diaphragms one diaphragm performs the discharge stroke while the other is pulled to perform the suction stroke in the opposite chamber For maximum diaphragm life keep the pump as close to the liquid being pumped as possible Positive suction head in excess of 10 feet of liquid 3 048 meters may require a back pressure regulating device This will maximize diaphragm life Alternate pressuring and exhausting of the diaphragm chamber is performed by means of an externally mounted pilot operated four way spool type air distribution valve When the spool shifts to one end of the valve body inlet air pressure is applied to one diaphragm chamber and the other diaphragm chamber exhausts When the spool shifts to the opposite end of the valve body the porting of chambers is reversed The air distribution valve spool is moved by an internal pilot valve which alternately pressurizes one side of the air distribution valve spool while exhausting the other side The pilot valve is shifted at each end of the diaphragm stroke by the diaphragm plate coming in contact with the end of the pilot valve spool This pushes it into position for shifting of the air distribution valve The chambers are manifolded together with a suction a
12. anienteaddenseeieaebnenmmcnddtneines 8 9 Composite Repair FAW IAG wscteratccatatansesanaacentaaannuaesensestyaeaticuns sensei aataeeneaaneiee 10 Important Safety Information cccccccccsecceeeeeeeeceeeceeeseeeeseeeeeeeseeeseeeeeesseeeaeeeas 11 Material COG CS arreen sn E EEEE EREA 12 Declaration of Conformity Machinery cccccccceecceeeceeeeeeeeseeeeeeseeeseeeeeeeeaeeees 13 Warren Rupp Inc A Unit of IDEX Corporation 800 N Main St Mansfield Ohio 44902 USA Telephone 419 524 8388 Fax 419 522 7867 www warrenrupp com Model ET3 M Type1 Page 6 et3dl1sm rev0711 SANDPIPERs A WARREN RUPP PUMP BRAND Quality System ISO9001 Certified CONTAINMENT DUTY Environmental T Management System E 3 M Type l IS014001 Certified Air Powered Double Diaphragm Pump IDEX CORPORATION ENGINEERING PERFORMANCE amp CONSTRUCTION DATA INTAKE DISCHARGE PIPE SIZE CAPACITY AIR VALVE SOLIDS HANDLING HEADS UP TO 3 76mm 150 raised face flange 0 to 260 gallons per minute No lube no stall Up to 7 16 10 mm 125 psi or 289 ft of water 0 to 988 liters per minute design 8 8 Kg cm or 88 meters SANDPIPER Containment Duty Pumps Sealless Safety This pump is part of the Containment Duty Pumps It is specially fitted with elastomeric driver diaphragms aluminum spill containment chambers and elastomeric or PTFE pumping diaphragms The liquid filled containment chambers provide an additional spill contain
13. certain that all bolting is in good condition and that all of the correct bolting is reinstalled during assembly WARNING When used for toxic or aggressive fluids the pump should always be flushed clean prior to disassembly 4 WARNING Before doing any maintenance on the pump be certain all pressure is completely vented from the pump suction discharge piping and all other openings and connections Be certain the air supply is locked out or made non operational so that it cannot be started while work is being done on the pump Be certain that approved eye protection and protective clothing are worn all times in the vicinity of the pump Failure to follow these recommendations may result in serious injury or death WARNING Airborne particles and loud noise hazards Wear ear and eye protection RECYCLING Many components of SANDPIPER AODD pumps are made of recyclable materials We encourage pump users to recycle worn out parts and pumps whenever possible after any hazardous pumped fluids are thoroughly flushed et3dl1sm rev0711 Model ET3 M Type 1 Page 11 000 010 012 015 020 025 080 100 110 111 112 113 114 115 117 120 123 148 149 150 151 152 154 155 156 157 158 159 162 165 166 170 175 180 305 306 307 308 309 310 313 330 331 332 333 335 336 337 340 342 351 MATERIAL CODES THE LAST 3 DIGITS OF PART NUMBER Assembly sub assembly an
14. d capscrews The valve body assembly is removed from the pump by removing these four hex head capscrews With the valve body assembly off the pump access to the sleeve and spool set is made by removing a retaining ring each end securing the end cap on the valve body assembly With the end caps removed slide the spool back and forth in the sleeve The spool is closely sized to the sleeve and must move freely to allow for proper pump operation An accumulation of oil dirt or other contaminants from the pump s air supply or from a failed diaphragm may prevent the spool from moving freely This can cause the spool to stick in a position that prevents the pump from operating If this is the case the sleeve and spool set should be removed from the valve body for cleaning and further inspection Remove the spool from the sleeve Using an arbor press or bench vise with an improvised mandrel press the sleeve from the valve body Take care not to damage the sleeve At this point inspect the o rings on the sleeve for nicks tears or abrasions Damage of this sort could happen during assembly or servicing A sheared or cut o ring can allow the pump s compressed air supply to leak or bypass within the air valve assembly causing the pump to leak compressed air from the pump air exhaust or not cycle properly This is most noticeable at pump dead head or high discharge pressure conditions Replace any of these o rings as required or set up a routine
15. d manifold to chamber flange joints B Make certain the suction line or strainer is not plugged Restriction at the suction is indicated by a high vacuum reading when a vacuum gauge is installed in the suction line C Check valves may not be seating properly To check remove the suction line and cover the suction port with your hand If the unit does not pull a good suction vacuum the check valves should be inspected for proper seating D Static suction lift may be too high Priming can be improved by elevating the suction and discharge lines higher than the check valves and pouring liquid into the unit through the suction inlet When priming at high suction lifts or with long suction lines operate the pump at maximum cycle rate E Incorrect driver fluid level or air has not been properly purged 3 Low performance A Capacity is reduced as the discharge pressure increases as indicated on the performance curve Performance capability varies with available inlet air supply Check air pressure at the pump inlet when the pump is operating to make certain that adequate air supply is maintained B Check vacuum at the pump suction Capacity is reduced as vacuum increases Reduced flow rate due to starved suction will be evident when cycle rate can be varied without change in capacity This condition will be more prevalent when pumping viscous liquids When pumping thick heavy materials the suction line must be kept as large in diameter and as sh
16. d some purchased items Cast Iron Powered Metal Ductile Iron Ferritic Malleable Iron Music Wire Carbon Steel AISI B 1112 Alloy 20 Alloy Type 316 Stainless Steel Alloy Type 316 Stainless Steel Electro Polished Alloy C Alloy Type 316 Stainless Steel Hand Polished 303 Stainless Steel 302 304 Stainless Steel 440 C Stainless Steel Martensitic 416 Stainless Steel Wrought Martensitic 410 Stainless Steel Wrought Martensitic Hardcoat Anodized Aluminum 2024 T4 Aluminum 6061 T6 Aluminum 6063 T6 Aluminum 2024 T4 Aluminum 2023 T351 Almag 35 Aluminum 356 T6 Aluminum 356 T6 Aluminum Die Cast Aluminum Alloy 380 Aluminum Alloy SR 319 Anodized Aluminum Brass Yellow Screw Machine Stock Cast Bronze 85 5 5 5 Bronze SAE 660 Bronze Bearing Type Oil Impregnated Die Cast Zinc Copper Alloy Carbon Steel Black Epoxy Coated Carbon Steel Black PTFE Coated Aluminum Black Epoxy Coated Stainless Steel Black PTFE Coated Aluminum Black PTFE Coated PVDF Coated Aluminum White Epoxy Coated Zinc Plated Steel Chrome Plated Steel Aluminum Electroless Nickel Plated Carbon Steel Electroless Nickel Plated Galvanized Steel Zinc Plated Yellow Brass Silver Plated Steel Nickel Plated Filled Nylon Food Grade Santoprene Color NATURAL 353 354 355 356 357 358 359 360 361 363 364 365 366 368 370 371 374 375 378 379 384 405 408 425 426 440 465 500 501 502 50
17. e pump s cycling but not pumping Remove the six flange bolts securing the inlet and outlet flanges to the manifold Inspect the surfaces of both check valve and seat for wear or damage that could prevent proper sealing If pump is to prime properly valves must seat air tight See Fig 6 DIAPHRAGM SERVICING Driver Diaphragms Drain the driver diaphragm chamber by removing the boss plug on the underside of the driver chamber NOTE This is also the part used for leak detector probes Remove twelve bolts securing the two manifolds to the chambers Remove eight bolts securing the diaphragm chamber This permits inspection of the TFE diaphragm and the driver diaphragm Loosen the plate which secures the diaphragm and plate to the rod by keeping the diaphragm engaged with the inner diaphragm chamber Insert two or three capscrews through the bolt holes so the diaphragm cannot rotate when loosening The diaphragm plates diaphragm and bumper will now come off the assembly Repeat all actions if the other diaphragm needs to be inspected or replaced NOTE See Filling of Driver Chamber with Liquid for the correct procedure to recharge the pump for operation Reassembly is the reverse of the tear down During reassembly be sure the rubber bumper is on the rod on each side Install the diaphragm with the natural bulge to the outside as marked on the diaphragm Be sure that the large radius side of each plate is toward the diaphragm Place the sea
18. iquid level Piping used for the air exhaust must not be smaller than 1 2 54 cm Reducing the pipe size will restrict air flow and reduce pump performance When the product source is at a higher level than the pump flooded suction pipe the exhaust higher than the product source to prevent siphoning spills Freezing or icing of the air exhaust can occur under certain temperature and humidity conditions Use of a Warren Rupp Extractor Dryer unit should eliminate most icing problems Check the exhaust periodically for build up of ice or contaminants see Fig 2 BETWEEN USES When used for materials that tend to settle out or transform to solid form the pump should be completely flushed after each use to prevent damage Product remaining in the pump between uses could dry out or settle out This could cause problems with valves and diaphragms at re start In freezing temperatures the pump must be drained between uses in all cases FILLING OF DRIVER CHAMBER WITH LIQUID The driver chambers are filled at the factory with water If you need to substitute another liquid to prevent system contamination first consult the factory for chemical compatibility with pump construction Follow the steps listed below to replace the liquid in the pump after disassembly or liquid loss 1 Filling is accomplished through the pipe plugs at the top of the liquid driver chamber see Fig 3 2 After the driver fluid has been emptied from the pump the dri
19. ling washer between the inner diaphragm plate and the end of the rod Tighten the plate to approximately 25 ft Ibs 3 456 pounds sq cm Torque while allowing the diaphragm to turn freely with the plate Hold the opposite side with a wrench on the plate to prevent rotation of the rod If the opposite chamber is assembled this will not be necessary When reassembling the outer chambers and the manifold the bolts securing the manifold flange to the chamber should be snugged prior to tightening the manifold flange Finish tightening the manifold flange bolts after the chamber bolting is secured PILOT VALVE The pilot valve assembly is accessed by removing the main air distribution valve body from the pump and lifting the pilot valve body out of the intermediate housing see Fig 9 Most problems with the pilot valve can be corrected by replacing the o rings Always grease the spool prior to inserting it into the sleeve If the sleeve is removed from the body reinsertion must be at the chamfered side Grease the o rings to slide the sleeve into the valve body Securely insert the retaining ring around the sleeve When reinserting the pilot valve push both plungers located inside the intermediate bracket out of the path of the pilot valve spool ends to avoid damage PILOT VALVE ACTUATOR Bushings for the pilot valve actuators are held in the inner chambers with retaining rings An o ring is behind each bushing If the plunger has any sideway
20. ment barrier should a pumping diaphragm fail The Containment Duty design gives the pump user advanced warning of diaphragm failure before pumpage can damage the air valve or be released into the work environment A sight tube style of visual leak detection is standard on this pump displaying an obvious color change if a leak occures in the pumping diaphragm Electronic leak detection is optional with this model The Containment Duty Pumps offers many different levels of materials and spill monitoring devices designed to fit a variety of applications and budgets PERFORMANCE CURVES SANDPIPER pumps are designed to be powered only by compressed air Temperature Limit 212 F 100 C AIR CONSUMPTION IN SCFM SANDPIPER Model ET3 M SANDPIPER Model ET3 M Performance based on water Performance based on water at ambient temperature at ambient temperature Average displacement per Average displacement per pump stroke 1 25 gallons pump stroke 4 783 liters TOTAL HEAD IN PSI TOTAL HEAD IN Kg cm2 CAPACITY IN US GALLONS PER MINUTE CAPACITY IN LITERS PER MINUTE MATERIALS OF CONSTRUCTION ET3 M Type 1 Outer _ Inner Shipping Manifold Outer Inner Driver Diaphragm Diaphragm Intermediate Diaphragm Valve Hardware Pumping Ball Valve Air Valve Weight Chamber Chamber Chamber Plate Plate Housing Rod Seat Diaphragm Diaphragm Material Ibs TNN 1 A_ AL356T6 AL356T6 D _ aL356T6 AL356T6 C A
21. nd discharge check valve for each chamber maintaining flow in one direction through the pump This SandPIPER pump differs from others in that it utilizes four diaphragms instead of two The two rod connected diaphragms are the driver diaphragms and the other two outermost diaphragms are the actual pumping diaphragms Each driver diaphragm of Neoprene or other elastomer and the pumping diaphragm of TFE are separated by a chamber filled with liquid which transmits the reciprocating motion of the driver diaphragm to the pumping diaphragm The pumping diaphragms create the alternating suction and discharge action to each outer diaphragm chamber The pumping diaphragms are the only ones in contact with the liquid being pumped INSTALLATION amp START UP Locate the pump as close to the product being pumped as possible keeping suction line length and number of fittings to a minimum Do not reduce line size For installations of rigid piping short flexible sections of hose should be installed between pump and piping This reduces vibration and strain to the piping system A Warren Rupp Tranquilizer surge suppressor is recommended to further reduce pulsation in flow This pump was tested at the factory prior to shipment and is ready for operation It is completely self priming from a dry start for suction lifts of 10 15 feet 9 14 meters or less For suction lifts exceeding 15 feet of liquid fill the chambers with liquid prior to priming
22. of air the pump consumed at its point of operation Consult the pump s published Performance Curve to determine this It is important to remember to inspect the sleeve and spool set routinely It should move back and forth freely This is most important when the air supply is lubricated If a lubricator is used oil accumulation will over time collect any debris from the compressed air This can prevent the pump from operating properly Water in the compressed air supply can create problems such as icing or freezing of the exhaust air causing the pump to cycle erratically or stop operating This can be addressed by using a point of use air dryer available from Warren Rupp to supplement a plant s air drying equipment This device will remove excess water from the compressed air supply and alleviate the icing or freezing problem ESADS EXTERNALLY SERVICEABLE AIR DISTRIBUTION SYSTEM Please refer to the exploded view drawing and parts list in the Service Manual supplied with your pump If you need replacement or additional copies contact your local Warren Rupp Distributor or the Warren Rupp factory Literature Department at the number shown below To receive the correct manual you must specify the MODEL and TYPE information found on the name plate of the pump MODELS WITH 1 SUCTION DISCHARGE OR LARGER AND NON METAL CENTER SECTIONS The main air valve sleeve and spool set is located in the valve body mounted on the pump with four hex hea
23. of these parts in his own stock to reduce repair downtime to a minimum IMPORTANT When ordering repair parts always furnish pump model number serial number and type number et3dl1sm rev07 11 ITEM NO 32 36 37 38 40 41 43 44 52 53 Not Shown PART NUMBER 050 014 365 050 014 364 050 014 360 050 015 600 518 123 156 518 123 110 518 124 156 518 124 110 170 055 330 326 002 080 286 067 354 286 067 365 286 067 360 286 067 363 286 067 364 286 068 604 170 034 330 807 046 330 196 052 156 196 052 110 612 090 156 170 102 330 170 102 115 196 136 156 196 136 110 196 141 156 196 141 110 426 042 000 866 059 115 618 003 110 835 005 115 538 083 115 618 025 115 210 008 330 866 060 110 860 047 606 807 042 115 560 023 360 031 090 156 031 090 010 DESCRIPTION Ball Check Valve Ball Check Valve Ball Check Valve Ball Check Valve Manifold Suction AL Manifold Suction SS Manifold Discharge AL Manifold Discharge SS Capscrew Hex Head Mounting Foot Diaphragm Pumping Diaphragm Pumping Diaphragm Pumping Diaphragm Pumping Diaphragm Pumping Diaphragm Pumping Capscrew Hex Head Stud Chamber Outer AL Chamber Outer SS Plate Outer Diaphragm Assembly Capscrew Hex Head AL only Capscrew Hex Head SS only Chamber Chamber Chamber PTFE overlay and PTFE pumping Chamber PTFE overlay and PTFE pumping Hose Assembly Fitting Male Plug Pipe
24. ort as possible to keep suction loss minimal C Low flow rate and slow cycling rate indicate restricted flow through the discharge line Low flow rate and fast cycling rate indicate restriction in the suction line or air leakage into suction D Unstable cycling indicates improper check valve seating on one chamber This condition is confirmed when unstable cycling repeats consistently on alternate exhausts Cycling that is not consistently unstable may indicate partial exhaust restriction due to freezing and thawing of exhaust air Use of an anti freeze lubricant in an air line lubricator should solve this problem E Incorrect driver fluid level or air has not been properly purged For additional information see the Warren Rupp Trouble Shooting Guide WARRANTY This pump is warranted for a period of five years against defective material and workmanship Failure to comply with the recommendations stated in this manual voids all factory warranty et3dl1sm rev0711 Model ET3 M Type 1 Page 7 SANDPIPER A WARREN RUPP INC BRAND 31 Model ET3 M Type 1 IREX FLUID amp METERING PART NUMBER 070 006 170 114 002 156 114 002 010 720 004 360 135 008 000 620 004 114 095 073 000 095 070 558 755 025 000 960 033 360 775 026 000 960 023 360 675 037 080 360 041 425 960 001 360 095 043 156 095 043 010 132 014 358 165 066 010 360 048 425 360 010 425 960 020 360 031 069 000 170 032 330 170 045 330 132 002 360 196
25. s motion check o rings and bushings for deterioration or wear The plunger may be removed for inspection or replacement First remove the air distribution valve body and the pilot valve body from the pump The plungers can be located by looking into the intermediate It may be necessary to use a fine piece of wire to pull them out The bushing can be turned out through the inner chamber by removing the outer chamber assembly Replace the bushings if pins have bent see Fig 10 and Fig 11 Model ET3 M Type 1 Page 6 et38dl1sm rev07 11 SERVICE INSTRUCTIONS TROUBLE SHOOTING 1 Pump will not cycle A Check to make sure the unit has enough pressure to operate and that the air inlet valve is open B Check the discharge line to insure that the discharge line is neither closed nor blocked C If the spool in the air distribution valve is not shifting check the main spool It must slide freely D Excessive air leakage in the pump can prevent cycling This condition will be evident Air leakage into the discharge line indicates a ruptured diaphragm Air leakage from the exhaust port indicates leakage in the air distribution valve See further service instructions E Blockage in the liquid chamber can impede movement of diaphragm 2 Pump cycles but will not pump A Suction side of pump pulling in air Check the suction line for air leaks and be sure that the end of the suction line is submerged Check flange bolting Check valve flanges an
26. ted in U S A Model ET3 M Type 1 Page 10 et3dl1sm rev0711 IMPORTANT SAFETY INFORMATION IMPORTANT Read these safety warnings and instructions in this manual completely before installation and start up of the pump It is the responsibility of the purchaser to retain this manual for reference Failure to comply with the recommendations stated in this manual will damage the pump and void factory warranty CAUTION Before pump operation inspect all gasketed fasteners for looseness caused by gasket creep Re torque loose fasteners to prevent leakage Follow recommended torques stated in this manual WARNING Before maintenance or repair shut off the com pressed air line bleed the pressure and disconnect the air line from the pump The discharge line may be pressurized and must be bled of its pressure 4 WARNING In the event of diaphragm rupture pumped material may enter the air end of the pump and be discharged into the atmosphere If pumping a product which is hazardous or toxic the air exhaust must be piped to an appropriate area for safe disposition AWARNING Take action to prevent static sparking Fire or explosion can result especially when handling flammable liquids The pump piping valves containers or other miscellaneous equipment must be grounded See page 32 AWARNING This pump is pressurized internally with air pressure during operation Always make
27. ver diaphragms will naturally come to center 3 Remove the entire discharge manifold assembly exposing the ports in the outer diaphragm chambers 4 Fill either side with 5340 ml 180 6 fl oz by volume with the driver liquid It is imperative that the driver liquid chambers be filled with the correct amount of driver liquid as too little or too much will cause premature diaphragm failure and erratic pumping 5 After filling with the proper amount of liquid if the liquid does not come to the top of the fill hole pressure should be applied to the Virgin PTFE diaphragm with a blunt tool through the discharge material flow port in the outer chamber until it does come to the top see Fig 4 To facilitate this filling a taper punch can be used in the hole of the rod to manually shift the pump 6 When the driver fluid rises to the top of the fill plug hole screw the boss plug with o ring installed into the chamber see Fig 5 Do not overtighten Remember to keep pressure on the Virgin PTFE diaphragm until the boss plug is tight to prevent air from drawing back into the chamber 7 Filling the opposite side is accomplished in the same manner as described in 5 and 6 The correct amount of fluid will come to the top of the fill hole Screw in the boss plug et3dl1sm rev0711 Model ET3 M Type 1 Page 5 CHECK VALVE SERVICING Need for inspection or service is usually indicated by poor priming unstable cycling reduced performance or th
28. y moderate chemicals fats greases and many oils and solvents Generally attacked by strong oxidizing acids ketones esters nitro hydrocarbons and chlorinated aromatic hydrocarbons 170 F 35 F 50 F to 130 F 77 C 37 C 10 C to 54 C SANTOPRENE Injection molded thermoplastic elastomer with no fabric layer Long mechanical 212 F 35 F 50 F to 212 F flex life Excellent abrasion resistance 100 C 37 C 10 C to 100 C PTFE Chemically inert virtually impervious Very few chemicals are known to chemically react with PTFE molten alkali metals turbulent liquid or gaseous fluorine and a few fluoro 212 F chemicals such as chlorine trifluoride or oxygen difluoride which readily liberate free fluorine at 100 C elevated temperatures 50 F to 212 F 10 C to 100 C VITON Shows good resistance to a wide range of oils and solvents especially all aliphatic aromatic and halogenated hydrocarbons acids animal and vegetable oils Hot water or hot aqueous solutions over 70 F will attack Viton 212 F 32 F 75 F to 212 F 100 C 0 C 24 C to 100 C Definite reduction in service life Minimal reduction in service life at ends of range For specific applications always consult the Warren Rupp Chemical Resistance Chart Dimensions are 1 8 Fi i theses milim t Igures In paren esis millimeters Dimension Standard Pump 7 178 Pulse Output Kit 7 9 16 192 29 13 16 758 14 15 16 ty 3
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