Model 41-818831 Conductive Acetal Ball Valve Pump
Contents
1. LINE eg Ed DO 1 DIAMETER AIR EXHAUST PIPING Mustration 2 MUFFLER LA es LIQUID LEVEL SUCTION LINE Illustration 3 Model 41 818831 Conductive Acetal 1 DIAMETER AIR EXHAUST PIPING Ball Valve Pump Page 17 Grounding The Pump One eyelet end is fastened to the pump hardware ele heer ee na pene cau groun This Ground Strap Item 34 is shipped with the eyelet end fastened to the pump hardware 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 of equipment required WARNING 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 B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 18 BINKS f GEMINI I SERIES Declaration of Conformity BINKS 195 International Blvd Glendale Heights IL 60139 certifies that BINKS models 41 818810 41 818820 41 818822 41 818830 41 818823 41 818831 and 41 818836 Air Operated Double Diaphragm Pumps 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 Liquids2. Common Safety Requirements to verify conformance tw Whee a Signature of authorized person Date of issue Charles W McCulloch Engineering Manager Printed name of authorized person Title January 3 2013 Date of revision Revision Level E ITT Es GEMINI IL SERIES EC Declaration of Conformity In accordance with ATEX Directive 94 9 EC Equipment intended for use in potentially explosive environments Manufacturer BINKS 195 International Blvd Glendale Heights IL 60139 AODD Pumps Applicable Standard For Type Examination Designations see page 2 back EN13463 1 2001 EN13463 5 2003 KEMA Quality B V Utrechtseweg 310 6812 AR Arnhem The Netherlands DATE APPROVAL TITLE 4 Wi M Ze June 11 2012 Charles W McCulloch Engineering Manager j BINKS l GEMINI I SERIES V EC Declaration of Conformity A ATEX Summary of Markings
3. 41 718861 Diaphragm Kits ZN Items contained within 41 718854 Ball and Seat Kits B41 818831conductiveacetal rev0113 9 MAMM A A E A ke CA O NAA N 2 Item 22 24 27 28 30 34 A5 Description Gasket Pilot Valve Gasket Air Valve Manifold NPT Manifold BSPT Tapered Nut Flanged 5 16 18 O ring Plate Inner Diaphragm Plunger Actuator Ring Retaining Rod Diaphragm Seal Diaphragm Rod Seal Manifold Seat Check Valve Grounding Cable Seal Metal Check Value Seats Model 41 818831 Conductive Acetal Ball Valve Pump Page 9 oO A PS MAMM ND Air DistributionValve Assembly Drawing MAIN AIR VALVE ASSEMBLY PARTS LIST ITEM DESCRIPTION QTY 1 Valve Assembly 1 1 A Sleeve and Spool Set 1 1 Valve Body 1 Bumper 2 1 End Cap 2 1 Hex Flange Capscrew 1 4 20 x 75 8 E O ring 4 1 G Muffler 1 1 H Muffler Cap 1 EI Machine Screw 6 32 x 1 25 4 LEGEND O Items contained within 41 718850 Air Motor Repair Kits B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 10 AIR DISTRIBUTION VALVE SERVICING To service the air valve first shut off the compressed air bleed pressure from the pump and disconnect the air supply line from the pump Step 1 See COMPOSITE REPAIR PARTS DRAWING Using a 3 8 wrench or socket remove the four hex capscrews items 11 Remove the air valve assembly from the pump Remove and inspect gasket item 22 for cracks or
4. check valve remove the elbows items 16 and 17 from pump composite repair parts drawing Use a 1 2 wrench or socket to remove the fasteners Once the elbows are removed the modular check valves can be seen in the cavities of the outer chamber items 13 Inspect the check balls items 2 for wear abrasion or cuts on the spherical surface The check valve seats items 33 should be inspected for cuts abrasive wear or embedded material on the surfaces of both the external and internal chambers The spherical surface of the check balls must seat flush to the surface of the inner chamfer on the check valve seats for the pump to operate to peak efficiency Replace any worn or damaged parts as necessary RE ASSEMBLE THE CHECK VALVE Place a check ball item 2 in the ball cage of either the discharge elbow or the outer chamber Install a check valve seat in the counter on each end of the chamber Refasten the elbows to the chamber B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 14 Diaphragm Service Drawing with Overlay B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 15 DIAPHRAGM SERVICING To service the diaphragms first shut off the suction then shut off the discharge lines to the pump Shut off the compressed air supply bleed the pressure from the pump and disconnect the air supply line from the pump Drain any remaining liquid fr
5. liquid level See illustration 2 at right Piping used for the air exhaust must not be smaller than 1 2 2 54 cm diameter Reducing the pipe size will restrict air flow and reduce pump performance When the pumped product source is at a higher level than the pump flooded suction condition pipe the exhaust higher than the product source to prevent siphoning spills See illustration 3 at right CONVERTING THE PUMP FOR PIPING THE EXHAUST AIR The following steps are necessary to convert the pump to pipe the exhaust air away from the pump The air distribution valve body has 3 8 NPT threads for installation of metal muffler or piped exhaust B41 818831conductiveacetal rev0113 IMPORTANT INSTALLATION NOTE The manufacturer recommends installing a conductive flexible hose or connection between the pump and any rigid plumbing This reduces stresses on the molded plastic threads of the air exhaust port Failure to do so may result in damage to the air distribution valve body Any piping or hose connected to the pump s air exhaust port must be groundable and physically supported Failure to support these connections could also result in damage to the air distribution valve body CONVERTED EXHAUST ILLUSTRATION PUMP INSTALLATION AREA 1 DIAMETER AIR EXHAUST PIPING SAFE AIR EXHAUST DISPOSAL AREA MUFFLER MUFFLER ee LIQUID LEVEL SUCTION
6. retaining rings be installed LEGEND O Items contained within 41 718850 Air Motor Repair Kits B41 818831conductiveacetal rev0113 vuM BR lt ACTUATOR PLUNGER SERVICING To service the actuator plunger first shut off the compressed air supply bleed the pressure from the pump and disconnect the air supply line from the pump Step 1 See PUMP ASSEMBLY DRAWING Using a 3 8 wrench or socket remove the four capscrews items 11 Remove the air inlet cap item 8 and air inlet gasket item 19 The pilot valve assembly item 3 can now be removed Step 2 Servicing the actuator plungers See PUMP ASSEMBLY DRAWING The actuator plungers items 28 can be reached through the stem cavity of the pilot valve in the intermediate bracket item 4 To service bushings o rings and retaining rings see Intermediate Drawing Remove the plungers items 28 from the bushings item 7 in each end of the intermediate cavity Inspect for wear or damage Replace plunger as needed Apply a light coating of grease to each o ring and re install the plungers in to the bushings Push the plungers in as far as they will go Step 3 Re install the pilot valve assembly into the intermediate assembly Be careful to align the ends of the stem between the plungers when inserting the stem of the pilot valve into the cavity of the intermediate Re install the gasket item 19 air inlet cap item 8 and capscrews items 11 Co
7. SERVICE amp OPERATING MANUAL Original Instructions BInNKS GEMINI I SERIES Model 41 818831 Conductive Acetal Ball Valve Pump Table of Contents Engineering Data and Temperature Limitations c ccccceeeeeeceeeeeeeeeeeeeeeeeenneees 1 Warranty luet 1 Performance er ie 2 DIMOMSIONS EE 3 Metric DIMENSIONS inii aae aaiae aa aa Eed n aA aa Aaaa E aage 3 Principle of Pump Operation 4 Installation and Gtart up 4 EDD cies sick oh E E EE EE 4 Air Valve Lubrication eee ee eene cence tenes eeeeaeeeeeeeeeeaeeeeeaaeeeeeeaeeeseeeeeaeeeeeaaeesneeeead 4 Air ET CEET A AirInlet and Priming EE A Betweerkleee 222 ot ee EERSTEN ee A Tr bleshootihg stet gi Steeg eaa aaa e e a a acelin 5 Important Safety Information 6 Composite Repair Parts Drawing ceeecsecceceseeeeereeeenneeesenaeeeseeeeeeeneeeeneaeeeennaeees 8 Overlay Option Drawing Muffler Option Drawing c cccceceeeceeeeeeeseceeeeeeeeeeaees 8 Available Service and Conversion Kits cecceeeeeececenneeeeeeeeeesneeeeeeaeeeseneeeeeeeeeneas 8 Composite Repair Parts ist 9 Binks 195 International Blvd e Glendale Heights IL 60139 USA Telephone 1 800 99 BINKS 630 237 5000 Toll Free Customer Service and Technical Support 800 992 4657 Toll Free Fax 888 246 5732 Air Valve Assembly Drawing Air Valve Assembly Parts List Air Valve Gervicng nenese Pilot Valve Servicing cceeeeeereeees Intermediate Assembly Dr
8. 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 AA 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 WARNING 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 20 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 AA 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
9. alve body Insert the spool into the sleeve Be careful not to scratch or damage the spool during installation Install the remaining bumper and end cap with o rings and fasten with the remaining hex capscrews Align hole in end cap with roll pin on valve body Fasten the air valve assembly item 1 and gasket to the pump Connect the air line to the pump The pump is now ready for operation A IMPORTANT Read these instructions completely before installation and start up 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 Model 41 818831 Conductive Acetal Ball Valve Pump Page 11 Pilot Valve Assembly Drawing PILOT VALVE ASSEMBLY PARTS LIST FOR MODELS EQUIPPED WITH ALUMINUM MIDSECTIONS ITEM DESCRIPTION QTY 3 Pilot Valve Assembly 1 3 A Valve Body 1 3 B Sleeve With O Rings 1 GA O Ring Sleeve 6 3 D Spool With O Rings 1 ED O Ring Spool 3 Retaining Ring 1 O Items contained within 41 718850 Air Motor Repair Kits B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 12 Intermediate Assembly Drawing INTERMEDIATE REPAIR PARTS LIST Item Description 4 Bracket Intermediate Bushing Plunger O Ring 28 Plunger Actuator GC Ring Retaining Note It is recommended that when plunger components are serviced new
10. awing and Servicing Check Valve Drawing ssssssssessernessessen Check Valve Servicing Diaphragm Service Drawing with Overlay Diaphragm Servicing e eeeees eenen Overlay Diaphragm Servicing Pumping Hazardous Liquids Converting the Pump for Piping the Exhaust Air Exhaust Conversion Drawing Converted Exhaust Illustration Grounding the PUMP se EC Declaration of Conformity Machinery EC Declaration of Conformity ATEX Explanation of ATEX Certificate l2 GcT5 x ll 3 2 G c T5 ll 2 D c T100 c Part Sheet 77 2995 ll 2 Gc T5 x Il 3 2 G c T5 ll 2 D c T100 c INTAKE DISCHARGE PIPE SIZE CAPACITY AIR VALVE SOLIDS HANDLING 1 2 NPT Internal or 1 2 BSPT Tapered 0 to 14 gallons per minute No lube no stall Up to 125 in 3mm 1 NPT External or 1 BSPT Tapered 0 to 52 liters per minute design A CAUTION Operating temperature limitations are as follows MATERIALS General purpose oil resistant Shows good solvent oil water and hydraulic fluid resistance Should not be used with highly polar solvents like acetone and MEK ozone chlorinated hydrocarbons and nitro hyrdrocarbons Chemically inert virtually impervious Very few chemicals are known to react chemically with PTFE molten alkali metals turbulent liquid or gaseous fluorine and a few fluoro chemicals such as chlorine trifluoride or oxygen difluoride which readily liberate free fluorine at elevated temperatures High tensile material wit
11. connections to pump Corrective Action Install flexible connectors and a Surge Suppressor What to Check Blocked air exhaust muffler Corrective Action Remove muffler screen clean or de ice and reinstall Refer to the Air Exhaust section of your pump SERVICE MANUAL What to Check Pumped fluid in air exhaust muffler Corrective Action Disassemble pump chambers Inspect for diaphragm rupture or loose diaphragm plate assembly Refer to the Diaphragm Replacement section of your pump SERVICE MANUAL What to Check Suction side air leakage or air in product Corrective Action Visually inspect all suction side gaskets and pipe connections What to Check Obstructed check valve Corrective Action Disassemble the wet end of the pump and manually dislodge obstruction in the check valve pocket Refer to the Check Valve section of the pump SERVICE MANUAL for disassembly instructions What to Check Worn or misaligned check valve or check valve seat Corrective Action Inspect check valves and seats for wear and proper seating Replace if necessary Refer to Check Valve section of the pump SERVICE MANUAL for disassembly instructions What to Check Blocked suction line Corrective Action Remove or flush obstruction Check and clear all suction screens and strainers What to Check Blocked discharge line Corrective Action Check for obstruction or closed discharge line valves What to Check Blocked pumping chamb
12. ction For lifts exceeding 20 feet 6 meters filling the pumping chambers with liquid will prime the pump in most cases What to Check Excessive flooded suction in system Corrective Action For flooded conditions exceeding 10 feet 3 meters of liquid install a back pressure device What to Check System head exceeds air supply pressure Corrective Action Increase the inlet air pressure to the pump Most diaphragm pumps are designed for 1 1 pressure ratio at zero flow What to Check Air supply pressure or volume exceeds system head Corrective Action Decrease inlet air pressure and volume to the pump as calculated on the published PERFORMANCE CURVE Pump is cavitating the fluid by fast cycling B41 818831conductiveacetal rev0113 What to Check Undersized suction line Corrective Action Meet or exceed pump connection recommendations shown on the DIMENSIONAL DRAWING What to Check Restricted or undersized air line Corrective Action Install a larger air line and connection Refer to air inlet recommendations shown in your pump s SERVICE MANUAL What to Check Check the Externally Serviceable Air Distribution System of the pump Corrective Action Disassemble and inspect the main air distribution valve pilot valve and pilot valve actuators Refer to the parts drawing and air valve section of the SERVICE MANUAL Check for clogged discharge or closed valve before reassembly What to Check Rigid pipe
13. damage Replace gasket if needed Step 2 Disassembly of the air valve Using a 3 8 wrench or socket remove the eight hex capscrews items 1 E that fasten the end caps to the valve body Next remove the two end caps items 1 D Inspect the two o rings items 1 F on each end cap for damage or wear Replace the o rings as needed Remove the bumpers items 1 C Inspect the bumpers for damage or wear Replace the bumpers as needed Remove the spool part of item 1 A from the sleeve Be careful not to scratch or damage the outer diameter of the spool Wipe spool with a soft cloth and inspect for scratches or wear Inspect the inner diameter of the sleeve part of item 1 A for dirt B41 818831conductiveacetal rev0113 scratches or other contaminants Remove the sleeve if needed and replace with a new sleeve and spool set item 1 A Step 3 Reassembly of the air valve Install one bumper item 1 C and one end cap item 1 D with two o rings items 1 F and fasten with four hex capscrews items 1 E to the valve body item 1 B Align hole in end cap with roll pin on valve body Remove the new sleeve an spool set item 1 A from the plastic bag Carefully remove the spool from the sleeve Install the six o rings item 1 F into the six grooves on the sleeve Apply a light coating of grease to the o rings before installing the sleeve into the valve body item 1 B align the slots in the sleeve with the slots in the v
14. diaphragm assembly clockwise into the tapped hole at the end of the diaphragm rod item 30 as far as possible and still allow for alignment of the bolt holes in the diaphragm with the bolt pattern in the inner chamber Install diaphragms with convolutions facing towards center of pump See sectional view on previous page Fasten the remaining outer chamber item 13 to the pump using the capscrews items 9 and 10 and flanged nuts Step 5 Re install the elbow spacer manifold assemblies to the pump using the capscrews items 9 amp 10 and flanged nuts The pump is now ready to be re installed connected and returned to operation A IMPORTANT Read these instructions completely before in Stallation and start up 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 Model 41 818831 Conductive Acetal Ball Valve Pump Page 16 PUMPING HAZARDOUS LIQUIDS When a diaphragm fails the pumped liquid or fumes enter the air end of the pump Fumes are exhausted into the surrounding environment When pumping hazardous or toxic materials the exhaust air must be piped to an appropriate area for safe disposal See illustration 1 at right This pump can be submerged if the pump materials of construction are compatible with the liquid being pumped The air exhaust must be piped above the
15. ended to further reduce pulsation in flow AIR SUPPLY Air supply pressure cannot exceed 125 psi 8 6 bar Connect the pump air inlet to an air supply of sufficient capacity and pressure required for desired performance When the air supply line is solid piping use a short length of flexible hose not less than 1 2 13mm in diameter between the pump and the piping to reduce strain to the piping The weight of the air supply line regulators and filters must be supported by some means other than the air inlet cap Failure to provide support for the piping may result in damage to the pump A pressure regulating valve should be installed to insure air supply pressure does not exceed recommended limits AIR VALVE LUBRICATION The air distribution valve and the pilot valve 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 supply Proper lubrication requires the use of an air line lubricator set to deliver one drop of SAE 10 non detergent oil for every 20 SCFM 9 4 liters sec of air the pump consumes at the point of operation Consult the pump s published Performance Curve to determine this AIR LINE MOISTURE Water in the compressed air supply can create problems such as icing or freez
16. er Corrective Action Disassemble and inspect the wetted chambers of the pump Remove or flush any obstructions Refer to the pump SERVICE MANUAL for disassembly instructions What to Check Entrained air or vapor lock in one or both pumping chambers Corrective Action Purge chambers through tapped chamber vent plugs PURGING THE CHAMBERS OF AIR CAN BE DANGEROUS Contact BINKS before performing this procedure Any model with top ported discharge will reduce or eliminate problems with entrained air Model 41 818831 Conductive Acetal Ball Valve Pump Page 5 Recycling Many components of Conductive Acetal AODD pumps are made of recyclable materials see chart on page 10 for material specifications We encourage pump users to recycle worn out parts and pumps whenever possible after any hazardous pumped fluids are thoroughly flushed B41 818831conductiveacetal rev0113 Important Safety Information A 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 A
17. erated Temperatures coupled with pressure affect the longevity of diaphragm pump components Maximum life should not be expected at the extreme limits of the temperature ranges Model 41 818831 Conductive Acetal Ball Valve Pump Page 1 Performance Curve BINKS Model 41 818831 Conductive Acetal Performance based on the following elastomer fitted pump flooded suction water at ambient conditions o SCFM M hr The use of other materials and varying hydraulic conditions may result in deviations in excess of 5 3 L 2543 5 8 5 7 r100 4 100 7N 10 17 90 PS Cp 6 Bap 5 x I Wal Z Q 4 3 n E r 5 2 30 49 1 25 7 6 20 46 1 15 14 5 10 43 N 5 iS 0 12 14 U S Gallons per minute 0 10 20 30 40 50 Liters per minute CAPACITY B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 2 Dimensions BINKS Model 41 818831 Conductive Acetal Dimensions in inches metric dimensions in brackets Dimensional Tolerance 125 3mm DISCHARGE PORT 1 2 NPT INTERNAL ke 7 46 189 1 NPT EXTERNAL 3 09 78 1 75 44 4 MANIFOLD CAN ROTATE 90 Lei FROM VERTICAL CENTERLINE je 10 11 257 NA ke KL VT M
18. h excellent abrasion resistance A general purpose material with excellent resistance to most oils Injection molded thermoplastic elastomer with no fabric layer Long mechanical flex life Excellent abrasion resistance CAUTION Nonmetallic pumps and plastic components are not UV stabilized Ultraviolet radiation can damage these parts and negatively affect material properties Do not expose to UV light for extended periods of time BINKS pumps are designed to be powered only by compressed air Warranty Information 5 YEAR Limited Product Warranty Binks manufacturing warrants to the original end use purchaser that no product sold by Binks shall fail under normal use and service due to a defect in material or workmanship within five years from the date of shipment from Binks factory See complete warranty at www binks com B41 818831conductiveacetal rev0113 BInNKS GEMINI I SERIES Model 41 818831 Conductive Acetal Ball Valve Pump Air Operated Double Diaphragm Pump ENGINEERING PERFORMANCE amp CONSTRUCTION DATA HEADS UP TO DISPLACEMENT STROKE 100 psi or 231 ft of water 014 Gallon 053 liter 7 Kg cm or 70 meters Operating Temperatures Maximum Minimum 190 F 10 F 88 C 23 C 190 F 20 F 88 C 29 C 220 F 35 F 104 C 37 C 180 F 35 F 82 C 37 C 275 F 40 F 135 C 40 C Maximum and Minimum Temperatures are the limits for which these materials can be op
19. iaphragm life Alternate pressurizing and exhausting of the diaphragm chamber is performed by an externally mounted pilot operated four way spool type air distribution valve When the spool shifts to one end of the valve body inlet pressure is applied to one diaphragm chamber and the other diaphragm chamber exhausts When the spool shifts to the opposite end of the valve B41 818831conductiveacetal rev0113 body the pressure to the chambers is reversed The air distribution valve spool is moved by a internal pilot valve which alternately pressurizes one end of the air distribution valve spool while exhausting the other end The pilot valve is shifted at each end of the diaphragm stroke when a actuator plunger is contacted by the diaphragm plate This actuator plunger then pushes the end of the pilot valve spool into position to activate the air distribution valve The chambers are connected with manifolds with a suction and discharge check valve for each chamber maintaining flow in one direction through the pump INSTALLATION AND START UP Locate the pump as close to the product being pumped as possible Keep the suction line length and number of fittings to a minimum Do not reduce the suction line diameter For installations of rigid piping short sections of flexible hose should be installed between the pump and the piping The flexible hose reduces vibration and strain to the pumping system A surge suppressor is recomm
20. ing of the exhaust air causing the pump to cycle erratically or stop operating Water in the air supply can be reduced by using a point of use air dryer to supplement the user s air drying equipment This device removes water from the compressed air supply and alleviates the icing or freezing problems AIR INLET AND PRIMING To start the pump open the air valve approximately 1 2 to 3 4 turn After the pump primes the air valve can be opened to increase air flow as desired If opening the valve increases cycling rate but does not increase the rate of flow cavitation has occurred The valve should be closed slightly to obtain the most efficient air flow to pump flow ratio BETWEEN USES When the pump is used for materials that tend to settle out or solidify when not in motion the pump should be 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 the diaphragms and check valves at restart In freezing temperatures the pump must be completely drained between uses in all cases Model 41 818831 Conductive Acetal Ball Valve Pump Page 4 TROUBLESHOOTING Possible Symptoms e Pump will not cycle e Pump cycles but produces no flow e Pump cycles but flow rate is unsatisfactory e Pump cycle seems unbalanced e Pump cycle seems to produce excessive vibration What to Check Excessive suction lift in system Corrective A
21. nnect the air supply to the pump The pump is now ready for operation PLUNGER BUSHING O RING AND RETAINING RING SERVICING To service the plunger bushing components first remove the two retaining rings items 29 using a small flat screwdriver Note It is recommended that new retaining rings be installed Next remove the two plunger bushings items 7 Inspect the bushings for wear or scratches Replace the bushings as necessary Inspect the two o rings 25 for cuts and or wear A IMPORTANT Read these instructions completely before in Stallation and start up 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 Model 41 818831 Conductive Acetal Ball Valve Pump Page 13 Check Ball Valve Drawing MODULAR CHECK BALL VALVE A IMPORTANT SERVICING Before servicing the check valves Read Hesdinshiucions first shut off the suction line and then completely before in the discharge line to the pump Next stallation and start up shut off the compressed air supply Ee bleed BCE from the pump and this manual for reference Failure to disconnect the air supply line from comply with the recommendations stated the pump Drain any remaining fluid in this manual will damage the pump and from the pump The pump can now be void factory warranty removed for service To access the modular
22. om the pump Step 1 See the pump composite repair parts drawing and the diaphragm servicing illustration Using a 1 2 wrench or socket remove the 16 capscrews items 9 amp 10 and flanged nuts that fasten the elbows items 16 and 17 to the outer chambers items 13 Remove the elbows with the manifolds and spacers attached Step 2 Removing the outer chambers Using a 1 2 wrench or socket remove the 16 capscrews items 9 and 10 and flanged nuts that fasten the outer chambers diaphragms and intermediate item 4 together B41 818831conductiveacetal rev0113 Step 3 Remove the diaphragm by turning counterclockwise Inspect the diaphragm item 14 for cuts punctures abrasive wear or chemical attack Replace the diaphragms if necessary Step 4 Installing the diaphragms Make sure the bumper item 6 is installed over the diaphragm rod Thread the stud of the one diaphragm clockwise into the tapped hole at the end of the diaphragm rod item 30 until the inner diaphragm plate is flush to the end of the rod Insert rod into pump Align the bolt holes in the diaphragm with the bolt pattern in the intermediate item 4 Fasten the outer chamber item 13 to the pump using the capscrews items 9 and 10 and flanged nuts On the opposite side of the pump pull the diaphragm rod out as far as possible Make sure the bumper item 6 is installed over the diaphragm rod Thread the stud of the remaining
23. the vicinity of the pump Failure to follow these recommendations may result in serious injury or death AA WARNING Airborne particles and loud noise hazards Wear ear and eye protection Model 41 818831 Conductive Acetal Ball Valve Pump Page 6 B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 7 Composite Repair Parts Drawing E 2 D bal 2 Ki KA g e ZS F as 0 Lg EES xx E o o E o oO xa De oe of Ofo Eoas SO o Saks Xpt O58 ES cte TELEL 2 ZO e Ze e Se Z iabi us ene S oggi Oo THN Hd OSs B ss QLL Ei GE ISS EE o 5 Ono 5020 gt ITTA gt x ZS SS ewww AHHWx o ec SH HUHS Jool S o if SarFrFEe set ZS S POY ANAAL SGS Deep Ben 0 N eoo o S Q Wei Ko to G o Es o 2 oe Es Ts e e N N N 2 lt a Model 41 818831 Conductive Acetal Ball Valve Pump Page 8 B41 818831conductiveacetal rev0113 Composite Repair Parts List o oOo e vD ze 3 LEGEND Description Air Valve Assembly Ball Check Pilot Valve Assembly Bracket Intermediate Bracket Mounting Bumper Diaphragm Bushing Plunger Cap Air Inlet Capscrew Flanged 5 16 18 X 1 00 Capscrew Flanged 5 16 18 X 1 25 Capscrew Flanged 1 4 20 X 1 50 Capscrew Flanged 1 4 20 X 75 Chamber Outer Diaphragm One Piece Bonded PTFE Elbow Suction Elbow Discharge Gasket Air Inlet O Items contained within 41 718850 Air Motor Repair Kits L Items contained within
24. y 1 E CIE AIR INLET a HERRON 1 4 FNPT A ity BS A 11 54 SN A f i f H T w 7 T j I ZW mer SS 9 79 249 wat 13 Z ae q 5 46 139 i U U SUCTION PORT d 07 2 1 2 NPT INTERNAL STANDARD INTEGRAL MUFFLER 1 NPT EXTERNAL 6 09 155 4X 36 9 MTG SLOT 4 75 121 B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 3 PRINCIPLE OF PUMP OPERATION This ball type check valve pump is powered by compressed air and is a 1 1 ratio design The inner side of one diaphragm chamber is alternately pressurized while simultaneously exhausting the other inner chamber This causes the diaphragms which are connected by a common rod secured by plates to the centers of the diaphragms to move in a reciprocating action As one diaphragm performs the discharge stroke the other diaphragm is pulled to perform the suction stroke in the opposite chamber Air pressure is applied over the entire inner surface of the diaphragm while liquid is discharged from the opposite side of the diaphragm The diaphragm operates in a balanced condition during the discharge stroke which allows the pump to be operated at discharge heads over 200 feet 61 meters of water 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 to maximize d
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