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GORMAN-RUPP T8A60-B/F Installation, Operation And Maintenance Manual

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C
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
WITH PARTS LIST
T-SERIES PUMP
MODELS
T8A60---B
INCLUDING: /F, /FM
ST. THOMAS, ONTARIO, CANADA
D
E
Copyright by the Gorman-Rupp Company
OM-01930-OB03
May 25, 1988
Rev. G 10/01/02
Printed in U.S.A.

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Summary of Contents for GORMAN-RUPP T8A60-B/F

  • Page 1 Rev. G 10/01/02 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST T-SERIES PUMP MODELS T8A60---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 PREVENTIVE MAINTENANCE .
  • Page 4 T SERIES OM -- 01930-- 03 INTRODUCTION Thank You for purchasing a Gorman-Rupp pump. If there are any questions regarding the pump or Read this manual carefully to learn how to safely its application which are not covered in this man- install and operate your pump.
  • Page 5 SAFETY --- SECTION A This information applies to T SERIES make certain that the pump and all pip- Basic pumps. Gorman-Rupp has no ing connections are tight, properly sup- control over or particular knowledge of ported and secure before operation.
  • Page 6 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 7 Pump performance is adversely effected by in- anything appears to be abnormal, contact your creased suction lift, discharge elevation, and fric- Gorman-Rupp distributor or the factory to deter- tion losses. See the performance curve and oper- mine the repair or updating policy. Do not put the...
  • Page 8 T SERIES OM -- 01930-- 03 Materials line must always slope upward to the pump from the source of the liquid being pumped; if the line Either pipe or hose maybe used for suction and slopes down to the pump at any point along the discharge lines;...
  • Page 9 OM -- 01930-- 03 T SERIES If there is a liquid flow from an open pipe into the tance equal to at least 3 times the diameter of the sump, the flow should be kept away from the suc- suction pipe. tion inlet because the inflow will carry air down into the sump, and air entering the suction line will re- Suction Line Positioning...
  • Page 10 Therefore, it is recom- throttling valve before stopping the pump. mended that a Gorman-Rupp Automatic Air Re- lease Valve be installed in the bypass line. Gorman-Rupp Automatic Air Release Valves are Bypass Lines reliable, and require minimum maintenance.
  • Page 11 When properly installed and correctly adjusted to the specific hydraulic operating conditions of the application, the Gorman-Rupp Automatic Air Re- lease Valve will permit air to escape through the by- pass line, and then close automatically when the pump is fully primed and pumping at full capacity.
  • Page 12 However, if multiple Air Re- lease Valves are installed in a system, the bleeder When mounted at the Gorman-Rupp factory, driver lines may be directed to a common manifold pipe. Contact your Gorman-Rupp distributor or the Gor- and pump are aligned before shipment.
  • Page 13 OM -- 01930-- 03 T SERIES ment will occur in transit and handling. Pumps must be checked and realigned before operation. Before checking alignment, tighten the foundation bolts. The pump casing feet and/or pedestal feet, and the driver mounting bolts should also be tightly secured.
  • Page 14 T SERIES OM -- 01930-- 03 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- guards in place over the rotating parts.
  • Page 15 OM -- 01930-- 03 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 Lines With a Bypass Liquid Temperature And Overheating If a Gorman-Rupp Automatic Air Release Valve has The maximum liquid temperature for this pump is been installed, the valve will automatically open to 160_ F (71_ C). Do not apply it at a higher operat- allow the pump to prime, and automatically close ing temperature.
  • Page 17 OM -- 01930-- 03 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, disconnect or lock out pump or installed by the user, check the strainer regularly, and clean it as necessary.

  • Page 18: Troubleshooting

    T SERIES OM -- 01930-- 03 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. Disconnect or lock out the power source to ensure that the pump will remain inoperative.
  • Page 19 OM -- 01930-- 03 T SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Impeller or other wearing parts worn Replace worn or damaged parts. PUMP STOPS OR FAILS TO DELIVER or damaged. Check that impeller is properly RATED FLOW OR centered and rotates freely. PRESSURE (cont.) Impeller clogged.

  • Page 20: 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 21 OM -- 01930-- 03 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 22: Pump Maintenance And Repair

    ATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL T8A60-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- formance or part numbers. with minimum suction lift. Since pump installations are seldom identical, your performance may be dif- ference due to such factors as viscosity, specific gravity, elevation, temperature, and impeller trim.
  • Page 23 OM -- 01930-- 03 T SERIES SECTION DRAWING TOP VIEW Figure 1. Pump Model T8A60---B PAGE E -- 2 MAINTENANCE & REPAIR...

  • Page 24: Parts Lists

    PARTS LIST Pump Model T8A60---B (From S/N 905546 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 25 OM -- 01930-- 03 T SERIES SECTION DRAWING DRIVE END VIEW SEAL AREA DETAIL Figure 2. 44163---129 Repair Rotating Assembly PAGE E -- 4 MAINTENANCE & REPAIR...
  • Page 26 OM -- 01930-- 03 T SERIES PARTS LIST 44163---129 Repair Rotating Assembly ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE IMPELLER 12349 11000 BEARING HSG O-RING S1914 --- --- --- SHIPPING PLUG 11495B 15079 SEAL ASSEMBLY 46513--- 154 --- --- ---...

  • Page 27: Pump And Seal Disassembly And Reassembly

    OM -- 01930-- 03 T SERIES PUMP AND SEAL DISASSEMBLY For power source disassembly and repair, consult the literature supplied with the power source, or AND REASSEMBLY contact your local power source representative. Most cleaning solvents are toxic and Before attempting to open or service the flammable.

  • Page 28: Suction Check Valve Removal

    OM -- 01930-- 03 T SERIES Suction Check Valve Removal Turn Counterclockwise (Figure 1) If the check valve assembly (42) is to be serviced, reach through the back cover opening, remove the check valve pin (3) and pull the complete assembly Lathe Dog Arm from the suction flange (41).

  • Page 29: Impeller Removal

    OM -- 01930-- 03 T SERIES ADD PIPE AS REQUIRED Figure 4. Rotating Assembly Removal Impeller Removal If no further disassembly is required, refer to Seal Installation. (Figure 2) Shaft and Bearing Removal and Disassembly Unscrew the impeller (1) in a counterclockwise di- rection when facing the impeller.

  • Page 30: Shaft And Bearing Reassembly And Installation

    OM -- 01930-- 03 T SERIES If bearing replacement is required, remove the out- board bearing retaining ring (18), and use a bear- ing puller to remove the bearings from the shaft. Press the inboard oil seal (4) from the bearing To prevent damage during removal from housing.

  • Page 31: Seal Reassembly And Installation

    OM -- 01930-- 03 T SERIES Heat the bearings to a uniform temperature no NOTE higher than 250_F (120_C), and slide the bearings Position the inboard bearing (7) on the shaft as indi- onto the shaft, one at a time, until they are fully cated by the following illustration.
  • Page 32 OM -- 01930-- 03 T SERIES tilated area free from excessive heat, sparks, and flame. Read and follow all precautions printed on solvent contain- ers. A new seal assembly should be installed any time the old seal is removed from the Clean the seal cavity and shaft with a cloth soaked pump.
  • Page 33 OM -- 01930-- 03 T SERIES continue to slide the O-ring down the shaft until it As the stationary seat becomes fully seated, the seats against the shaft shoulder. seal spring compresses, and the shaft sleeve will break the nylon shear ring. This allows the sleeve to slide down the shaft until seated against the When installing a new cartridge seal assembly, shaft shoulder.

  • Page 34: Impeller Installation And Adjustment

    OM -- 01930-- 03 T SERIES Carefully wash all metallic parts in fresh cleaning to the shaft, making future removal difficult solvent and allow to dry thoroughly. or impossible without damage to the im- peller or shaft. Install the same thickness of impeller adjusting shims (10) as previously removed.

  • Page 35: Suction Check Valve Installation

    OM -- 01930-- 03 T SERIES using the installation tool. Be careful not to dam- the adaptor with the flange hole, and secure the as- age the O-rings. sembly with the check valve pin (3). NOTE Secure the pump casing ring (14) to the rotating If the suction or discharge flanges were removed, assembly with the inner hardware (17 and 18).

  • Page 36: Final Pump Assembly

    Never Clean and reinstall the vented plug. Maintain the oil replace this valve with a substitute which has not at this level. been specified or provided by the Gorman-Rupp Company. Bearings Periodically, the valve should be removed for in- spection and cleaning.
  • Page 37 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:

T8a60-bT-seriesT8a60-b/fm

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