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GORMAN-RUPP T4A3-B Installation, Operation And Maintenance Manual

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DS
OM-01043-OB08
February 14, 1983
Rev. L 10/18/01
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
T SERIES PUMP
MODEL
T4A3-B
INCLUDING: /F, /FM, /WW, /WWS
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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Summary of Contents for GORMAN-RUPP T4A3-B

  • Page 1 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST T SERIES PUMP MODEL T4A3-B INCLUDING: /F, /FM, /WW, /WWS 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 PREVENTIVE MAINTENANCE .
  • Page 4 This pump is a T Series, semi-open impeller, self- If there are any questions regarding the pump or its application which are not covered in this manual or in other literature accompanying this unit, please contact your Gorman-Rupp distributor, or write: The Gorman-Rupp Company Gorman-Rupp of Canada Limited P .O.
  • Page 5 SAFETY --- SECTION A This information applies to T Series ba- containing large entrained solids or sic pumps. Gorman-Rupp has no con- slurries. Do not attempt to pump vola- trol over or particular knowledge of the tile, corrosive, or flammable materials power source which will be used.
  • Page 6 OM -- 01043 T SERIES Use lifting and moving equipment in good repair and with adequate capacity to prevent injuries to personnel or dam- age to equipment. Suction and dis- charge hoses and piping must be re- moved from the pump before lifting. PAGE A -- 2 SAFETY...
  • Page 7 For further assistance, contact your Gorman-Rupp Most of the information pertains to a standard distributor or the Gorman-Rupp Company. static lift application where the pump is posi- tioned above the free level of liquid to be pumped.
  • Page 8 If the maximum shelf life has been exceeded, or if anything appears to be abnormal, contact your Gorman-Rupp distributor or the factory to deter- Materials mine the repair or updating policy. Do not put the pump into service until appropriate action has Either pipe or hose maybe used for suction and been taken.
  • Page 9 T SERIES OM -- 01043 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 10 OM -- 01043 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 11 If the application involves a high discharge overall pumping efficiency. Therefore, it is recom- head, gradually close the discharge mended that a Gorman-Rupp Automatic Air Re- throttling valve before stopping the pump. lease Valve be installed in the bypass line.
  • Page 12 When properly installed and correctly adjusted to the specific hydraulic operating conditions of the Some leakage (1 to 5 gallons [3.8 to 19 application, the Gorman-Rupp Automatic Air Re- liters] per minute) will occur when the lease Valve will permit air to escape through the by- pass line, and then close automatically when the valve is fully closed.
  • Page 13 However, if multiple Air Re- When mounted at the Gorman-Rupp factory, driver lease Valves are installed in a system, the bleeder and pump are aligned before shipment. Misalign- lines may be directed to a common manifold pipe.
  • Page 14 OM -- 01043 T SERIES When checking alignment, disconnect the power source to ensure that the pump will remain inoperative. Figure 6B. Aligning Non-Spider Type Couplings Adjusting the alignment in one direction Align non-spider type couplings by using a feeler may alter the alignment in another direc- gauge or taper gauge between the coupling halves tion.
  • Page 15 T SERIES OM -- 01043 Tighten the belts in accordance with the belt manu- facturer’s instructions. If the belts are too loose, they will slip; if the belts are too tight, there will be excessive power loss and possible bearing failure. Do not operate the pump without the Select pulleys that will match the proper speed ra- guard in place over the rotating parts.
  • Page 16 OM -- 01043 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 17 Liquid Temperature And Overheating The maximum liquid temperature for this pump is If a Gorman-Rupp Automatic Air Release Valve has 160_ F (71_ C). Do not apply it at a higher operat- been installed, the valve will automatically open to ing temperature.
  • Page 18 OM -- 01043 T SERIES Strainer Check head, gradually close the discharge throttling valve before stopping the pump. If a suction strainer has been shipped with the pump or installed by the user, check the strainer After stopping the pump, lock out or disconnect regularly, and clean it as necessary.
  • Page 19 OM -- 01043 T SERIES to operate properly. Make certain that the bearing When pumps are first started, the bearings may lubricant is of the proper viscosity and at the cor- seem to run at temperatures above normal. Con- rect level (see LUBRICATION in MAINTENANCE tinued operation should bring the temperatures AND REPAIR).

  • Page 20: Troubleshooting

    T SERIES OM -- 01043-- 08 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 21 OM -- 01043-- 08 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 22: Preventive Maintenance

    Gorman-Rupp pump. For specific questions con- For new applications, a first inspection of wearing cerning your application, contact your Gorman- parts at 250 hours will give insight into the wear rate Rupp distributor or the Gorman-Rupp Company.
  • Page 23 OM -- 01043-- 08 T SERIES Preventive Maintenance Schedule Service Interval* Item Daily Weekly Monthly Semi- Annually Annually General Condition (Temperature, Unusual Noises or Vibrations, Cracks, Leaks, Loose Hardware, Etc.) Pump Performance (Gauges, Speed, Flow) Bearing Lubrication Seal Lubrication (And Packing Adjustment, If So Equipped) V-Belts (If So Equipped) Air Release Valve Plunger Rod (If So Equipped)

  • Page 24: 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 T4A3-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 25 OM -- 01043 T SERIES SECTION DRAWING Figure 1. Pump Model T4A3---B PAGE E -- 2 MAINTENANCE & REPAIR...

  • Page 26: Parts Lists

    PARTS LIST Pump Model T4A3---B (From S/N 779981 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 MAT’L...
  • Page 27 OM -- 01043 T SERIES SECTION DRAWING (/WWS ONLY) Figure 2. Repair Rotating Assembly PAGE E -- 4 MAINTENANCE & REPAIR...

  • Page 28: Repair Rotating Assembly

    OM -- 01043 T SERIES PARTS LIST Repair Rotating Assembly ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE SHIPPING PLUG 11495B 15079 IMPELLER 10528 11010 ROT ASSY ADJ SHIM SET 13130 17040 SEAL ASSEMBLY 46513--- 150 --- --- --- SPACER WASHER...

  • Page 29: Pump And Seal Disassembly And Reassembly

    OM -- 01043 T SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. Use lifting and moving equipment in good repair and with adequate capacity Follow the instructions on all tags, label and decals to prevent injuries to personnel or dam- attached to the pump.

  • Page 30: Impeller Removal

    T SERIES OM -- 01043 NOTE ity drain plug (25) and drain the seal lubricant. This will prevent the oil in the seal cavity from escaping An optional disassembly tool is available from the when the impeller is loosened. Clean and reinstall factory.

  • Page 31: Seal Removal

    OM -- 01043 T SERIES Seal Removal After removing the shaft and bearings, clean and inspect the bearings in place as follows. (Figure 2) Slide the integral shaft sleeve and rotating portion of the seal off the shaft as a unit. Use a pair of stiff wires with hooked ends to remove To prevent damage during removal from the stationary element and seat.

  • Page 32: Shaft And Bearing Reassembly And Installation

    T SERIES OM -- 01043 O.D. toward the drive end of the shaft. If bearing replacement is required, remove the bearing retaining ring (19), and use a bearing pull- er 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 (5) from the bearing hot plate may be used to heat the bearings.

  • Page 33: Seal Installation

    OM -- 01043 T SERIES Press the outboard oil seal (16) into the bearing Clean the seal cavity and shaft with a cloth soaked cap (13) with the lip positioned as shown in Figure in fresh cleaning solvent. Inspect the stationary 2.
  • Page 34 T SERIES OM -- 01043 O-RING ENGAGED WITH SEAL PLATE BORE This seal is not designed for operation at temperatures above 160 F (71 C). Do not use at higher operating temperatures. If the seal plate was removed, install the seal plate gasket (4).

  • Page 35: Impeller Installation

    OM -- 01043 T SERIES Measure the impeller-to-seal plate clearance, and plastic pipe would aid this installation. The I.D. of remove impeller adjusting shims to obtain the the pipe should be slightly larger than the O.D. of proper clearance as described in Impeller Instal- the shaft sleeve.

  • Page 36: Rotating Assembly Installation

    T SERIES OM -- 01043 NOTE and measure the gap. Add or subtract rotating as- sembly shims accordingly. Proceed with Rotating Assembly Installation be- fore installing the impeller capscrew and washer (22 and 23). The rotating assembly must be in- Suction Check Valve Installation stalled in the pump casing in order to torque the im- peller capscrew.

  • Page 37: Pressure Relief Valve Maintenance

    Never replace this valve with a substitute which has not Bearings been specified or provided by the Gorman-Rupp Company. (Figure 2) Periodically, the valve should be removed for in- The bearing housing was fully lubricated when spection and cleaning.

  • Page 38: Power Source

    T SERIES OM -- 01043 portant in areas where variable hot and Power Source cold temperatures are common. For cold weather operation, consult the factory or a Consult the literature supplied with the power lubricant supplier for the recommended grade of source, or contact your local power source repre- oil.
  • Page 39 No express implied or statutory warranty, other than herein set forth is made or authorized to be made by Gorman-Rupp. In no event shall The Gorman-Rupp Company be liable for con- sequential damages or contingent liabilities arising out of the fail- ure of any Gorman-Rupp pump or parts thereof to operate prop- erly.

This manual is also suitable for:

T series

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