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GORMAN-RUPP PUMPS T3A24-B Installation, Operation, And Maintenance Manual With Parts List

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OM-01040-OB05
November 21, 1996
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
T SERIES PUMP
MODEL
T3A24---B
INCLUDING: /F, /FM
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
D
Printed in U.S.A.
E
Copyright by the Gorman-Rupp Company

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  • Page 1 OM-01040-OB05 November 21, 1996 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST T SERIES PUMP MODEL T3A24---B INCLUDING: /F, /FM THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by the Gorman-Rupp Company...
  • Page 2 TABLE OF CONTENTS INTRODUCTION ..........PAGE I --- 1 SAFETY --- SECTION A .

  • Page 3: Table Of Contents

    TABLE OF CONTENTS (continued) TROUBLESHOOTING --- SECTION D ......PAGE D --- 1 PUMP MAINTENANCE AND REPAIR --- SECTION E .
  • Page 4 T SERIES OM -- 01040 INTRODUCTION This Installation, Operation, and Maintenance priming centrifugal model with a suction check manual is designed to help you achieve the best valve. The pump is designed for handling abrasive performance and longest life from your Gorman- liquids containing large entrained solids, mud or Rupp pump.
  • Page 5 T SERIES OM -- 1040 SAFETY --- SECTION A These warnings apply to T Series basic make certain that the pump and all pip- pumps. Gorman-Rupp has no control ing connections are tight, properly sup- over or particular knowledge of the ported and secure before operation.
  • Page 6 See Figure 1 for the approximate physical dimen- configuration, and priming must be tailored to the sions of this pump. OUTLINE DRAWING NOTE: OPTIONAL ASA OR DIN STANDARD SUCTION & DISCHARGE SPOOL FLANGES AVAILABLE Figure 1. Pump Model T3A24-B INSTALLATION PAGE B -- 1...
  • Page 7 OM -- 01040 T SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be- fore shipment from the factory. Before installation, Use lifting equipment with a capacity of at least inspect the pump for damage which may have oc- 2,000 pounds (907,2 kg).
  • Page 8 T SERIES OM -- 01040 Fittings compatible with the liquid being pumped. If hose is used in suction lines, it must be the rigid-wall, rein- Suction lines should be the same size as the pump forced type to prevent collapse under suction. Us- inlet.
  • Page 9 OM -- 01040 T SERIES Suction Line Positioning If it is necessary to position inflow close to the suc- tion inlet, install a baffle between the inflow and the The depth of submergence of the suction line is suction inlet at a distance 1 1/2 times the diameter critical to efficient pump operation.
  • Page 10 T SERIES OM -- 01040 from excessive shock pressure and reverse rota- It is also recommended that pipe unions be in- tion when it is stopped. stalled at each 90_ elbow in a bypass line to ease disassembly and maintenance. In high discharge head applications (more than 30 feet), an excessive amount of liquid may be by- passed and forced back to the wet well under the...
  • Page 11 OM -- 01040 T SERIES ter the pump cools, drain the liquid from presses the spring and closes the valve (Figure 4). The valve will remain closed, reducing the bypass the pump by removing the casing drain of liquid to 1 to 5 gallons (3.8 to 19 liters) per min- plug.
  • Page 12 T SERIES OM -- 01040 DISCHARGE PIPE CLEAN-OUT COVER INSTALL AIR RELEASE VALVE IN HORIZONTAL POSITION DISCHARGE CHECK VALVE 90_ LONG RADIUS ELBOW SUPPORT PUMP DISCHARGE BRACKET SELF-PRIMING CENTRIFUGAL PUMP BLEED LINE 1” (25,4 MM) DIA. MIN. (CUSTOMER FURNISHED) EXTEND 6” SUCTION LINE (152,4 MM)
  • Page 13 OM -- 01040 T SERIES When checking alignment, disconnect the pow- er source to ensure that the pump will remain in- operative. Adjusting the alignment in one direction may alter the alignment in another direc- Figure 6B. Aligning Non-Spider tion. check each procedure after altering Type Couplings alignment.
  • Page 14 T SERIES OM -- 01040 Do not operate the pump without the guard in place over the rotating parts exposed rotating parts can catch clothing, fingers, or tools, caus- ing severe injury to personnel. MISALIGNED: MISALIGNED: ALIGNED: SHAFTS SHAFTS SHAFTS PARALLEL AND NOT PARALLEL NOT IN LINE...
  • Page 15 OM -- 01040 T-SERIES OPERATION --- SECTION C Review all SAFETY information in Section A. Add liquid to the pump casing when: 1. The pump is being put into service for the Follow the instructions on all tags, labels and de- first time.
  • Page 16 OM -- 01040 T-SERIES the liquid could come to a boil, build If rotation is incorrect on a three-phase motor, have a qualified electrician interchange any two of the pressure, and cause the pump casing to three phase wires to change direction. If rotation is rupture or explode.
  • Page 17 OM -- 01040 T-SERIES Strainer Check head, gradually close the discharge throttling valve before stopping the pump. If a suction strainer has been shipped with the After stopping the pump, lock out or disconnect pump or installed by the user, check the strainer the power source to ensure that the pump will re- regularly, and clean it as necessary.

  • Page 18: Troubleshooting

    T SERIES OM -- 01040 TROUBLESHOOTING --- SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Lock out or disconnect the power source to ensure that the pump will remain inoperative.
  • Page 19 OM -- 01040 T SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Air leak in suction line. Correct leak. PUMP STOPS OR FAILS TO DELIVER Lining of suction hose collapsed. Replace suction hose. RATED FLOW OR PRESSURE Leaking or worn seal or pump gasket. Check pump vacuum.
  • Page 20 T SERIES OM -- 01040 TROUBLE POSSIBLE CAUSE PROBABLE REMEDY EXCESSIVE NOISE Cavitation in pump. Reduce suction lift and/or friction losses in suction line. Record vac- uum and pressure gauge readings and consult local representative or factory. Pumping entrained air. Locate and eliminate source of air bubble.

  • Page 21: Pump Maintenance And Repair

    MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPER- ATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL T3A24-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- formance or part numbers.
  • Page 22 OM -- 01040 T SERIES SECTION DRAWING TOP VIEW PUMP END VIEW Figure 1. Pump Model T3A24---B PAGE E -- 2 MAINTENANCE & REPAIR...

  • Page 23: Parts Lists

    OM -- 01040 T SERIES PARTS LIST Pump Model T3A24---B (From S/N 1111887 up) 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 part numbers. ITEM PART NAME PART...
  • Page 24 OM -- 01040 T SERIES SECTION DRAWING Figure 2. 44163---217 Repair Rotating Assembly PAGE E -- 4 MAINTENANCE & REPAIR...
  • Page 25 OM -- 01040 T SERIES PARTS LIST 44163---217 Repair Rotating Assembly ITEM PART MAT’L PART NAME NUMBER CODE IMPELLER 11406 17070 SEAL ASSEMBLY 12364D --- --- --- SEAL PLATE GASKET 10959G 20000 INBOARD OIL SEAL S1352 --- --- --- INBOARD BALL BEARING 23252---013 --- --- --- BEARING HOUSING...

  • Page 26: Pump And Seal Disassembly And Reassembly

    OM -- 01040 T SERIES PUMP AND SEAL DISASSEMBLY 6. Vent the pump slowly and cau- AND REASSEMBLY tiously. 7. Drain the pump. Review all SAFETY information in Section A. Follow the instructions on all tags, label and decals attached to the pump. This pump requires little service due to its rugged, Use lifting and moving equipment in good re- minimum-maintenance design.

  • Page 27: Impeller Removal

    T SERIES OM -- 01040 The impeller (1) should be loosened while the rotat- rotating assembly by pulling straight away from the ing assembly is still secured to the pump casing. pump casing. Before loosening the impeller, remove the seal cav- NOTE ity drain plug (27) and drain the seal lubricant.

  • Page 28: Seal Removal

    OM -- 01040 T SERIES Seal Removal After removing the shaft and bearings, clean and inspect the bearings in place as follows. (Figure 2) Slide the spring centering washer, spring, seal washer (22), and rotating portion of the seal off the shaft as a unit.

  • Page 29: Shaft And Bearing Reassembly And Installation

    T SERIES OM -- 01040 O.D. toward the drive end of the shaft. If bearing replacement is required, remove the out- board bearing retaining ring (12), and use a bear- ing puller to remove the bearings from the shaft. The bearings may be heated to ease installation. An induction heater, hot oil bath, electric oven, or Press the inboard oil seal (4) from the bearing hot plate may be used to heat the bearings.

  • Page 30: Seal Installation

    OM -- 01040 T SERIES the bearing bore, push against the outer gency, carefully wash all metallic parts in fresh race. Never hit the balls or ball cage. cleaning solvent and allow to dry thoroughly. Press the outboard oil seal (15) into the bearing cap (11) with the lip positioned as shown in Figure 2.

  • Page 31: Impeller Installation

    T SERIES OM -- 01040 RETAINER SEAL PLATE SPRING O-RINGS IMPELLER IMPELLER SHIMS IMPELLER SHAFT STATIONARY ROTATING ELEMENT ELEMENT BELLOWS SEAL WASHER SPRING CENTERING STATIONARY WASHER DRIVE BAND SEAT Figure 5. 12364D Seal Assembly Install the seal spring, seal washer (22), and spring centering washer.

  • Page 32: Rotating Assembly Installation

    OM -- 01040 T SERIES the pump casing using the installation tool. Be Install the same thickness of impeller adjusting shims (23) as previously removed. Apply ‘Never- careful not to damage the O-ring. Seez’ or equivalent to the shaft threads and screw Install the four sets of rotating assembly adjusting the impeller onto the shaft until tight.

  • Page 33: Back Cover Installation

    T SERIES OM -- 01040 Back Cover Installation threads. Position the valve as shown in Figure 1 with the discharge port pointing down. (Figure 1) Final Pump Assembly If the wear plate (12) was removed for replace- ment, carefully center it on the back cover and se- (Figure 1) cure it with the hardware (13 and 14).

  • Page 34: Power Source

    OM -- 01040 T SERIES quired, add SAE No. 30 non-detergent oil through the hole for the air vent (8). Do not over-lubricate. Over-lubrication can cause the bearings to over- heat, resulting in premature bearing failure. Monitor the condition of the bearing lubri- cant regularly for evidence of rust or mois- ture condensation.
  • Page 35 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...

This manual is also suitable for:

T seriesT3a24-b/fT3a24-b/fm

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