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OM-06511-03

June 6, 2018

GORMAN‐RUPP PUMPS

www.grpumps.com

2018 Gorman‐Rupp Pumps

Printed in U.S.A.

INSTALLATION, OPERATION,

AND MAINTENANCE MANUAL

WITH PARTS LIST

SUBMERSIBLE PUMP

MODEL

SF4C

Содержание SF4C

Страница 1: ...OM 06511 03 June 6 2018 GORMAN RUPP PUMPS www grpumps com e2018 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMP MODEL SF4C ...

Страница 2: ...erial 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 ...

Страница 3: ...3 Control Box Connections PAGE B 4 Liquid Level Devices PAGE B 5 OPERATION SECTION C PAGE C 1 GENERAL INFORMATION PAGE C 1 Pump Performance PAGE C 1 Control Box PAGE C 4 PUMP OPERATION PAGE C 4 Liquid Temperature And Overheating PAGE C 4 Impeller Rotation PAGE C 5 STARTING STOPPING AND OPERATIONAL CHECKS PAGE C 5 Starting PAGE C 5 Stopping PAGE C 6 Operational Checks PAGE C 6 COLD WEATHER PRESERVA...

Страница 4: ...tion PAGE E 10 Lower Seal Installation PAGE E 10 Impeller Installation PAGE E 11 Pump Casing Installation PAGE E 11 Final Assembly PAGE E 11 MOTOR DISASSEMBLY PAGE E 12 Hoisting Bail Removal PAGE E 12 Terminal Housing Assembly Removal PAGE E 12 Rotor Shaft and Bearing Removal PAGE E 12 Stator Removal PAGE E 13 MOTOR REASSEMBLY PAGE E 14 Stator Installation PAGE E 14 Bearing and Rotor Shaft Install...

Страница 5: ...P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp of Canada Limited 70 Burwell Road St Thomas Ontario N5P 3R7 Phone 519 631 2870 For information or technical assistance on the power source contact the power source manufac turer s local dealer or representative HAZARD AND INSTRUCTION DEFINITIONS The following are used to alert maintenance per sonnel to procedures which requir...

Страница 6: ...ratures of 104_F 40_C Do not apply at higher temperatures Do not attempt to pump volatile flammable or corro sive liquids which may damage the pump or endanger personnel as a result of pump failure The electrical power used to operate this pump is high enough to cause inju ry or death Obtain the services of a qu alified electrician to make all electrical connections The following precautions shoul...

Страница 7: ...ecting the power source Do not run the pump if the voltage is not within the limits If the overload unit is tripped during pump operation correct the problem before restarting the pump The electrical power used to operate this pump is high enough to cause inju ry or death Make certain that the control handle on the control box is in the OFF position and locked out or that the pow er supply to the ...

Страница 8: ...ially high if operated against a closed discharge valve Never operate against a closed discharge valve for long periods of time Do not remove plates covers gauges pipe plugs or fittings from an over heated pump Vapor pressure within the pump can cause parts being disen gaged to be ejected with great force Al low the pump to completely cool before servicing If this pump is used to handle sewage tak...

Страница 9: ... cable for cuts or any other obvious damage d Check that amperes phase voltage and hertz indicated on the motor name plate match the ratings on the control box and in coming power e Carefully read all tags decals and markings on the pump assembly and perform all duties indicated f Check for any oil leaks If there is any indica tion of an oil leak see LUBRICATION in MAINTENANCE AND REPAIR SECTION E...

Страница 10: ...at the pump is properly wired at the control box See IM PELLER ROTATION SECTION C This pump may be mounted on guide rails or cables for use with optional discharge elbow base plate kits or it may be mounted on a trash stand with an optional discharge elbow If the pump is configured for a guide rail guide cable application the pump will be equipped with a rail guide shoe which connects to the disch...

Страница 11: ...proof Serious damage to the pump and injury or death to personnel can result from any alteration to the cable Field Wiring Connections Incoming Power Field wiring is not provided with this pump and must be supplied by the user The field wiring must be of the proper size and type to ensure an ade quate voltage supply to the pump Voltage avail able at the motor must be within the range indi cated in...

Страница 12: ...e B 3 and connect the pump control cable to the control box Figure B 2 Control Cable Connections The thermal protection contacts will auto matically reclose when the motor cools to the established safe operating tempera ture Whenever automatic restarting is not desirable connect only to controls which are wired for manual restart Refer to the appropriate wiring diagram accompa nying the control bo...

Страница 13: ...minutes between starts If the pump motor cycles more than 10 starts per hour it will over heat resulting in damage to the motor windings or control box components PUMP CONTROL BOX LIQUID LEVEL RANGE ON FILLING TO LEVEL CONTROL CIRCUIT IN MAIN CONTROL BOX OFF DEWATERING PUMP CONTROL BOX TO LEVEL CONTROL CIRCUIT IN MAIN CONTROL BOX LIQUID LEVEL RANGE OFF DEWATERING ON FILLING DIAPHRAGM TYPE BULB FLO...

Страница 14: ...mp Pump Performance Since operation of the pump motor is de pendent upon the quality and performance of the electrical controls the pump warran ty is valid only when controls have been specified or provided by The Gorman Rupp Company In the performance curve which follows perform ance is based on 70_F 21_C clear water at sea level The performance of your pump may be differ ent due to such factors ...

Страница 15: ...OM 06511 SF SERIES PAGE C 2 OPERATION SF4C 460 575V 3P PERFORMANCE CURVE ...

Страница 16: ...ted pumps can cause severe burns and injury If the pump becomes overheated 1 Stop the pump immediately 2 Lock out the power to the control panel to ensure that the pump will remain inoperative 3 Allow the pump to completely cool if overheated 4 Close the discharge valve if used 5 Refer to instructions in this manual before restarting the pump Overheating can occur if the pump is misapplied if it i...

Страница 17: ...mp kicks in a clockwise direction impeller rotation is incorrect If the pump is powered by a three phase motor have a qualified electrician in terchange the control box connections of any two pump motor power leads Re check pump kick back it should now be in a counterclockwise direc tion If rotation is incorrect on a single phase motor con tact the factory before installing the pump The electrical...

Страница 18: ...inor problems check the pump for proper operation when it is first started and at peri odic intervals during operation To avoid serious damage to the pump check for unusual noises or excessive vi bration while the pump is running If noise or vibration is excessive stop operation and refer to the troubleshooting chart in the maintenance and repair manual The suction inlet or impeller may become clo...

Страница 19: ...itial startup and drain and replace the oil after the first 200 hours of operation Following this check the oil level in the seal cavity after the first two weeks of operation and every month thereafter Before installing or removing the lubrication plugs always clean the area around the plugs to prevent contamination Draining Oil Refer to the Parts List in Maintenance and Repair Section E for drai...

Страница 20: ...RIES OM 06511 PAGE C 7 OPERATION in Draining Oil Add premium quality submersible pump oil through the fill plug hole until the oil is lev el with the bottom of the plug hole Install and tighten the fill plug ...

Страница 21: ...sensing device s Float type sensing device s tangled or obstructed Check installation for free movement of float Defective liquid level sensing de vice s or control panel Repair or replace defective unit s OVERLOAD UNIT TRIPS Low or high voltage or excessive voltage drop between pump and control box Measure voltage at control box Check that wiring is correct type size and length see Field Wiring C...

Страница 22: ...ent liquid in sump or tank Stop pump until liquid level rises Worn impeller vanes Check impeller see PUMP END REASSEMBLY in Maintenance and Repair Section E Pump running backwards Check direction of rotation If incor rect interchange any two motor leads at the control box 3 phase models see Pump Rotation Sec tion C PUMP RUNS WITH EXCESSIVE NOISE OR VIBRATION Pumping entrained air Check liquid leve...

Страница 23: ...e measured under each condition must be the same b If voltage is balanced when the pump is off but is imbalanced when the pump is running thoroughly check the power source all inter connecting cables and the pump motor to isolate the defect c Use an Amprobe or equivalent instrument to measure the current draw amperage of each phase while the pump is running under full load and with no load In each...

Страница 24: ...n both the power cable and motor windings If resistance reads infinity 1 insulation is good If resistance reads between infinity 1 and 1 megohm insulation is acceptable but should be rechecked regularly If resistance reads less than 1 megohm insulation should be checked more closely and frequently c If readings indicate that a ground exists test the stator and motor power cable separately Replace ...

Страница 25: ...emedies of pump problems Disassemble the pump only as far as required Lifting Death or serious personal injury and damage to the pump or components can occur if proper lifting procedures are not observed Make certain that hoists chains slings or cables are in good working condition and of suffi cient capacity and that they are posi tioned so that loads will be balanced and the pump or components w...

Страница 26: ...SF SERIES OM 06511 MAINTENANCE AND REPAIR PAGE E 2 ILLUSTRATION PARTSPAGE 13 10 11 12 14 19 15 16 17 18 20 21 25 29 9 26 2 24 4 5 30 28 23 27 3 10 9 8 6 1 7 22 22 Figure E 1 SF4C Pump Model Assembly ...

Страница 27: ...Y 44713 051 17040 1 20 NAME PLATE 38814 074 17000 1 21 DRIVE SCREW BM 04 03 17000 4 22 PIPE PLUG P04 17000 2 23 JAM NUT MAT12 17000 4 24 SEAL PLATE 38272 537 11010 1 25 O RING 25152 379 1 26 FLAT HEAD CAP SCREW MF0520 17000 4 27 O RING 25154 031 1 28 SHAFT SLEEVE 31441 031 1706H 1 29 2 MECH SEAL 25285 860 1 30 ADJ SHIM 8499 17000 1 NOT SHOWN G R DECAL GR 03 1 OPTIONAL ANSI SLIDE RAIL VERSION GUIDE...

Страница 28: ...SF SERIES OM 06511 MAINTENANCE AND REPAIR PAGE E 4 ILLUSTRATION Figure E 2 Motor Assemblies ...

Страница 29: ...1 312 1 6 O RING 25152 279 1 7 PIPE PLUG P08 17000 2 8 INTERMEDIATE 38261 039 10000 1 9 SEAL ASSEMBLY 25285 846 1 10 SNAP RING 24124 058 1 11 ROTATION DECAL 38815 027 1 12 LOCK WASHER MJ12 17000 8 13 HEX HD CAP SCREW MB1230 17000 8 14 MOISTURE DETECTOR 27479 009 1 15 FEMALE TERMINAL 27236 054 1 16 MALE TERMINAL 27236 454 1 17 IMPELLER KEY MNR140920 17000 1 18 36 LG 18 AWG WIRE 18147 104 1 NOT SHOW...

Страница 30: ...balanced and the pump or components will not be damaged when lifting Do not attempt to lift this pump by the motor or control cables or the piping Attach proper lift ing equipment to the lifting bail fitted on the pump Lift the pump or component only as high as necessary and keep per sonnel away from suspended objects If this pump is used to handle sewage take necessary precautions during maintena...

Страница 31: ...l of the discharge elbow is desired disengage the hard ware securing the elbow to the pump casing and remove the elbow and gasket If the pump is equipped with a trash stand disen gage the hardware securing the pump to the stand before proceeding with pump disassembly Suction Head and Wear Ring Removal Figure E 1 Position the pump horizontally on a flat work sur face and remove the hardware 9 and 1...

Страница 32: ...urther disassembly is required proceed to the appropriate areas in PUMP END REASSEM BLY Lower Seal Removal Figures E 1 and E 3 Remove the seal spring Slide the shaft sleeve 28 and rotating portion of the seal off the shaft as a unit Apply oil to the sleeve and work it up under the rub ber bellows Slide the rotating portion of the seal off the shaft sleeve Work a pair of stiff wires with hooked end...

Страница 33: ...sembly If sealing was faulty or question able the cause must be determined and corrected before reassembly Replace any parts as required Thoroughly clean all reuseable parts with a soft cloth soaked in cleaning solvent Remove all O rings and clean the sealing surfaces Most cleaning solvents are toxic and flammable Use them only in a well ven tilated area free from excessive heat sparks and flame R...

Страница 34: ... file or emery cloth to restore original con tours If the shaft is bent or damaged the complete rotor and shaft must be replaced as an assembly Apply a light coating of oil to the bore of the inter mediate Position the intermediate with the impeller end down on some wood blocks tall enough to allow for installation of the rotor shaft through the intermedi ate Inspect the rotor shaft 3 and bearings...

Страница 35: ...ve O ring 27 with light oil and slide it onto the rotor shaft until it is seated against the shaft shoulder Use caution not to nick or damage the O ring on the shaft keyway Position the seal plate on a clean flat surface with the impeller side up Unpack the seal stationary seat and O ring Apply a light coating of oil to the seal plate bore and the O D of the stationary seat O ring Keep the sealing...

Страница 36: ...ent rotation and torque the impeller screw to 47 ft lbs 6 5 m kg Remove the block of wood and turn the impeller to check for free rotation Suction Head and Wear Ring Installation Figure E 1 The suction head 8 and wear ring 6 must be in stalled in the pump casing 1 before installing the pump casing in order to set the impeller to wear ring clearance If the wear ring was removed from the suction hea...

Страница 37: ... operate this pump is high enough to cause in jury or death Make certain that the con trol handle on the control box is in the off position and locked out or that the pow er supply to the control box has been otherwise cut off and locked out before attempting to open or service the pump assembly Tag electrical circuits to pre vent accidental start up Carefully inspect any O rings before removal an...

Страница 38: ...essive heat sparks and flame Read and follow all precautions printed on solvent contain ers Rotate the bearings by hand to check for rough ness or binding If rotation is rough replace the bearings The bearing tolerances provide a tight press fit on to the shaft and a snug slip fit into the motor hous ing and intermediate bearing bores Replace the shaft and rotor as an assembly the motor hous ing o...

Страница 39: ... performed by at least two people to promote efficient installation of the stator Clean all O ring surfaces of the motor housing In spect the sealing surfaces for burrs nicks and pits which could cause a poor seal and replace defec tive parts as required Thoroughly clean the inside of the motor housing with fresh solvent The interior must be dry and free of dirt or lint Most cleaning solvents are ...

Страница 40: ...minal 15 can be easily attached Inspect the rotor shaft 3 for damaged threads scoring in the seal area and a nicked or damaged keyway If the bearings were removed inspect the bearing areas for scoring or galling Remove nicks and burrs with a fine file or emery cloth Inspect the rotor area for separated laminations If the shaft is bent or damaged or if the laminations are separat ed replace the sha...

Страница 41: ...ng until fully seated Ap ply Never Seez or equivalent compound on the threads of the capscrews 12 and secure the inter mediate to the motor housing with the hardware 12 and 13 Torque the capscrews to 47 ft lbs 6 5 m kg Terminal Housing Assembly Installation Figure E 1 The electrical power used to operate this pump is high enough to cause in jury or death Make certain that the con trol handle on th...

Страница 42: ...ign Apply Never Seez or equivalent compound to the threads of the cap screws 18 and secure the bail to the motor hous ing with the hardware 17 and 18 Torque the cap screws to 116 ft lbs 16 m kg VACUUM TESTING To ensure the water tight integrity of the pump the motor and seal cavities must be vacuum tested any time the seal s and or motor are serviced Use a manometer with a range of 30 to 0 to 30 i...

Страница 43: ...der the test plate then proceed with vacuum testing 438 11 1 mm dia drill thru Tap 250 18 NPT 12 mm dia drill thru 4 holes equally spaced on a 4 72 120 mm diameter bolt circle Install terminal housing O ring for test 3 749 3 750 in 95 22 95 25 mm 1 5 in 38 1 mm 75 in 19 1 mm 5 5 in 139 7 mm Make from commercially available steel plate 45_ x 1 8 3 1 mm Chamfer Figure E 5 Motor Vacuum Test Plate Ins...

Страница 44: ...clear remove the nip ple top off the seal cavity with oil and reinstall the level plug When lubricating a dry overhauled pump posi tion the pump upright and fill the seal cavity until oil reaches the bottom of the oil drain plug hole with approximately 135 ounces 4 liters of oil The grade of lubricant used is critical to the opera tion of this pump Use premium quality hydraulic oil as specified in...

Страница 45: ...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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