GORMAN-RUPP PUMPS 02K31-X2 1P Installation, Operation, And Maintenance Manual With Parts List Download Page 3

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TABLE OF CONTENTS

INTRODUCTION

PAGE I - 1

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SAFETY - SECTION A

PAGE A - 1

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INSTALLATION - SECTION B

PAGE B - 1

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Pump Dimensions

PAGE B - 1

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PREINSTALLATION INSPECTION

PAGE B - 2

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POSITIONING PUMP

PAGE B - 2

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Lifting

PAGE B - 2

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Mounting

PAGE B - 2

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SUCTION AND DISCHARGE PIPING

PAGE B - 2

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Materials

PAGE B - 3

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Line Configuration

PAGE B - 3

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Connections to Pump

PAGE B - 3

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Gauges

PAGE B - 3

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SUCTION LINES

PAGE B - 3

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Fittings

PAGE B - 3

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Strainers

PAGE B - 3

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Sealing

PAGE B - 3

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Suction Lines In Sumps

PAGE B - 3

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Suction Line Positioning

PAGE B - 4

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DISCHARGE LINES

PAGE B - 4

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Siphoning

PAGE B - 4

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Valves

PAGE B - 4

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Bypass Lines

PAGE B - 5

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ELECTRICAL CONNECTIONS

PAGE B - 5

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OPERATION - SECTION C

PAGE C - 1

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PRIMING

PAGE C - 1

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STARTING

PAGE C - 1

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OPERATION

PAGE C - 1

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Lines With a Bypass

PAGE C - 1

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Lines Without a Bypass

PAGE C - 2

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Leakage

PAGE C - 2

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Liquid Temperature And Overheating

PAGE C - 2

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Strainer Check

PAGE C - 2

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Pump Vacuum Check

PAGE C - 2

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STOPPING

PAGE C - 3

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Cold Weather Preservation

PAGE C - 3

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TROUBLESHOOTING - SECTION D

PAGE D - 1

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PREVENTIVE MAINTENANCE

PAGE D - 3

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PUMP MAINTENANCE AND REPAIR - SECTION E

PAGE E - 1

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PERFORMANCE CURVE

PAGE E - 1

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PARTS LIST:

Summary of Contents for 02K31-X2 1P

Page 1: ...1171 02 October 23 2018 Rev A 12 10 18 GORMAN RUPP PUMPS www grpumps com 2018 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST 0 SERIES PUMP MODEL 02K31 X2 1P ...

Page 2: ...lid serial number and e mail address required RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below Your Gorman Rupp distributor needs this information when you require parts or service Pump Model Serial Number ...

Page 3: ...on Lines In Sumps PAGE B 3 Suction Line Positioning PAGE B 4 DISCHARGE LINES PAGE B 4 Siphoning PAGE B 4 Valves PAGE B 4 Bypass Lines PAGE B 5 ELECTRICAL CONNECTIONS PAGE B 5 OPERATION SECTION C PAGE C 1 PRIMING PAGE C 1 STARTING PAGE C 1 OPERATION PAGE C 1 Lines With a Bypass PAGE C 1 Lines Without a Bypass PAGE C 2 Leakage PAGE C 2 Liquid Temperature And Overheating PAGE C 2 Strainer Check PAGE ...

Page 4: ... REASSEMBLY PAGE E 4 Pump Disassembly PAGE E 4 Impeller Removal PAGE E 5 Seal Removal and Disassembly PAGE E 5 Seal Reassembly and Installation PAGE E 5 Impeller Installation PAGE E 6 Pump Reassembly PAGE E 7 Final Pump Assembly PAGE E 7 LUBRICATION PAGE E 7 Seal Assembly PAGE E 7 ...

Page 5: ...wn proce dures which require special attention to those which could damage equipment and to those which could be dangerous to personnel However this manual cannot possibly anticipate and provide detailed precautions for every situation that might occur during maintenance of the unit Therefore it is the responsibility of the owner maintenance per sonnel to ensure that only safe established main ten...

Page 6: ...emperature before opening any covers plates or plugs 5 Close the suction and discharge valves 6 Vent the pump slowly and cau tiously 7 Drain the pump This pump is designed to handle petro leum products or other industrial liq uids that do not contain large entrained solids Do not attempt to pump volatile corrosive or flammable materials which may damage the pump or endanger per sonnel as a result ...

Page 7: ...rupture or explode Overheated pumps can cause severe burns and injuries If overheating of the pump occurs 1 Stop the pump immediately 2 Ventilate the area 3 Allow the pump to completely cool 4 Check the temperature before opening any covers plates gauges or plugs 5 Vent the pump slowly and cau tiously 6 Refer to instructions in this manual before restarting the pump The electrical power used to op...

Page 8: ...d in a flooded suction application where the liquid is supplied to the pump under pressure some of the information such as mounting line configuration and priming must be tailored to the specific application Since the pressure supplied to the pump is critical to performance and safety be sure to limit the incoming pressure to 50 of the maximum permissible operating pressure as shown on the pump pe...

Page 9: ...high enough to cause inju ry or death Obtain the services of a qu alified electrician to troubleshoot test and or service the electrical compo nents of this pump POSITIONING PUMP Lifting Pump unit weights will vary depending on the mounting and drive provided Check the shipping tag on the unit packaging for the actual weight and use lifting equipment with appropriate capacity Drain the pump and re...

Page 10: ... as possible When operation involves a suction lift the line must always slope upward to the pump from the source of the liquid being pumped if the line slopes down to the pump at any point along the suction run air pockets will be created Fittings Suction lines should be the same size as the pump inlet If reducers are used in suction lines they should be the eccentric type and should be in stalle...

Page 11: ...imes the diameter of the suction pipe Suction Line Positioning The depth of submergence of the suction line is critical to efficient pump operation Figure 2 shows recommended minimum submergence vs veloc ity NOTE The pipe submergence required may be reduced by installing a standard pipe increaser fitting at the end of the suction line The larger opening size will reduce the inlet velocity Calculat...

Page 12: ...otor Check that the electrical service available matches the motor requirements stamped on the motor name plate before connecting the motor to the incoming power The electrical power used to operate the pump is high enough to cause injury or death Obtain the services of a qualified electrician to make all electrical con nections Do not install and operate a non explo sion proof motor in an explosi...

Page 13: ... The pump is being put into service for the first time 2 The pump has not been used for a consider able length of time 3 The liquid in the pump casing has evapo rated Once the pump casing has been filled the pump will prime and reprime as necessary After filling the pump casing reinstall and tighten the fill plug Do not attempt to operate the pump unless all connect ing piping is securely installe...

Page 14: ...and allow it to cool before servicing it Refill the pump casing with cool liquid Allow an over heated pump to com pletely cool before servicing Do not re move plates covers gauges or fittings from an over heated pump Liquid with in the pump can reach boiling tempera tures and vapor pressure within the pump can cause parts being disen gaged to be ejected with great force Af ter the pump completely ...

Page 15: ...ed discharge throttling valve pump components will deteriorate and the liquid could come to a boil build pressure and cause the pump casing to rupture or explode Cold Weather Preservation In below freezing conditions drain the pump to prevent damage from freezing Also clean out any solids by flushing with a hose Operate the pump for approximately one minute this will remove any remaining liquid th...

Page 16: ...p TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP FAILS TO PRIME Air leak in suction line Lining of suction hose collapsed Correct leak Replace suction hose Leaking or worn seal or pump gasket Check pump vacuum Replace leaking or worn seal or gasket Suction lift or discharge head too high Check piping installation and in stall bypass line if needed See INSTALLATION Strainer clogged Check strainer and ...

Page 17: ...ean if neces sary Suction intake not submerged at proper level or sump too small Check installation and correct sub mergence as needed Suction lift or discharge head too high Check piping installation and install bypass line if needed See INSTAL LATION Low or incorrect voltage Measure control box voltage both when pump is running and when shut off No voltage at line side of circuit breaker Check p...

Page 18: ...ly the same duty cycle the part can be checked and replaced before failure occurs reducing unscheduled down time For new applications a first inspection of wearing parts at 250 hours will give insight into the wear rate for your particular application Subsequent inspec tions should be performed at the intervals shown on the chart below Critical applications should be inspected more frequently Gene...

Page 19: ... 80 specific gravity with minimum suction lift Since pump installations are seldom identical your performance may be different due to such factors as viscosity specific gravity eleva tion temperature and impeller trim If your pump serial number is followed by an N your pump is NOT a standard production model Contact the Gorman Rupp Company to verify per formance or part numbers Pump speed and oper...

Page 20: ... 2 SECTION DRAWING PARTSPAGE 14 16 19 15 1 11 18 17 20 4 12 13 3 22 7 2 9 8 10 6 6 21 4 5 7 SEAL AREA DETAIL ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ Ï Ï Ï ÏÏÏÏ ÏÏÏ ÏÏÏ Ï Ï Ï Ï ÏÏ Ï ÏÏ ÏÏÏ ÏÏÏ Ï Ï Ï ÏÏ ÏÏ ÏÏ ÏÏ ÏÏ ÏÏ Figure 1 Pump Models 02K31 X2 1P ...

Page 21: ... 1 9 IMPELLER 10205 14000 1 10 HEX JAM NUT AT07S 15991 1 11 VANE PLATE 10204 10010 1 12 RD HD MACHINE SCREW X0402 14990 1 13 RD HD MACHINE SCREW X0405 14990 2 14 O RING S1487 1 15 GASKET 2958GB 20000 1 16 FILL PLUG ASSY W WARNING TAG 48271 060 1 17 PIPE PLUG P08 15079 1 18 PIPE PLUG P04 15079 1 19 NAMEPLATE BLANK 38819 004 13000 1 20 DRIVE SCREW BM 04 03 17000 4 21 REDUCER FITTING 27144 131 1 22 C...

Page 22: ...e pump disconnect the incoming power to the motor and lock it out to ensure that the pump will remain inoperative Close all valves in the suction and discharge lines For motor disassembly and repair consult the liter ature supplied with the motor or contact your local motor representative Before attempting to open or service the pump 1 Familiarize yourself with this man ual 2 Disconnect the incomi...

Page 23: ...d of the motor Unscrew the impeller from the shaft Use caution when removing the impeller tension on the seal spring will be released as the impeller is removed Remove the impeller adjusting shims 8 Tie and tag the shims or measure and record their thick ness for ease of reassembly Seal Removal and Disassembly Remove the spring retainer and spring Apply oil to the shaft and work it up under the ru...

Page 24: ... a flat surface with the impeller side facing up Subassemble the station ary element into the stationary seat and use even pressure to press this subassembly into the inter mediate until it seats squarely against the shoulder bore Carefully slide the assembled intermediate and stationary portion of the seal over the motor shaft Secure the intermediate to the motor with the hard ware 5 and 6 Subass...

Page 25: ...alent compound to the vane plate and secure the vane plate to the intermediate bracket using the machine screws 5 and 6 NOTE After the vane plate has been installed check for free shaft rotation Correct any scraping binding before further reassembly Pump Reassembly Install the vane plate O ring 14 onto the vane plate shoulder Install the casing gasket 15 Ease the pump casing over the vane plate Be...

Page 26: ...For Warranty Information Please Visit www grpumps com warranty or call U S 419 755 1280 Canada 519 631 2870 International 1 419 755 1352 GORMAN RUPP PUMPS ...

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