MANUAL INSTRUCTION - Viking Pump Canada
Contents
1. TFE TRAINER AS Y FOOT VALVE PVDF HYP C 9 3 TRAINER AS Y FOOT VALVE PVDF VTN C 9 3 TRAINER AS Y FOOT VALVE PVDF HYP C 9 5 60730 TRAINER AS Y FOOT VALVE PVDF VTN C 9 5 9906700 000 WEIGHT CER STRAINER 30507 BLEED VALVE PVC HYP 9 38in TUBE 30509 IT BLEED VALVE PVC VTN 30510 IT BLEED VALVE PVC TFE 30511 IT BLEED VALVE FPP HYP 30513 IT BLEED VALVE FPP VTN 30514 IT BLEED VALVE FPP TFE 30515 IT BLEED VALVE PVC HYP 9 50in TUBE 30517 IT BLEED VALVE PVC VTN E 30518 IT BLEED VALVE PVC TFE 30519 IT BLEED VALVE FPP HYP 30521 BLEED VALVE FPP VTN 30522 IT BLEED VALVE FPP TFE 41693 NJECTION FITTING 9 38 41694 NJECTION FITTING PVC HYP C 50in T 00006 UCTION TUBING PVC 9 44in O D 00007 UCTION TUBING PVC 9 38in O D 00008 ISCHARGE TUBING PE WHT 9 50 0 0 00009 ISCHARGE TUBING PE BLK 9 50 0 0 00010 ISCHARGE TUBING PE WHT 9 38in O D ISCHARGE TUBING PE BLK 9 38 0 0 J39010 NOT USED WITH BLEED VALVE B o o w w zlolo B w SEE DRIVE ASSEMBLY ojo 43 z Z Z Z nn alo alas ja lt PART 25704 25706 25707 28800 28803 41549 41551 41552 41541 41543 41544 24961 24963 24964 5 50 22 RIS o 16 of 162. fitting and dampen the discharge valve area ball check and valve seats with a few drops of solution being fed by the pump For safety use protective gloves and safety glasses and a proper container to hold chemical Replace the fitting and tubing and restart the pump Turn the power on once more and adjust the pump to the proper rate using the locking lever as before A CAUTION When working on or around a metering pump installation protective gloves and safety glasses should be worn at all times AX CAUTION Check calibration of the pump before leaving the installation site A test for chemical residual in the treated water is the best indication of the correct pump setting 9 of 16 MAINTENANCE SCALE GASKETS AND CHECK VALVES When checking the metering pump or providing routine maintenance replace all valve seats or ball checks if any of them show any wear or deterioration Valve seats should be checked approximately every 4 6 months depending upon the application Repeated deterioration of valve seats and other rubber or plastic parts within a few months period usually indicates another material should be used for the defective part Contact your supplier or see the parts list for parts affected for possible alternate materials OUTSIDE INSTALLATION In many areas where freezing conditions are not a problem it is common to install a metering pump outside Adequate protection should be provided to keep the pump from being expo
3. foot valve and lower itinto the f well An anti siphon valve must be installed on Ds EX Systems such as this where the discharge is lower than the feeder and the chemical storage tank FIG J Failure to install anti siphon valve may allow siphoning to occur ANTI SIPHON VALVE optional Under any installation condition where the possibility of siphoning or suction may occur on the discharge side of the pump install an anti siphon valve on the discharge side of the feeder The anti siphon valve is not part of the standard package This item can be furnished by your dealer at extra cost PRESSURE RELIEF VALVE optional All Series 100 150 chemical pumps are rated to pump againsta line pressure of 100 PSI 7 BAR Ifthe line pressure onaninstallation couldfluctuate above 100 PSI 7 BAR install a pressure relief valve onthe discharge side of the pump head Once the pressure reaches a certain level the pre set relief valve will return the solution being pumped backto the solution tank This will prevent motor burnout or diaphragm rupture The relief valve is not part of the standard package This item can be furnished by your dealer at extra cost Read relief valve instructions carefully before installing 70116 HAND TIGHTEN FITTINGS When connecting tubing to suction and discharge fittings the coupling nuts should be tightened hand tight only Excessive tightening can cause cracks in pump head POINT OF INJEC
4. on the platform then the clear suction tubing is attached to a bulkhead fitting assembly and the suction valve housing on the pump head Since the suction tubing is always filled with solution priming is accomplished much more quickly andthe chance oflosing prime onan installation where the feeder is used only a few hours a day is greatly reduced The feeder comes with a bleed valve assembly that attaches to the discharge valve in the pump head The bleed valve allows you to manually prime the feeder and depressurize the discharge line without disconnecting the feeder from the tubing connections 3 00in i 7 62 J BEEN BEG 1 38 3 49cm 7 3in i 3 080 18 56cn 2 56in 6 51 Rem N 3 94in 0 10 00 46cm 3 75in 9 53cm 8 8in E 22 38cm MOUNTING HOLE PATTERN NOTE To operate without bleed valve replace bleed valve item 49 and 0 38 in 0 96 cm tubing size discharge valve housing item 42 with a 0 50 in 1 27 cm tubing size discharge valve housing item 42 and coupling nut item 43 See page 16 Wet End Assembly Items 42 and 43 are available from factory Remove protective caps and assemble tubing and fittings to the feeder Fig G AA CAUTION Do not force fittings HAND TIGHTEN ONLY A CAUTION If water is used to dissolv
5. READ ALL CAUTIONS CAREFULLY BEFORE INSTALLING PUMP SEE PAGE 4 SERIES 100 150 INSTRUCTION MANUAL 32040 CDE IM120 TABLE CONTENTS Page SAFETY INSTRUCTIONS a ient EEEE AAEE E Earn 2 NC NI E E EE 3 4 4 1 4 INSTALLATION PIPING AND WIRING ttt tette 5 NI ERI 10 SERVICE AND REPAIRS 21 11 TROUBLESHOOTING tissus Feet rete ataca eder pest 13 PARTS LIST EXPLODED PUMP ASSEMBLY ettet ttt 15 REPLACEMENT KITS EXPLODED WET END ASSEMBLY tte 16 SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS PRIOR TO USE LAXDANGER Secure chemicals amp metering pumps making them inaccessible to children amp pets DO NOT PUMP FLAMMABLE LIQUIDS Do not cut the plug or ground lug off the electrical cord Consult a licensed electrician for proper installation or replacement Always wear protective clothing including gloves and safety glasses when working on or near chemical metering pumps Inspect tubing regularly for cracking or deteri
6. S Y 5100 3 7 15 30 CAM BEARING AS Y S100 24 gpd CAM BEARING AS Y 5150 68 100 BEARING NEEDLE CORD 6ft 115 CORD 6ft 230vAC CORD 6ft 230vAC CE EURO 0722 MOTOR 51 rpm 115v 230v 60hz amp 230 50hz TERMINAL END CON J4 L9900700 000 37031 37032 J37033 37047 SCREW 8 AB x 38in lg H W HD SCREW SET 10 32 x 75 19 WASHER STL 26in I D WASHER STL 810 WASHER STL 8 EXT RH LOCK 15 of 16 SERIES 100 150 WETEND ASSEMBLY PART 25704 25706 25707 28800 28801 28803 37005 42020 41548 41549 41551 41552 41540 41541 41543 41544 24960 24961 24963 24964 20560 37440 37442 27903 60717 60718 60729 DESCRIPTION I APHRAGM HYP AS Y IAPHRAGM VIT AS Y IAPHRAGM TFE AS Y EAD SAN ACRYL PUMP EAD PVC PUMP EAD FPP PUMP CREW SST 10 24 x 2in lg PHP ASHER STL 10 FLAT ODY PVC SUCTION VALVE 9 5in TUBE ODY FPP SUCTION VALVE 9 5in TUBE ODY PVC SUCTION VALVE 9 38in TUBE ODY FPP SUCTION VALVE 9 38in TUBE ODY PVC DISCHARGE VALVE 9 5in TUBE ODY FPP DISCHARGE VALVE 9 5 ODY PVC DISCHARGE VALVE 9 38in TUBE ODY FPP DISCHARGE VALVE 9 38in TUBE UT PVC COUPLING 9 50in TUBE STD UT FPP COUPLING 9 50in TUBE UT PVC COUPLING 9 38 in TUBE UT FPP COUPLING 38in TUBE ALL CER Inq command EAT HYP VALVE EAT VIT VALVE ASKET
7. TION Pipe corrosion can result if dillution at the injection point does not occur rapidly This problem is easily prevented by observing this simple rule install injection fitting so that the end is in the flow stream of the line being treated NOTE Extended injection assemblies are available for large water lines Consult your dealer COMMON ERRORS INTHE INJECTION OF CHEMICALS Do notinsert the injection fitting into a pipe stub in the tee A full strength solution will often cause corrosion or scale in the pipe stub when itis notin the flowing stream Figure J The maximum lift of the chemical feeder is five feet Be sure not to exceed this height It is very important that the arrow on the fittings and the pump head point vertically upward in order to prevent backflow Arrows indicate the proper flow of the chemical 8 of 16 POWER The standard chemical feeder is available in1 15 volt 60 cycle single phase 230 volt 60 cycle and 230 volt 50 cycle single phase can also be made available upon request AA CAUTION sure the voltage of the feeder matches the power supply Figure M 115 VOLT 230 VOLT LINE LINE SAFETY SAFETY SWITCH SWITCH WELL PUMP MOTOR PRESSURE WELL PUMP MOTOR OR CONTROL BOX SWITCH OR CONTROL BOX 115 VOLT CHEMICAL EARTH 230 VOLT CHEMICAL EARTH FEED PUMP GROUND FEED PUMP GROUND 115 VOLT SYSTEM WIRING DIAGRAM 230 VOLT SYSTEM WIRING DIAGRAM PRIMING FIG M A CAUTION pumps are tested with wa
8. careful not to wrinkle the diaphragm Check sequence and position of parts to be sure reassembly is correct Consult your distributor for replacement Test pressure to determine if it exceeds feeder specifications If so consult your distributor Make sure voltage of power source matches the voltage on the feeder specifications label If not transformers are available Power supply voltage should match voltage on feeder specification label Check the transformer to be sure it has at least 100 watts capacity SERIES 100 150 DRIVE ASSEMBLY PART I 1 130496 HOUSING 5100 3 7 15 30 gpd 230497 HOUSING 5100 24 100 PART t DESCRIPTION 25180 HOUSING 5150 68 COVER MOTOR 125212 COVER MOTOR CE EURO 0 2 3 34405 PLATE COVER MOTOR PLATE BOTTOM HOUSING B E LABEL DIAL PIN STOP 4 5 6 7 LEVER LOCK S100 LEVER LOCK 5150 SCREW OP ADJUST 5150 37089 SCREW OP ADJUST S100 30460 KNOB OUTPUT ADJUST PART DESCRIPTION 1 10 SEE WET END ASSEMBLY DESCRIPTION BACKING PLATE AS Y 32520 32524 32528 MOTOR 7 rpm 115v 230v 60hz 8 230 50hz 32521 32525 32529 MOTOR 13 rpm 115v 230v 60hz amp 230 50hz 32522 32526 32530 MOTOR 25 rpm 115v 230v 60hz amp 230 50hz 32523 32527132531 J34380 38980 SPRING DIAPHRAGM RETURN BRACKET AS Y DRIVE CAM BEARING A
9. chemical storage tank to the point of injection by the pulsing action of the diaphragm The four check valves top and bottom of pump head strainer assembly and injection as sembly keep the fluid flowing toward the point of discharge To insure the solution being pumped can only go forward it is important that all check valves provide a positive nonleaking backflow prevention The wetted end those parts that con tact the solution being pumped is constructed of SAN PVC TFE Hypalone and polyethylene These materials are very resistant to most chemicals However there are some chemicals such as strong acids or organic solvents which cause deterioration of some elastomer and plastic parts such as diaphragm valve seat or head Alternate materials such as Vitone polypropylene is available on request Contact chemical supplier for chemical compatible materials B MANUFACTURER S PRODUCTWARRANTY The manufacturer warrants its equipment of its manufacture to be free of defects in material or workmanship Liability under this policy extends for eighteen 18 months from the date of purchase or one 1 year from date of installation or whichever comes first The manufacturer s liability is limited to repair or replacement of any device or part which is returned prepaid to the factory and which is proven defective upon examination This warranty does not include installation or repair cost andin no event shall the manu
10. chips clean gently If deformity or deterioration is noted replace part with proper material Chemical crysalization can hold check valves open therefore the valves must be disassembled and cleaned Be sure to replace all parts as shown in the Parts Diagram at the end of the manual Refill the tank with solution and prime PROBLEM PROBABLE CAUSE REMEDY LEAKAGE AT FITTING FEEDER WILL PRIME ANTI SIPHON VALVE MALFUNC TION PUMP MOTOR STALLS MOTOR RUNNING VERY HOT Loose fittings Broken or twisted gasket Chemical attack Too much pressure at discharge Check valves not sealing Output dials not set at maximum Scale or particles have plugged diaphragm Ruptured valves Pumping against excessive pressure Low voltage to feeder Low voltage If using stepdown transformer it may be undersized for the feeder 14 of 16 All fittings can be hand tightened to prevent leakage Clean off chemicals which have spilled on feeder Check gaskets and replace if broken or damaged Consult your chemical supplier for compatable materials Open bleed valve and circulate fluid until all air is purged from pump head assembly Close bleed valve Disassemble loosen clean and check for deterioration or swelling Reassemble and wet the valve assembly then prime See INSTALLATION Section Always prime pump with output dial set at maximum rated capacity Remove clean and reassemble being
11. e Discharge Tubing Optional Tubing available from the factory Back Check Valve Assembly Strainer Assembly w Tube Weight Instructions Bleed Valve Assembly Feeder can be mounted on a wall shelf bracket Figure B tank stand platform Figure C directly on the wall Figure D or directly on the tank cover Figure E CALE IMPORTANT Injection point must be higher than top of solution tank to prohibit gravity feeding Maximum head INSTRUCTION READ ALL CAUTIONS CAREFULLY BEFORE INSTALLING PUMP ERES 100 150 in meters is 70 for Series 100 Model pumps and 42 for Series 150 Model pumps To mount the feeder directly on the wall place the feeder base against the wall with the motor below the pumping head remove four head mounting bolts and turn head quarter turn so suction is in bottom position NOTE Make sure the arrow on the outside of the pump head is pointing upward The pump must be positioned so that the plug is accessible FLOODED SUCTION WALL OR 9 INJECTION SHELF MOUNT POINT BLEED LINE RETURN LINE RETURN INJECTION POINT FOOT VALVE STRAINER 5 of 16 Flooded suction mounting installing feeder atthe base of tank on a platform is the mosttrouble free type of installation Tank stands and platforms are available for all size feeders and tanks The pump is secured
12. e diaphragm and turning counter clockwise Figure O A new pump head or diaphragm should be in stalled if either is broken or cracked see parts list at the end of this manual The new pump head can be installed by going through the above steps in reverse TUBING w COUPLING NUT F G Be sure the drive bracket assembly is in the fully retracted position when installing the new diaphragm Install the new diaphragm by screwing itin hand tight then back off one fourth turn or until screw holes are lined up Replace the head and the head screws being certain the discharge fitting is up NOTE Arrow on outside of pump head should be in vertical position pointing upward Tighten the head screws evenly and carefully to prevent cracking the head Replace the suction and discharge fittings mak ing sure all gaskets and valves are fitted properly Do not use teflon tape or other sealants HAND TIGHTEN ONLY Restart the system as in the start up procedures INSTALLATION DIAPHRAGM FIG O 11 of 16 BALL CHECKS AND VALVE SEAT REPLACEMENT The following procedure is the same for any of the four valves AX CAUTION Make sure all electrical connections are disconnected and pressure valves off NOTE Use protective gloves and safety glasses while replacing parts 1 2 Unscrew compression nut and remove tubing Unscrew check valve body from pump head foot valve or injection fitting Remove all seats ball c
13. e solid chemicals or create a dilute solution the chemical tanks should be manually filled or an approved means mustbe usedto preventa cross connection between the chemical tank contents and the potable water line Check local plumbing regulations CHEMICAL INJECTION DISCHARGE VALVE Chemical injection into an open tank The discharge tubing can be placed in an open tank with or without the injection valve assembly Eachfeederis shipped with a spring loaded back check injection valve This assists in a positive seal on the discharge side of the pump head preventing back flow Pumps carrying the NSF or the ETL Sanitation testedto NSF standard 50 approval are listed for swimming pools spas and hot tubs and when proper materials are selected are capable of handling but notlimitedto the following chemical solutions FOOT VALVE 12 2 sodium hypochlorite STRAINER 2 calcium hypochlorite 12 aluminum sulfate 10 hydrochloric acid 10 sodium hydroxide 5 sodium carbonate SUCTION TUBING Do not use additional sealants such as pipe tape on fittings TUBING DN DI sparse dl INJECTION FITTING BACK CHECK VALVE BLEED RETURN TUBING S BLEED VALVE 6 of 16 SUCTION VALVE STRAINER WE GHT FIG G INSTALLATION INTO WELL PUMP SYSTEM Make sure the voltage of t
14. facturer s liability exceed its selling price of such part The manufacturer disclaims all liability for damage to its products through improper installation maintenance use or attempts to operate such products beyond their functional capacity intentionally or otherwise or any unauthorized repair Replaceable elastomeric parts are expendable and are notcovered by any warranty either expressed or implied The manufacturer is not responsible for consequential or other damages injuries or expense incurred through use of its products The above warranty is in lieu of any other warranty either expressed or implied The manufacturer makes no warranty of fitness or merchantability No agent of ours is authorized to make any warranty other than the above For warranty and service matters within the European Union contact the seller first or Pulsafeeder Europe Marssteden 68 7547 AD Enschede Netherlands EUROPEAN TECHNICAL FILE LOCATION P O Box91 Washington NE371YH United Kingdom 3 of 16 PRECAUTIONS FOR OPERATION Each Series 100 150 chemical feeder has been tested to meet prescribed specifications and certain safety standards However a few precautionary notes should be adhered to at all times THOROUGHLY READ ALL CAUTIONS PRIOR TO INSTALLING METERING PUMP 10 11 12 13 14 Ax CAUTION Protective fitting caps must be removed prior to installing tubing onto fitting assemblies Chemicals used may be dange
15. he TYPICAL DOMESTIC WATER TREATMENT INSTALLATION feeder matches the voltage of the well pump Install the injec tion fitting into a tee which is in stalled into the water line going to the pressure tank The end of the injection check valve should be in the main stream ofthe waterline A typical installation is shown in Fig ure H For installation of pump A WIRE METERING gt PUMP TO RUN WHEN WELL PUMP RUNS amp N STANDARD 1 PRESSURE TANK 2 PRESSURE SWITCH for operating swimming pools pump is to be supplied by an isolating transformer or thru an RCD residual current device p TO FILTER FROM NOTE It is recommended to THE HETERING PUMP CAN BE WIRED TO OPERATE installthe injection assembly ina INTO THE PRESSURE SWITER 85 9 WIRING vertical position on the bottom side of the water line Figure J This will insure proper sealing of the injection assembly check valve and prevent a back flow into the feeder s discharge line Be sure arrow on injection fitting is pointing upward DOWN THE WELL INSTALLATION Often itis desirable to provide chemical feed nearthe intake ofthe well pump for additional retention time andmixing ofthe chemicals An additional length of dischargetubing will be requiredforthis installation s Secure the end ofthe discharge tubing to the pump ORIENTATIONS cylinder drop pipe or
16. hecks and gaskets and replace Replace the check valve body so fitting makes contact with the gasket and the pump head foot valve or injection fitting whichever the case may be HAND TIGHTENFITTINGS ONLY Do notuse pipe tape or other sealants on these threads Re install the tubing and tighten coupling nut HAND TIGHT Restart the system as in the INSTALLATION PROCEDURES 12 of 16 TROUBLESHOOTING LOSS OF CHEMICAL RESIDUAL TOO MUCH CHEMICAL LEAKAGE AROUND TUBING CONNECTIONS FAILURE TO PUMP OR FEED Pump setting too low Scale at injection point Solution container allowed to run dry Feeder setting too high Chemical in solution tank too rich Siphoning of chemical into well or main line Worn tube ends Chemical attack Leak in suction side of pump Valve seats not sealing Low setting on feeder Low solution level Diaphragm ruptured Pump head cracked or broken Pumphead contains air or hlori Dirty check valve Ball checks not seating or not sealing properly Solution container allowed to run dry 13 of 16 Adjust to higher setting feeder must be operating during the stroke length adjustment Clean injection parts with 8 muriatic acid or undiluted vinegar See Maintenance Section Refill the tank with solution and prime See Start Up Section Lower feeder setting feeder must be operating to adjust the dial Dilute chemical solution NOTE For chemical that reacts with
17. ly and tighten the locking lever turning clockwise making sure that the knob does not move To check for zero point turn on pump There should be no liquid coming out of discharge fitting MIN 5 Replace dial stop 6 Ifthe pointer is not at 0 loosen the set screw on the knob use a 078 in Hex key andturn pointerto 0 then retighten the set screw while holding the knob in place KNOB 7 A setting of will now give zero utput One full revolution of the knob counter clockwise will give LOCKING maximum output The knob should never be turned LEVER more than one full revolution DIAL STOP 10 of 16 SERVICING AND REPAIRS REPLACEMENT OF PUMP HEAD ASSEMBLY OR DIAPHRAGM AA CAUTION Before performing any repairs on Series 100 150 chemical feeders be sure to disconnect all electrical connections and relieve pressure from suction discharge tubing The Series 100 150 feeder was designed so that servicing can be quick and simple Proper part replacement procedures are described below NOTE Use protective gloves and safety glasses when working on or around chemical feeder 1 DISCHARGE VALVE Disconnectthe tubing Remove the suction valve and discharge valve being careful not to lose the ball checks and any other small parts Figure N Remove the four screws from the face ofthe head and remove the head Remove the diaphragm by inserting one or two of the head bolts into the holes of th
18. m should also be dried Before placing feeder into service extreme care should be taken to follow this procedure Arrows on the pump head and injection fitting indicate chemical flow When properly installed these arrows should be pointing upward When metering hazardous material DO NOT use plastic tubing Strictly use proper rigid pipe Consult supplier for special adaptors Pump is NOT to be used to handle or meter flammable liquids or materials Standard white polyethylene discharge tubing is not recommended for installations exposed to direct sunlight Consult supplier for special black polyethylene tubing Manufacturer will not be held responsible for improper installation of pumps or local plumbing conducted All cautions are to be read thoroughly prior to hook up and plumbing For all installations a professional plumber should be consulted Always adhere to local plumbing codes and requirements Note the maximum pressure rating of the metering pump When used with pressurized systems always be sure the pressure of the system does not exceed maximum pressure rating listed on the specification label Be sure to depressurize system prior to hook up or disconnection of metering pump 4 of 16 INSTALLATION PIPING AND WIRING UNPACKING ASSEMBLING AND MOUNTING The carton should contain Metering Pump 4 ft 1 21 m Clear Flexible Suction Tubing 4 ft 1 21 Stiff White Return Tubing 8 ft 2 43 m Stiff Whit
19. oration and replace as necessary Always wear protective clothing and safety glasses when inspecting tubing Use CAUTION to keep fingers away from rotatiing parts If pump is exposed to direct sunlight use a U V resistant tubing Follow directions and warnings provided from the chemical manufacturer The user is responsible for determining the chemical compatibility with the chemical feed pump sure the voltage on the pump name tag matches the installation voltage If pump fails to start check line voltage Consult with local health officials and or qualified water conditioning specialists when treating potable water Always depressurize system prior to installation or disconnecting the metering pump tubing If injection point is lower than the chemical tank and pump install anti siphon valve DO NOT MODIFY PUMP This poses a potentially dangerous situation and will void the warranty 7 All pumps factory tested with water Remove tubing and thoroughly dry if the chemical being pumped will react with water for example sulfuric acid Hand tighten plastic connections Do not use wrench Consult licensed plumber and electrician before installation to conform to local codes NOTE For accurate volume output pump must be calibrated under all operating conditions 2 of 16 INTRODUCTION Series 100 150 are diaphragm type metering pumps A fluid is pumped from a
20. rous and should be used carefully and according to warnings on the label Follow the directions given with each type of chemical Do notassume chemicals are the same because they look alike Always store chemicals in a safe location away from children and others We cannot be responsible for the misuse of chemicals being fed by the pump Always wear protective clothing protective gloves and safety glasses when working on or near chemical metering pumps Tampering with electrical devices can be potentially hazardous Always place chemicals and feeder installation well out of the reach of children and others Be careful to check that the voltage ofthe installation matches the voltage indicated on the specification label Each pump is equipped with a three prong plug Whether plugging into a receptacle or wiring into asystem always be sure the feeder is grounded If receptacle is utilized to disconnect do not pull wire but grip the plug with fingers and pull out Never repair or move the metering pump while operating Always disconnect electrical current Before handling the pump always allow sufficient time for the motor housing to cool off Handling the pump too soon after shutdown may cause hand burns For safety use protective gloves All pumps are pretested with water before shipment Remove head and dry thoroughly if you are pumping amaterial that will react with water i e sulfuric acid Valve seats ball checks gaskets and diaphrag
21. sed to direct sunlight or rain Any simple covering adequately ventilated will afford the necessary protection from weather NOTE When discharge tubing is exposed to direct sunlight black polyethylene tubing should be used in lieu of the stiff white translucent tubing supplied with each pump SOLUTION TANK Check the solution tank for settling of chemicals If there is sludge on the bottom of the solution tank clean the strainer the foot valve andthe solution tank Installing the foot valve a few inches above the bottom of the tank will prevent future clogging NOTE If the chemical being pumped regularly precipitates out of solution or does not dissolve easily or completely calcium hydroxide mixers are readily available in different motor configurations and mountings OUTPUT ADJUSTING KNOB Sometimes the output adjusting knob can move on its shaft and cause a false output indication This can happen if the knob set screw slips or if the unit is disassembled for any reason The unit can be reset to 0 as follows 1 Remove the dial stop 2 Withthe pump running loosen the locking lever and turn the adjusting knob counter clockwise until itis loose to touch 3 SLOWLY rescrew the knob clockwise using very light finger pressure It will soon start to advance in pulses as the internal cam comes in and out of contact 4 When light finger pressure will no longer allow movement of the knob between cam contacts grasp the knob secure
22. ter If the chemical to be pumped reacts when mixed with water e g sulfuric acid polymer the pump head should be removed and dried thoroughly along with the diaphragm and valve seats If the discharge line is connected directly to a pressurized system it should be temporarily bypassed during priming of the pump This pump is equipped with a bleed valve to simplify this operation by allowing easy bypass of the discharge fluid All air must be purged from the pump head before the pump will pump against pressure Turnon the power to the pump Loosen the locking lever by turning it counter clockwise and turn the output adjusting knob counter clockwise to full capacity one full turn only then tighten the locking lever by turning clockwise to a hand tight position Solution should be primed to the head within a few minutes Refer to Figure K Air Bleed Operation A While pump is running turn adjustment screw counterclockwise Run with valve open until a solid stream of fluid comes out of the bypass tubing 0 25 in 0 63 cm ID x 0 38 in 0 96 cm OD supplied with valve no air bubbles C Close air bleed valve by turning adjustment screw clockwise NOTE The feeder is adjustable only while running never force the knob Do not turn the adjustment knob while the pumpis stopped Ifthe solution hasn t reached the head ina few minutes disconnect power to the pump make sure the system is depressurized remove the discharge tubing and discharge
23. water it may be necessary to purchase a more dilute grade of chemical direct from chemical supplier Test for suction or vacuum at the injection point If suction exists install an anti siphon valve See Figure G Cut off end of tubing about 1 and then slip on as before or replace suction valve housing and compression fitting to prevent leakage Consult your chemical supplier for compatable materials Examine suction tubing If worn at the end cut approximately an inch off and replace or replace valve body and coupling nut Clean valve seats if dirty or replace with proper material if deterioration is noted When pumping against pressure the dial should be set above 40 maximum rated capacity for a reliable feed rate Solution must be above foot valve Replace diaphragm as shown in Service Section Check for pressure above 100 PSI 7 BAR at the injection point NOTE Chemical incompatibility with diaphragm material can cause diaphragm rupture and leakage around the pump head Replace pump head as shown in Service Section Do not use pipe tape or other sealants Make sure fittings hand tight only Using pliers or wrench can crack pump head Also chemical incompatibility can cause cracking and subsequent leakage While pump is running turn bleed valve adjustment screw counter clockwise until air is purged Close bleed valve Remove and replace or clean off any scale or sediment Check seat and ball checks for
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