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GORMAN-RUPP SM Series Installation, Operation And Maintenance Manual

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ACU
OM-06520-02
November 11, 2013
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
SM SERIES PUMPS
MODELS
SM3C65-X6
ALL VOLTAGES
THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO
www.grpumps.com
D
GORMAN‐RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
2013 The Gorman‐Rupp Company

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  • Page 1 OM-06520-02 November 11, 2013 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SM SERIES PUMPS MODELS SM3C65-X6 ALL VOLTAGES THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 2013 The Gorman‐Rupp Company...
  • Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com Valid 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: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY - SECTION A .
  • Page 4 TABLE OF CONTENTS (continued) Strainer and Suction Head Removal ........PAGE E - 7 Draining Oil From Seal Cavity .

  • Page 5: Introduction

    SM SERIES OM-06520 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. The following are used to alert maintenance per­ Read this manual carefully to learn how to safely sonnel to procedures which require special atten­ install and operate your pump. Failure to do so...

  • Page 6: Safety - Section A

    SM SERIES OM-06520 SAFETY - SECTION A This information applies to SM Series alified electrician to make all electrical connections. Make certain that the submersible motor driven pumps. pump and enclosure are properly Because pump installations are seldom grounded. Be sure that the incoming...
  • Page 7 OM-06520 SM SERIES atile, explosive, or flammable materials. Refer to the chart in Installation, Section B for the basic materials of construction for each pump covered in this manual. After the pump has been installed, make Do not attempt to pump any liquids for...

  • Page 8: Installation - Section B

    SM SERIES OM-06520 INSTALLATION - SECTION B Review all SAFETY information in Section A. 3. FASTENING. ALL BOLTS, NUTS, SCREWS, AND OTHER MEANS OF FASTENING, AND This section is intended only to summarize recom­ ALSO THREADED COVERS, SHALL BE IN mended installation practices for the pump and PLACE, PROPERLY TIGHTENED AND SE­...

  • Page 9: Gorman-Rupp Msha Pump Inspection Form

    OM-06520 SM SERIES GORMAN-RUPP MSHA PUMP INSPECTION FORM INSPECTOR____________________________ DATE____________ MODEL NO.____________________________ SERIAL NO.____________ UNIT ELECTRICAL RATING: H.P .________, VOLTS________, PUMP AMPS________, HERTZ________ STARTER X/P NO: XP3026-1 (CONTROL WITHOUT FLOAT) 18-XPA040007-0 (CONTROL WITH FLOAT) MOTOR CABLE: ___No. 12; 7 Conductor; Type SPC; .89 + .03 O.D.; Heavy Jacketed; Royal – MSHA 122;...

  • Page 10: Pump Model Designation

    Following is a description of the model numbering f. Compare the amperes, phase, voltage and system for SM Series pumps. These submersible hertz indicated on the motor nameplate to the pumps are available in a range of sizes. Refer to the ratings indicated for the control box.

  • Page 11: Pump Installation

    OM-06520 SM SERIES PUMP INSTALLATION Pump Specifications See Tables B-1 and B-2 for pump specifications. Table B-1. Pump Specifications Motor Pump Full Locked Discharge Voltage/ Horse­ Speed Load Load Rotor Size Model Phase power (RPM) Amperes Amperes Amperes (NPT) SM3C...

  • Page 12: Lifting

    SM SERIES OM-06520 Table B-3. MSHA Specifications And Approval Data Model No. MSHA No Cable P/N Trailing Cable Motor Cable SM3C65‐X6 460/3 XP-3185-1 47351-011 No. 8, 3 Conductor, G‐R P/N 47351-011. Type G‐GC, 0.97” $ SM3C65‐X6 575/3 XP-3185-1 47351-011 #12 AWG., 7 Conductor Type SPC, 0.89”...

  • Page 13: Piping

    CONTROL BOX merged application. This pump is driven by an integral 60 hertz, 6 HP SM Series pumps are provided with a suction motor. It is designed to operate through the control strainer to prevent large solids from clogging the box furnished with the pump.
  • Page 14 SM SERIES OM-06520 watertight, and should not be submerged. See tions). After the box is installed, make certain the front cover latches properly. Figure B-2 for enclosure dimensions and callouts. Secure the control box vertically on a level surface, above flood level. The box should be easily acces­...
  • Page 15 OM-06520 SM SERIES Figure B-2. Control Box Assembly PARTS LIST - EXTERNAL PARTS 47631-148 (460V) AND 47631-149 (575V) CONTROL BOXES (See Figure 3 For Internal Control Box Parts) ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE...
  • Page 16 SM SERIES OM-06520 Figure B-3. Electrical Mounting Plate Assembly PARTS LIST 47882-005 (460V) AND 47882-006 (575V) MOUNTING PLATE ASSEMBLIES (See Figure 2 For External Control Box Parts) ITEM PART MAT'L PART NAME NUMBER CODE SWITCH BRACKET 34512-027 ----- CUTLER HAMMER SWITCH...

  • Page 17: Grounding Methods

    OM-06520 SM SERIES Figure B-4. Mounting Plate Wiring Schematic Grounding Methods wise metal plated to resist corrosion. Do not coat the electrode with any material of poor conductiv­ ity, such as paint or plastic. Electrically ground the installation before before connecting the field wiring to the control box.

  • Page 18: Field Wiring Connections (Incoming Power)

    SM SERIES OM-06520 c. Buried electrode: If rock or stone prevents embedding the full 8 foot (2,4 m) length of the ground rod, bury it horizontally in a trench. Do not open the control box in an explo­ Space the ground rod or plates at least 6 feet sive atmosphere.

  • Page 19: Pump Power Cable Connections

    OM-06520 SM SERIES control box, the packing gland nuts must be wired er supply to the control box has been and sealed before operation. See Terminal Hous­ otherwise cut off and locked out, before ing And Power Cable Reassembly in Section E for connecting power or accessory cables.

  • Page 20: Liquid Level Control

    SM SERIES OM-06520 Figure B-6. Pump Power Cable Connection Diagram (All Models) PUMP POWER CABLE CONNECTION INSTRUCTIONS 1. Run the pump cable through the packing gland nut to the enclosure. Use the hole in the gland nuts and washers (the concave side of hex nut and the hole at the top left of the enclo­...
  • Page 21 OM-06520 SM SERIES PUMP CONTROL BOX TO LEVEL CONTROL CIRCUIT IN MAIN CONTROL BOX LIQUID LEVEL RANGE DEWATERING ON (FILLING) BULB (FLOAT TYPE) Figure B-7. Liquid Level Devices PAGE B - 14 INSTALLATION...

  • Page 22: Operation - Section C

    OM-06520 SM SERIES OPERATION - SECTION C Review all SAFETY information in Section A. permit pump operation. The circuit breakers will open or “trip” automatically in the event Follow the instructions on all tags, labels and of a short circuit overload current, or thermal decals attached to the pump and control box.

  • Page 23: Liquid Temperature And Overheating

    OM-06520 SM SERIES Liquid Temperature And Overheating Checking Pump Rotation The maximum liquid temperature for this pump is F (102.2 C). Do not apply the pump at higher operating temperatures. Do not open the control box in an explo­ sive atmosphere. When sealed, the con­...

  • Page 24: Starting

    OM-06520 SM SERIES STOPPING To stop the pump, turn the control handle OFF, thereby opening the circuit breaker. This does not terminate incoming power through the field wiring connected to the control box. After stopping the pump, be sure to perform all re­...

  • Page 25: Cold Weather Preservation

    OM-06520 SM SERIES Before installing or removing the lubrication COLD WEATHER PRESERVATION plug(s), always clean the area around the plug(s) to prevent contamination. In freezing temperatures, the pump will not freeze as long as it is submerged in liquid. If the pump...
  • Page 26 OM-06520 SM SERIES Table C-1. Pump Oil Specifications Specifications: Type ......

  • Page 27: Troubleshooting - Section D

    SM SERIES OM-06520 TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. The electrical power used to operate this pump is high enough to cause inju­ The following precautions should be ry or death. Obtain the services of a qu­...

  • Page 28: Electrical Testing

    OM-06520 SM SERIES Table B‐1 Troubleshooting Chart (continued) TROUBLE CAUSE REMEDY MOTOR RUNS, BUT Discharge head too high. Reduce discharge head, or install staging PUMP FAILS TO DE­ adaptor and additional pump. LIVER RATED DIS­ CHARGE Low or incorrect voltage.

  • Page 29: Test Equipment

    SM SERIES OM-06520 be the same at each condition, as accurate­ ly as the meter will read. Nominal amperage values are listed in Table 1, but these apply only when the actual voltage at the site is the Be certain to refer to the wiring diagram(s) nominal voltage listed.

  • Page 30: Insulation Resistance

    OM-06520 SM SERIES Insulation Resistance tion. If the reading is between infinity (1) and 1 megohm, the insulation is acceptable To check insulation, zero‐balance the ohmmeter but should be rechecked periodically. If the set at the RX100K scale, and test as follows: reading is less than 1 megohm, the insula­...

  • Page 31: Pump Maintenance And Repair - Section E

    SM SERIES OM-06520 PUMP MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL SM3C65-X6 (All Voltages) Based on 70 F (21 C) clear water at sea level.
  • Page 32 OM-06518 S SERIES ILLUSTRATION PARTS PAGE Figure E-1. Pump Model SM3C65-X6 (All Voltages) PAGE E - 2 MAINTENANCE & REPAIR...

  • Page 33: Parts Lists

    SM SERIES OM-06520 PARTS LIST Pump Model SM3C65-X6 (All Voltages) (From S/N 1546391 Up) ITEM PART MAT'L PART NAME NUMBER CODE SUCTION HEAD 38246-031 1718H IMPELLER 38618-702 1718H SEAL ASSEMBLY 46512-071 DRIVE SCREW BM#04-03 17090 CW OF PA APPROVAL PLATE...
  • Page 34 OM-06518 S SERIES ILLUSTRATION Figure E-2. Submersible Motor Assemblies PAGE E - 4 MAINTENANCE & REPAIR...

  • Page 35: Submersible Motor Assemblies

    SM SERIES OM-06520 PARTS LIST Submersible Motor Assemblies ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE NUMBER CODE SEAL PLATE: 38272-350 1718H WIRE CONNECTOR S1718 FH MACH SCREW Y#10-03 17090 MOTOR HOUSING 38311-069 17040 FLAT WASHER...

  • Page 36: Pump End Disassembly

    SM SERIES OM-06520 PUMP END DISASSEMBLY hoists, chains, slings or cables are in good working condition and of suffi­ cient capacity and that they are posi­ Review all SAFETY information in Section A. tioned so that loads will be balanced...
  • Page 37 OM-06520 SM SERIES Strainer and Suction Head Removal and personnel to safely handle the pump until it is secured. If inverting the pump is not practical, lay (Figure E-1) the pump on its side and secure it to prevent roll­...
  • Page 38 SM SERIES OM-06520 sure trouble‐free operation. However, if the old seal during removal. must be reused, wrap the seal faces individually in clean tissue paper to prevent damage to the seal­ Remove the intermediate O‐ring (31). ing surfaces. If no further disassembly is required, proceed to If no further disassembly is required, proceed to the appropriate areas in PUMP END REASSEMB­...
  • Page 39 OM-06520 SM SERIES mediate O‐ring (31) and lightly lubricate it with oil. Check to insure that the wavy washer (10) and mo­ tor bushing (4) are properly positioned, and slide the rotor and shaft assembly, bearings, intermedi­ Most cleaning solvents are toxic and ate and seal assembly into the motor housing until flammable.
  • Page 40 SM SERIES OM-06520 SPRING INTERMEDIATE STATIONARY ELEMENT BELLOWS RETAINER BELLOWS ADJUSTING SHIMS ROTATING ELEMENT RETAINING RING STATIONARY SEAT ROTOR STATIONARY ELEMENT SHAFT STATIONARY ASSY SEAT O‐RINGS SEAL PLATE ROTATING BELLOWS ELEMENT BELLOWS SPRING RETAINER ADJUSTING SHAFT SHIMS SLEEVE SPRING RETAINER...
  • Page 41 OM-06520 SM SERIES motor housing until fully seated. Be careful not to faces to ensure that they are free of any foreign damage the O‐ring. Secure the seal plate to the in­ matter. termediate with the flat head machine screws (2).
  • Page 42 SM SERIES OM-06520 Slide the sleeve and rotating portion of the seal Strainer Installation over the shaft until the sleeve seats squarely (Figure E-1) against the shaft shoulder. Continue to press on the seal retainer until the seal slides over the shaft Inspect the strainer screen for cracks or broken and the seal faces contact.
  • Page 43 OM-06520 SM SERIES connectors (22) are accessible. Cut or unwrap the attempting to open or service the pump tape from around the connectors, then remove the assembly. Tag electrical circuits to pre­ connectors to disconnect the pump power cable vent accidental start up.
  • Page 44 SM SERIES OM-06520 Stator Removal the shaft, it is recommended that bearings be cleaned and inspected in place. It is (Figure E-2) strongly recommended that the bearings be replaced any time the shaft and rotor Do not remove the stator (7) unless it is defective assembly is removed.
  • Page 45 OM-06520 SM SERIES gaskets and shaft seal assemblies be used during “cocks” in the motor housing, remove it and try reassembly (see the parts lists for numbers). again. If necessary, heat the motor housing with a torch to expand it enough for the stator to be in­...
  • Page 46 SM SERIES OM-06520 ings should never be heated with a direct flame or Terminal Housing And Power Cable directly on a hot plate. Reassembly And Installation (Figure E-2) NOTE If a hot oil bath is used to heat the bearings, both the oil and the container must be absolutely clean.
  • Page 47 OM-06520 SM SERIES pound on the tapered pipe threads of the cable material a minimum of 1 hour to dry (or until a skin grip body. forms on the adhesive). This must be done before testing or final assembly. Feed the pump power cable leads into the terminal Install a new O‐ring (19) on the terminal housing.
  • Page 48 SM SERIES OM-06520 b. Drill a 1/16 inch (1,6 mm) diameter hole (B) in c. Insert the seal wire (40) through hole B and the cable grip body approximately 45 coun­ equalize the wire length. Twist the wire ends terclockwise from hole A in the terminal hous­...
  • Page 49 OM-06520 SM SERIES a short 1/4 inch NPT nipple into the hole. Plug the the level plug. open end of the nipple with your finger. Tip the pump upright, drain off a small amount of oil into a When lubricating a dry (overhauled) pump, add...
  • Page 50 For U.S. and International Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 International: +1-419-755-1352 For Canadian Warranty Information, Please Visit www.grcanada.com/warranty or call: 519-631-2870 THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...

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Sm3c65-x6

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