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AC International SELF-PRIMING CENTRIFUGAL PUMPS manual

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Table of contents for the manual

  • Page 1

    PUBLICA TION NUMBER OM - - 04760 December 2, 1998 Rev . A 11 - 20 - 03 TH E GORMAN- RUPP COMP ANY D MANSFIELD , OHIO GORMAN- RUPP O F CANADA LI MI TED D ST . THOMAS, ONTARIO, CANADA Printed in U.S .A. e Copy ri ght by the Go rman-R upp C omp any SELF- PRIMING CENTRIFUGAL PUMPS[...]

  • Page 2

    OM - - 04760 SELF - PRIMING CENT RIFUGAL PUMPS PA G E I -- 1 INTRODUCTION IN TRODU CTI O N Thank Y ou for purchasing a Gorman-Rupp Self- Primin g Cen tr ifug al Pump . Read this manual car ef ully t o lea rn how to s af ely inst all a nd ope ra te your pump. F ailure to do so could result in personal injury o r damage to the pump. A set of three ma[...]

  • Page 3

    OM - - 04760 SELF- PRIMING CENTRIFUGAL PUMPS PA G E I - - 2 INTRODUCTION RECO RDI NG MO DEL A ND SER IAL NUM BE RS Pl ease record the pump mo del and serial number in th e spa ces p rovide d below . Y our Gor man -Rupp distributo r needs this informati on when you require parts or service. Pump M od el: Serial Number: WARRANTY INFO RMA TION The war[...]

  • Page 4

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 PA G E A - - 1 SAFETY SA F ETY - S EC TIO N A This infor ma tion applies to G - R S elf- Pr iming Centr ifuga l pumps. Th ese pump s are av ailab le as basi c, ped estal - mounted models or as close -co upled mo dels dr iven by either an electric mo - to r , gas o line or d iesel engin e. Refer to the ma[...]

  • Page 5

    SELF- PRIMING CENTRIFU AL PUMPS OM - - 04760 PA G E A - - 2 SAFETY to a boi l, b ui ld p ressu re, an d c ause the pump casing to rupture or explode. Do n ot remo ve plates , covers , gau ges, pipe plugs, o r fittings fr om an over - heate d pump. V ap or pre ssure withi n the pump can cause par ts being disen - gaged t o b e ejected w ith great fo[...]

  • Page 6

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 PA G E A - - 3 SAFETY F uel us ed by interna l combus tio n en - gines p resents an e xtreme e xplosio n and fire hazard. Make c ertain that all fuel lines are s ecurely conn ected an d fr ee of lea ks . Never r efu el a ho t or r un - ning e ngine . A void overfilling the fuel tank. Always use the corre[...]

  • Page 7

    SELF - PRIMING CENT RIFUGAL PUMPS OM - - 04760 PA G E B -- 1 INST ALLA TION INST ALLA TION - - - SECTION B Rev i ew all SAF E TY i nfor mat ion i n Sect i on A. Since pump instal lati ons are seldo m identic al, this section o ffers onl y general recommendations and practices requi red to inspect, posi tion, and ar- range the pump and piping. Most [...]

  • Page 8

    OM - - 04760 SELF- PRIMING CEN TRIFUGAL PUMPS PA G E B -- 2 INST ALLA TION[...]

  • Page 9

    SELF - PRIMING CENT RIFUGAL PUMPS OM - - 04760 PA G E B -- 3 INST ALLA TION slo pes down to the pump at any point al ong the suction run, a ir pockets will be created. Fitting s Suct ion lines should be the sam e size as th e pump inl et. If reducers are used in suctio n li nes, they shoul d be the eccentric type, and shoul d be in - stall ed wi th[...]

  • Page 10

    OM - - 04760 SELF- PRIMING CEN TRIFUGAL PUMPS PA G E B -- 4 INST ALLA TION[...]

  • Page 11

    SELF - PRIMING CENT RIFUGAL PUMPS OM - - 04760 PA G E B -- 5 INST ALLA TION mini miz e the chance of plug gi ng. In low disc har ge head appli cat i ons (less than 30 feet or 9 meters), i t is recommended that the by- pa ss line be ru n bac k to the w et w e ll, an d loca t ed 6 inch es b elow t he w a ter lev el or c ut -off poin t of the lo w lev[...]

  • Page 12

    OM - - 04760 SELF- PRIMING CEN TRIFUGAL PUMPS PA G E B -- 6 INST ALLA TION F i g u r e2 .V a l v ei nO p e nP o s i t i o n During the primi ng cy cle, air fro m t he pump casi ng f l o w st h r o u g ht h eb y p a s sl i n e ,a n dp a s s e st h r o u g h t h eA i rR e l e a s eV a l v et ot h ew e tw e l l( F i g u r e2 ) . Fi gur e 3. V alve in [...]

  • Page 13

    SELF - PRIMING CENT RIFUGAL PUMPS OM - - 04760 PA G E B -- 7 INST ALLA TION[...]

  • Page 14

    OM - - 04760 SELF- PRIMING CEN TRIFUGAL PUMPS PA G E B -- 8 INST ALLA TION When che cking alignment, di sconnect the power source to ensure that the pump will rema in ino perat ive. Ad jus ting the ali gnm ent in one d ire ction may alter the alignm ent in another direc- tion. check each pr oced ure aft er alter ing alignment. Coup led D rives Whe [...]

  • Page 15

    SELF - PRIMING CENT RIFUGAL PUMPS OM - - 04760 PA G E B -- 9 INST ALLA TION Sele ct pu lleys t ha t w ill mat ch th e pr oper s pe ed ra - tio; over sp eed ing t he p ump m ay d ama ge b oth pump and power source. Do not operate the p ump without the guard in place ove r the rotating parts . exp osed rotati ng p arts can catc h cl oth - ing, fi nge[...]

  • Page 16

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 OPERA TION PA G E C - - 1 OPERA TION - - - SECTION C Rev i ew all SAF E TY i nfor mat ion i n Sect i on A. F ollow t h e ins t ruc tion s on all t ags , labe ls an d d e - cals attached to the pump. Do no t attempt to pump any li quids the pump has not been des igned for , a nd which may damag e the p um[...]

  • Page 17

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 OPERA TION PA G E C - - 2 companying decals. Rever se r otation could loosen the impeller and seriously damage th e p ump. If th e pu mp is dr iven b y an ele ctr ic mot or , c ons ult the operating manual furnished with the motor be- fore attemp ting to start the mo tor . If rotation is inco rrect on a [...]

  • Page 18

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 OPERA TION PA G E C - - 3 te r th e p um p cool s , dr ain the l iquid fro m the pump by removing the c asing dr ain plug. Use c aution when removing the plug to prevent inju ry t o pers onnel f ro m hot liquid . If over hea tin g d oes oc cur , st op the pu mp imm edi - ately and allo w it t o coo l bef[...]

  • Page 19

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 OPERA TION PA G E C - - 4 After s topping the pump, lock out or disco nnect the power source to ensure that the pump wil l re- main in oper at ive. Col d Weather Preservation In below freezing condi tions, drain the pump to prevent damage from f reezing. Also , cl ean out any sol ids by flushing with a h[...]

  • Page 20

    SELF- PRIMING CENTRIFUGAL PUMPS OM - - 04760 OPERA TION PA G E C - - 5 stem; this wil l rel ease the spring to appl y grease to the seal. Oil Lubricated Bearing s Be arin g h ous ing s ar e fu lly lub ric at ed w he n shipped from the factory . Check the oil lev el regu - larly and main ta in it at th e d es ired level. Wh en lubr i - cation i s re[...]

  • Page 21

    TH E GOR MAN -RUPP C OMP ANY F MAN SFIE LD , OHIO GORMAN-R UPP OF C ANADA LIMITED D ST . THOMAS, ONTARIO , CANAD A Printed i n U .S.A. July 18, 1979 WARRANTY Pumping units manufactured by The Gorman-Rupp Co mpany , Mansfield, Ohio are guara nteed to be free from defects in mate- rial a nd w ork man sh ip for one ye ar fr om dat e of sh ipme nt from[...]