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Installation and Service Manual

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1. TROUBLE SHOOTING AID Motor will not rotate 1 Check for proper electrical connections to motor 2 Check main power box for tripped circuit breaker Motor hums or will not rotate Check for proper electrical connections to motor and proper wire size according to local electrical codes Check for foreign material inside pump Remove volute and check for impeller rotation without excessive resistance and or noise Remove pump and check shaft rotation for excessive bearing noise Check start switch and or capacitor Pump operates with little or no flow Check to insure that pump is primed Check for leaking seal Improper line voltage to motor or incorrect rotation Check for clogged inlet port and or impeller Defective check or foot valve Check inlet lines for leakage either fluid or air Verify rotation direction of impeller see page 2 Pump loses prime 1 Defective check or foot valve 2 Inlet line air leakage 3 Seal leaking 4 Fluid supply low Motor or pump overheats 1 Check for proper line voltage and phase also proper motor wiring 2 Binding motor shaft or pump parts 3 Inadequate ventilation 4 Fluid being pumped should not exceed 194 F 90 C for extended periods of time SI ih ON Ot eo ee EASYPRO LIMITED WARRANTY 6 Periodic check ups are not covered by this warranty This product is warranted to the initial purchaser to be free of defects in materials and workmanship at the time of
2. be self supported and in neutral alignment with each port i e Fittings must not be forced into alignment which may cause premature line failure or damage to the pump volute 4 Never restrict the intake Keep both input and discharge lines as free of elbows and valves as possible Always use pipe of adequate diameter This will reduce friction losses and maximize output 5 The EasyPro EXT Series pump is not self priming It must not be run dry We recommend a flooded suction installation Please read carefully When properly installed the EXT Pump will provide dependable trouble free service 6 For additional plumbing tips review EasyPro s website www EasyProPondProducts com for pond plumbing and pump installation hints BALL VALVE LA_A_A_ FLOODED SUCTION dh SUCTION LIFT MJ FOOT VALVE WARNING DO NOT RUN DRY WARNING ALWAYS SHUT OFF ELECTRICAL POWER BEFORE INSTALLATION AND OR SERVICING THIS PUMP ALL ELECTRICAL WIRING SHOULD MEET STATE AND LOCAL ORDINANCES IMPROPER WIRING MAY NOT ONLY BE A SAFETY HAZARD BUT MAY PERMANENTLY DAMAGE THE MOTOR AND OR PUMP 50 HZ MOTORS AVAILABLE CONTACT YOUR SUPPLIER FOR INFORMATION ee HOOK UP Check that supply voltages match the motor s requirements 2 Check motor wiring and connect according to instructions on motor to match supply voltage 3 Verify motor rotation with rotation meter Incorrect rotation can cau
3. initial purchase and for a period of three years In 7 This warranty is in lieu of all other express warranties which now or hereafter might otherwise arise with respect to this product Any and all limited warranties the event this product malfunctions within three years from the date of purchase the sole obligation of EasyPro Incorporated hereinafter referred to as EP will be including the warranties of merchantability and fitness for particular purpose shall have no greater duration than the duration period of the express written to repair the unit or replace with an equivalent new or factory refurbished unit at EP s discretion subject to the following conditions warranty applicable to this product and shall terminate automatically the expiration of such duration period Some states do not allow limitations on how 1 You MUST call EP for a return authorization RA number prior to returning pumps returned without an RA will be refused long an implied warranty lasts so the above limitation may not apply to you No action shall be brought for breach of any implied or express warranty after 2 The malfunction is proved attributable to a defect in materials or workmanship including repairs performed under this warranty Malfunction for any other one year Subsequent to the expiration of the duration period of the express written warranty reason including but not limited to misuse negligence accident tampering with parts incorrect wiring improper in
4. lock washers and nuts in the threaded inserts in the volute using 1 2 wrench 15 Assemble drain plug in volute drain hole and tighten Use teflon tape or equivalent 16 Before operating pump allow a proper cure time for the sealant used in step 4 17 Note For assembling a discharge flange use s x 21 4 long bolts narrow washers and hex jam nuts provided in the discharge piping hardware kit DISASSEMBLY 1 Shut off power to motor before disconnecting any electrical wiring from the motor 2 Disassemble volute from bracket by removing the five 16 18 x 4 long hex cap screws and the three 5 16 18 x 11 4 hex cap screws Pump bracket impeller assembly may now be pulled back from the volute 3 Remove impeller eye cap by unscrewing counterclockwise Remove s nut using 16 socket wrench unscrew counterclock wise Slide impeller off of motor shaft 4 Remove ceramic piece from impeller Eye protection is strongly recommended If you are replacing the seal 5 Detach bracket from motor Remove mechanical seal from bracket by pressing out from the back Do not dig out from the front If you are replacing the seal Reliability You Can Count On Bune co EXT Series MAINTENANCE The pump must be drained before servicing or if stored Lubrication below freezing temperatures Periodic replacement of Rotary Seal requires no lubrication after assembly seals may be required due to normal carbon wear
5. EXT Series asyPro Installation and Service Manual for EXT75 EXT180 EXT300 EXT1500 TYPE END SUCTION CENTRIFUGAL Please fill in for future reference MOTOR NEMA 143 M 215J M a PORT SIZE 3 FLANGED INLET 2 FLANGED DISCHARGE Se a ea ee eee HORSEPOWER 3 4HP THROUGH 15 HP DATE PURCHASED _____ Please fill out the warranty registration card in this manual HARDWARE STAINLESS STEEL SEAL OPTIONS STAINLESS STEEL WITH BUNA AND VITON WARNING Please read completely before you install or operate your new pump Do NOT allow this pump to become submerged Never run dry Never reverse rotation Never exceed an internal case pressure of 100 PSI Reliability You Can Count On SRO Ska eh Lal Pg 1 EXT Series We congratulate you on your choice of the EXT Series Centrifugal Pump It has been carefully designed using the advantages of today s technology and carefully constructed to give you the dependability of yesterday To insure proper performance we urge you to carefully follow the instructions in this manual If you have any questions call your nearest distributor or EasyP ro for assistance INSTALLATION Please read carefully When properly installed the EXT Series Pumps will provide dependable trouble free service 1 Locate the pump as near the fluid source as possible A flooded suction situation is preferred 2 Mount motor base to a secure immobile foundation 3 The pipe fittings should
6. l remain in full force and effect 5 Purchaser shall bear all shipping packing and insurance costs and all other costs excluding labor and parts necessary to effectuate repairs under 11 Rights under this warranty are not assignable without the express prior consent in writing by EP and regardless of the terms of such consent in writing such this warranty assignee shall have no greater rights than his assignor had against EP Name Address EasyPro Pond Products City 4385 East 110th Grant MI 49327 Model 800 448 3873 231 834 5537 fax www EasyProPondProducts com Date purchased Where purchased ae a etn ey ee i Gasgacinch is a registered trademark of Porter Manufacturing Noryl is a registered trademark of the Activate your warranty by filling out this form and mailing to EasyPro Pond Products General Electric Company Teflon is a registered trademark of DuPont Company 5 10 Reliability You Can Count On AO Eee hee Lae Pg 4
7. motor face and mount bracket to motor with four 3 s ID x 1 OD washers and four 3 s 16 x 1 long stainless steel hex cap screws using 16 wrench Use 4 2 13 x 1 long stainless steel hex head cap screws and 1 2 washers for frame sizes 213 M and above using s wrench 7 Assemble 7 16 Square x 17 2 long stainless steel key in groove of motor shaft 8 Assemble 3 s 16 x 13 4 long stainless steel threaded rod with hex recess into end of motor shaft using 3 16 allen wrench Threaded rod should extend from shaft approximately 720 050 reference Fig 1 of insert drawing 9 Carefully clean carbon graphite and ceramic sealing surfaces with lint free tissue and alcohol Do not use silicone lubricants or grease 10 Slide impeller on motor shaft aligned with key 11 Assemble special impeller washer over threaded rod Secure with s 16 stainless steel hex jam nut using 16 long reach socket hold impeller while tightening 12 Lightly grease cap O ring with silicone grease assemble cap with O ring over threaded rod and tighten with 11 16 socket Do not over tighten 13 Assemble large O ring in groove in bracket Use silicone grease only if necessary 14 Assemble volute to bracket using five 5 16 18 x 4 long stainless steel hex head cap screws ten 5 16 flatwashers five 16 lock washers and five 5 16 18 hex nuts Use three 5 16 18 x 11 4 long stainless steel hex head cap screws with flat washers
8. se serious damage to pump and or motor EasyPro does not rec ommend checking rotation by quickly switching power on and off because serious damage can occur 4 Power cord should be protected by conduit or by cable and be of proper gauge It should be no longer than necessary 5 Power should be drawn directly from a box with circuit breaker protection or with a fused disconnect switch Reliability You Can Count On Une oe EXT Series PUMP END ASSEMBLY 1 Clean and inspect all pump parts O rings seal heads seal seats motor shaft etc 2 Place slinger rubber washer over motor shaft Pump bracket impeller assembly can now be pulled back from volute 3 Where applicable check motor for rotation prior to assembling pump to motor 4 For metallic seal head assembly installation apply sealant to the bracket bore ID wall and around the seal case follow sealant mfg instructions We recommend using Gasgacinch Perrmatex or 3M 1300L Silicone sealant can also be used Press seal head into bracket using a tool that will apply pressure to the seal case shoulder do not apply pressure to the carbon or silicon carbide seal head 5 Forseal seat installation carefully lubricate the seal seat elastomer OD and impeller hub ID with water Press the seal seat into the impeller hub making certain that the ceramic is bottomed and sits evenly the sealing surface should be parallel with the impeller hub 6 Align bracket with holes in
9. stallation will not be remedied 8 Incidental and consequential damages caused by malfunction defect or otherwise and with respect to breach of any express or implied warranty are under this warranty not the responsibility of EP and to the extent permitted by law are hereby excluded both for property damage and to the extent not unconscionable for 3 EP specifically does not guarantee chemical compatibility and expressly does not warrant units from any problems caused by chemical attack or failure due ersonal injury damage Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion to incompatibility of fluid being pumped with pump materials of construction may not apply to you 4 All warranty repairs must be performed by EP or an EP authorized company Purchaser must retain the purchase receipt and present it with this certificate 9 This warranty does not apply to any malfunction arising out of any application of this product other than normal use unless such application is upon request as proof of ownership and entitlement to warranty repairs Unauthorized repairs will not be compensated by EP are not the responsibility of EP and if such specifically approved in writing by EP repairs damage the product such damages are not remedied under this warranty 10 The provisions of this warranty are severable and if any provision shall be deemed invalid the remaining provisions shal

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