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1. 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 A WARNING This pump is pressurized internally with air pressure during operation Always make 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 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 or repair shut off the compressed 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 WARNING In the event of diaphragm rupture pumped material may enter the air end of the pump and be discharged into the atmosphere lf Dumping a product which is hazardous or toxic the air exhaust must be piped to a
2. y SERVICE AND OPERATING MANUAL SANDPIPER Exyizaors CE Model SSB2 A IREX USDA Accepted Meat amp Poultry Type 3 Table of Contents PHNCIDIG OFOPeRA MON sarta 1 Installation and Start Up EE 1 PM OV aaa ir 1 Cake EE ee 2 ESADS Plus Externally Serviceable Air Distribution System 2 AF dr LL CrPPRPAEI vo PP eee ree 3 Between USOS Eege 3 Check Valve Servicing 3 DIIpifagmSerVicindi aiar ida 3 Ke e EE 3 PP o 4 Pilot Valve Achuator i 4 Service Instructions Troubleshooting 5 A e e e 5 Important Safety Information i 6 PES ne ET 6 Grounding The PUMP anann isa AESAC NEE EESE ARN DRAE AEAEE 7 WEN ee 8 RS Ono 9 Composite Repair Parts st 10 11 Composite Repair DrawWiNQ i 12 WARREN RUPP INC A Unit of IDEX Corporation Mansfield Ohio 44902 USA Telephone 419 524 8388 Fax 419 522 7867 e warrenrupp com Copyright 2014 Warren Rupp Inc All rights reserved EE S SERVICE AND OPERATING MANUAL SANDPIPE Ex 1 2GD T5 CE Model SSB2 A IREX USDA Accepted Meat amp Poultry Type 3 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
3. 351 542 007 000 132 022 360 902 003 000 200 032 115 200 034 115 PIPERs SERVICE AND OPERATING MANUAL Ex 1 2GD T5 CE Model SSB2 A USDA Accepted Meat amp Poultry Type 3 TOTAL RQD DESCRIPTION Bearing Sleeve Bracket Intermediate Seal U Cup Bushing Threaded w O Ring Plunger Actuator Pilot Valve Body Ass y Pilot Valve Body Sleeve w O Ring O Ring Sleeve Spool w O Ring O Ring Spool Retaining Ring Gasket Valve Body O Ring Body Valve 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 Diaphragm Diaphragm O Ring Rod Diaphragm Knob Locking Capscrew Hex Head Plug Pipe Washer Lock Plate Diaphragm Plate Outer Stud Manifold Suction Manifold Discharge Seat Valve Seat Valve Ball Check Valve Ball Check Valve Ball Check Valve Stud Nut Ass y Bumper Actuator Stat O Seal Clamp Discharge Clamp Suction Model SSB2 A Type 3 Page 10 Repair Parts shown in bold face darker type are more likely to need replacement after extended periods of normal use 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 det Sete ten ers ae Wee SOSIO RS NR ED OE E eee O O eeh ee ee eg
4. comply with the recommendations stated in this manual voids all factory warranty RECOMMENDED WARREN RUPP ACCESSORIES TO MAXIMIZE PUMP PERFORMANCE e Tranquilizer Surge Suppressor For nearly pulse free flow e Warren Rupp Air Dryer For clean dry compressed air e Warren Rupp Filter Regulator For modular installation and service convenience e Warren Rupp Speed Control For manual or programmable process control Manual adjustment or 4 20mA reception For more detailed information on these accessories contact your local Warren Rupp Factory Authorized Distributor or Warren Rupp corporate headquarters ssb2dl3sm REV0614 Model SSB2 A Type 3 Page 5 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 A 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 4 CAUTION Pump not designed tested or certified to be powered by compressed natural gas Powering the pump with natural gas will void the warranty 42 WARNING Before maintenance A WARNING
5. routine preventive maintenance schedule to do so on a regular 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 gasket and bumper on the valve body Using the arbor press or bench vise that was used in disassembly press the sleeve back into the valve body You may have to clean the surfaces of the valve body where the end caps mount Material may remain from the old gasket Old material not cleaned from this area may cause air leakage after reassembly Take care that the bumper stays in place allowing the sleeve to press in all the way Re install the spool the opposite end cap gasket and bumper 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 ssb2dl3sm REV0614 Model SSB2 A Type 3 Page 3 capscrews evenly and in an alternating cross pattern PILOT VALVE SERVICING This assembly is reached by removing the air distribution valve body from the pump and lifting the pilot valve body out of the intermediate housi
6. ssb2dl3sm REV061 4 46 47 48 49 50 51 52 PART NUMBER 542 002 114 196 070 111 530 036 000 312 057 111 312 058 111 361 005 366 361 005 368 361 008 366 361 008 368 031 019 332 807 056 115 545 007 115 807 032 115 115 083 115 115 084 115 DESCRIPTION Nut Stud Chamber Outer Muffler Exhaust Elbow Suction Elbow Discharge Gasket Sealing Discharge Gasket Sealing Discharge Gasket Sealing Suction Gasket Sealing Suction Main Air Valve Assembly Inc Items 9 10 11 13 14 15 16 Stud Nut Hex Stud Bracket Foot Left Bracket Foot Right Available in kit form Order P N 031 055 000 which also includes Item Nos 5 7 12 35 ssb2dl3sm REV0614 TOTAL RQD ANNNNNNA N M N 00 00 09 Model SSB2 A Type 3 Page 11 SPHERICAL END TOWARDS CLAMP SPHERICAL END TOWARDS CLAMP Model SSB2 A Type 3 Page 12 ssb2dl3sm REV0614
7. 1 For start up open an air valve approximately 1 2 to 3 4 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 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 liquid 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 humid ity conditions Use of a Warren Rupp Air Dryer should eliminate most icing problems 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 remain
8. Polypropylene Unfilled Polypropylene Unfilled Polypropylene 555 556 558 570 580 590 591 592 600 601 602 603 604 606 607 608 610 611 632 633 634 635 637 638 639 643 644 656 661 666 668 Polyvinyl Chloride Black Vinyl Conductive HDPE Rulon Il Ryton Valox Nylatron G S Nylatron NSB PTFE virgin material Tetrafluorocarbon TFE PTFE Bronze and moly filled Filled PTFE Blue Gylon PTFE PTFE Envelon Conductive PTFE PTFE Encapsulated Silicon PTFE Encapsulated FKM Neoprene Hytrel FKM PTFE EPDM PTFE Neoprene PTFE PTFE FKM PTFE PTFE Hytrel PTFE Nitrile TFE Santoprene EPDM Santoprene PTFE Santoprene Diaphragm and Check Balls EPDM Seats EPDM Santoprene FDA Nitrile Diaphragm PTFE Overlay Balls and Seals PTFE FDA Santoprene PTFE Delrin and Hytrel are registered tradenames 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 Monsanto 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 IDEX AODD Inc Model SSB2 A Type 3 Page 8 ssb2dl3sm REV0614 WARREN RUPP INC Declaration of Conformity Manufacturer Warren Rupp Inc 800 N Ma
9. e 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 and discharge check valve for each chamber maintaining flow in one direction through the pump 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 20 feet 6 096 meters or less For suction lifts exceeding 20 feet of liquid fill the chambers with liquid prior to priming AIR SUPPLY Air supply pressures cannot exceed 125 psi 8 61 bar Connect the pump air inlet 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 3 4 19mm in diameter between pump and piping to eliminate strain to pipes Use of a Warren Rupp Filter Regulator in the air line is recommended AIR INLET amp PRIMING ssb2dl3sm REV0614 Model SSB2 A Type 3 Page
10. 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 balanced condition during the discharge stroke which al lows 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 th
11. he 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 Model SSB2 A Type 3 Page 4 ssb2dl3sm REV0614 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 short 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 For additional information see the Warren Rupp Troubleshooting Guide WARRANTY This pump is warranted for a period of five years against defective material and workmanship Failure to
12. il for every 20 SCFM 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 lf 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 MODELSWITH 1 SUCTION DISCHARGE OR LARGER AND METAL CENTER SECTIONS The main air valve sleeve and spool set is located in the valve body mounted on the pump w
13. in Street Mansfield Ohio 44902 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 EN809 1998 A1 2009 Pumps and Pump Units for Liquids Common Safety Requirements to verify conformance dk Ke intra October 20 2005 Signature of authorized person Date of issue David Roseberry Engineering Manager Printed name of authorized person Title April 19 2012 Date of revision FLUID amp METERING 4 Revision Level F ssb2dl3sm REVO614 Model SSB2 A Type 3 Page 9 A WARREN RUPP PUMP BRAND 33 34 39 36 37 38 FLUID amp METERING PART NUMBER 070 006 170 114 005 332 720 004 360 135 008 000 620 004 114 095 073 000 095 070 551 755 025 000 560 033 360 775 026 000 560 023 360 675 037 080 360 041 379 560 001 360 095 047 332 132 014 358 165 011 332 360 048 425 360 010 425 560 020 360 031 012 000 170 032 115 170 045 115 132 002 360 196 068 332 286 005 366 286 005 351 560 022 360 685 007 120 478 007 115 170 024 115 618 003 110 900 006 115 612 052 157 612 097 111 807 026 115 518 051 110 518 050 110 722 040 366 722 040 368 050 017 366W 050 017 368W 050 017
14. ing 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 CHECK VALVE SERVICING Need for inspection or service is usually indicated by poor priming unstable cycling reduced performance or the pump s cycling but not pumping 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 DIAPHRAGM SERVICING Remove the stud nuts six each side securing the elbows to the outer chambers Remove the eight knobs securing the outer chamber to the inner chamber Remove the diaphragm assembly outer plate diaphragm inner plate by turning the assembly counterclockwise using a 15 16 2 38 cm wrench on the outer plate lugs To disassemble the diaphragm assemblies screw into the inner plates two threaded pins place the pins in a vise and turn the outer plate counterclockwise using the 15 16 wrench The interior components consisting of U cup seals and sleeve bearings are now accessible for service Procedures for reassembling the diaphragms are the reverse of the above The diaphragms must be installed with their natural bulge to the outside toward the outer diaphragm plate Install the inner plate with the flat face against the diaphragm After all components are in position in a vise and hand tight tighten
15. ith four hex head 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 four hex head capscrews each end on the end caps of 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
16. less 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 337 340 342 351 353 354 355 356 357 358 359 360 361 363 364 365 366 368 370 371 374 375 378 379 405 408 425 426 440 465 500 501 502 503 505 506 520 540 541 542 544 550 551 552 553 Silver Plated Steel Nickel Plated Filled Nylon Food Grade Santoprene Geolast Color Black Injection Molded 203 40 Santoprene Duro 40D 5 Color RED Thermal Plastic Hytrel Injection Molded Polyurethane Urethane Rubber Some Applications Compression Mold Urethane Rubber 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 Food Grade EPDM Butyl Rubber Color coded BROWN Philthane Tuftane Carboxylated Nitrile Fluorinated Nitrile High Density Polypropylene Conductive Nitrile Cellulose Fibre Cork and Neoprene Compressed Fibre Blue Gard Vegetable Fibre Fibre Delrin 500 Delrin 570 Conductive Acetal ESD 800 Conductive Acetal Glass Filled Acrylic Resin Plastic Delrin 150 Injection Molded PVDF Natural color Nylon Nylon Nylon Nylon Injection Molded Polyethylene Glass Filled
17. n appropriate area for safe disposition RECYCLING Many components of SAND PIPER AODD pumps are made ofrecyclable materials see charton page 9for material specifications We encourage pump users to recycle worn out parts and pumps whenever possible after any hazardous pumped fluids are thoroughly flushed WARNING Airborne particles and loud noise hazards Wear ear and eye protection WARNING Use safe practices when lifting Pump complies with EN809 Pumping Directive Directive 2006 42 EC Machinery according to Annex VIII CE II 2GD T5 Pumpcomplieswith Directive94 9 EC EN13463 1 Equipment for use in Potentially Explosive Environments For reference to the directive certificates visit www warrenrupp com The Technical File No AX1 is stored at KEMA Notified Body 0344 under Document Model SSB2 A Type 3 Page 6 ssb2dl3sm REV061 4 Grounding The Pump A WARNING N 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 The clamp end is installed to a true earth ground This 8 foot long 244 centimeters Ground Strap part number 920 025 000 can be ordered as a service item To reduce the risk of static electrical sparking this pump must be grounded Check the local electrical code for detailed grounding instruction and the type
18. ng When reinserting an externally serviceable pilot valve push both plungers out of the path of the pilot valve so that they and the pilot valve are not damaged Service Note If a problem arises with the pilot valve it is usually corrected by replacing only o rings Always grease the spool prior to inserting into the sleeve If the sleeve is removed from the body reinsertion must be from the same side it was removed from the chambered side Again grease the o rings so that it slides into the body Make sure the retaining ring has securely been inserted around the sleeve PILOT VALVE ACTUATOR SERVICING The bushings for the pilot valve actuators are pressed into the intermediate bracket from the outside The plunger may be removed for inspection or replacement from the inside by removing the air distribution valve body and the pilot valve body from the pump The plungers should be visible as you look into the intermediate from the top Depending on their position you may find it necessary to use a fine piece of wire to pull them out Under rare circumstances it may become necessary to replace the o ring seal The bushing can be pushed through the inner chamber by removing the outer chamber assembly to reach the bushing TROUBLESHOOTING 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 n
19. of equipment required or in the absence of local codes an indusiry or nationally recognized code having jurisdiction over specific installations ssb2dl3sm REV0614 Model SSB2 A Type 3 Page 7 000 010 012 015 020 025 080 100 110 111 112 113 114 115 117 120 123 148 149 150 151 152 154 155 156 157 158 159 162 165 166 170 175 180 305 306 307 308 309 310 313 330 331 332 333 335 336 MATERIAL CODES THE LAST 3 DIGITS OF PART NUMBER Assembly sub assembly and 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 Stain
20. or 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 and 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 3 Low performance A Capacity is reduced as t
21. with a wrench to approximately 40 ft Ibs 54 23 Newton meters torque After both diaphragm assemblies have been assembled thread one assembly into the shaft hold the shaft near the middle in a vise with soft jaws to protect the finish Install this subassembly into the pump and secure by placing the outer chamber on the end with the diaphragm This holds the assembly in place while the opposite side is installed Torque the last diaphragm assembly to 30 ft Ibs 40 67 Newton meters This final torquing will lock the diaphragm assemblies together Place the remaining outer chamber on the open end and loosely tighten the bolts Replace the manifold assemblies to square the flanges before final tightening of the remaining bolts Alternating for progressive tightening the eight knobs that secure outer chamber to inner chamber A NOTE ABOUT AIR VALVE LUBRICATION The SANDPIPER pump s pilot valve and main air valve assemblies are designed to Model SSB2 A Type 3 Page 2 ssb2dl3sm REV0614 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 lubri cated 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 o

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