Summary of Contents for GORMAN-RUPP PUMPS T3A71S-B
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July 15, 2002 Rev. E 03-25-08 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER T SERIES PUMPS MODELS T3A71S-B INCLUDING: /F, /FM THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A.
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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:...
SUPER T-SERIES OM−05349 INTRODUCTION Thank You for purchasing a Gorman-Rupp pump. For information or technical assistance on the Read this manual carefully to learn how to safely power source, contact the power source manufac- install and operate your pump. Failure to do so turer’s local dealer or representative.
SUPER T-SERIES OM−05349 SAFETY − SECTION A This information applies to the Super T- 6. Vent the pump slowly and cau- Series basic pumps. Gorman-Rupp has tiously. no control over or particular knowledge 7. Drain the pump. of the power source which will be used. Refer to the manual accompanying the power source before attempting to be- gin operation.
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OM−05349 SUPER T-SERIES Use lifting and moving equipment in Pumps and related equipment must be in- good repair and with adequate capacity stalled and operated according to all na- to prevent injuries to personnel or dam- tional, local and industry standards. age to equipment.
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 T3A71S-B INSTALLATION PAGE B − 1...
OM−05349 SUPER T-SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be- Pump unit weights will vary depending on the fore shipment from the factory. Before installation, mounting and drive provided. Check the shipping inspect the pump for damage which may have oc- tag on the unit packaging for the actual weight, and curred during shipment.
SUPER T-SERIES OM−05349 compatible with the liquid being pumped. If hose is Fittings 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.
OM−05349 SUPER T-SERIES If it is necessary to position inflow close to the suc- Suction Line Positioning 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.
SUPER T-SERIES OM−05349 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 full working pressure of the pump; this will reduce If the application involves a high discharge overall pumping efficiency.
OM−05349 SUPER T-SERIES presses the spring and closes the valve (Figure 4). moving the plug to prevent injury to per- The valve will remain closed, reducing the bypass sonnel from hot liquid. of liquid to 1 to 5 gallons (3.8 to 19 liters) per min- ute, until the pump loses its prime or stops.
OM−05349 SUPER T-SERIES When checking alignment, disconnect the power source to ensure that the pump will remain inoperative. Adjusting the alignment in one direction Figure 7. Aligning Non-Spider Type Couplings may alter the alignment in another direc- tion. check each procedure after altering Check parallel adjustment by laying a straightedge alignment.
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SUPER T-SERIES OM−05349 Select pulleys that will match the proper speed ra- DRIVE BELT TENSIONING tio; overspeeding the pump may damage both General Rules of Tensioning pump and power source. For new drive belts, check the tension after 5, 20 and 50 hours of operation and re-tension as re- quired (see the following procedure for measuring belt tension).
OM−05349 SUPER 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.
OM−05349 SUPER T-SERIES After the pump has been primed, partially close the dicated by the arrow on the pump body discharge line throttling valve in order to fill the line and on the accompanying decal. Other- slowly and guard against excessive shock pres- wise, the impeller could become loosened sure which could damage pipe ends, gaskets, from the shaft and seriously damage the...
OM−05349 SUPER T-SERIES not, check for air leaks in the seal, gasket, or dis- in the pump can reach boiling tempera- charge valve. tures, and vapor pressure within the pump can cause parts being disen- Open the suction line, and read the vacuum gauge gaged to be ejected with great force.
OM−05349 SUPER T-SERIES for approximately one minute; this will remove any Checking bearing temperatures by hand is inaccu- remaining liquid that could freeze the pump rotat- rate. Bearing temperatures can be measured ac- ing parts. If the pump will be idle for more than a curately by placing a contact-type thermometer few hours, or if it has been pumping liquids con- against the housing.
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SUPER T-SERIES OM−05349 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.
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OM−05349 SUPER T-SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Suction intake not submerged at Check installation and correct PUMP STOPS OR FAILS TO DELIVER proper level or sump too small. submergence as needed. RATED FLOW OR Impeller or other wearing parts worn Replace worn or damaged parts.
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SUPER T-SERIES OM−05349 equipped) between regularly scheduled inspec- PREVENTIVE MAINTENANCE tions can indicate problems that can be corrected Since pump applications are seldom identical, and before system damage or catastrophic failure oc- pump wear is directly affected by such things as curs.
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MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL T3A71S-B, /F, /FM Based on 70_F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- formance or part numbers.
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OM−05349 SUPER T-SERIES SECTION DRAWING PARTS PAGE TOP VIEW DRIVE END VIEW Figure 1. Pump Model T3A71S−B, /F, /FM PAGE E − 2 MAINTENANCE & REPAIR...
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OM−05349 SUPER T-SERIES PARTS LIST Pump Model T3A71S−B, /F, /FM (From S/N 1248866 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...
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OM−05349 SUPER T-SERIES SECTION DRAWING Figure 2. 44163−327 Repair Rotating Assembly PAGE E − 4 MAINTENANCE & REPAIR...
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OM−05349 SUPER T-SERIES PARTS LIST 44163−327 Repair Rotating Assembly ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE IMPELLER 11406 1102H ROT ASSY ADJ SHIMS 13130−3 17040 ASSEMBLY PLATE 2613GG 13990 SEAL ASSEMBLY 46513−151 −−− DRIVE SCREW BM#04−03 17000 SEAL PLATE GASKET...
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OM−05349 SUPER T-SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Before attempting to open or service the pump: Review all SAFETY information in Section A. 1. Familiarize yourself with this man- ual. Follow the instructions on all tags, label and decals 2.
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SUPER T-SERIES OM−05349 Inspect the wear plate, and replace it if badly With the impeller rotation still blocked, see Figure 3 scored or worn. To remove the wear plate, disen- and use a long piece of heavy bar stock to pry gage the hardware (14 and 15).
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OM−05349 SUPER T-SERIES and 22) and separate the seal plate (23) and gas- ket (3) from the bearing housing (7). Position the seal plate on a flat surface with the impeller side down. Use a wooden dowel or other suitable tool to press on the back side of the stationary seat until APPROX.
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SUPER T-SERIES OM−05349 Shaft and Bearing Reassembly and Installation be cleaned and inspected in place. It is strongly recommended that the bearings (Figure 2) be replaced any time the shaft and bear- ings are removed. Clean the bearing housing, shaft and all compo- nent parts (except the bearings) with a soft cloth soaked in cleaning solvent.
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OM−05349 SUPER T-SERIES Position the inboard oil seal (4) in the bearing hous- NOTE ing bore with the lip positioned as shown in Figure If a hot oil bath is used to heat the bearings, both the 2. Press the oil seal into the housing until the face is oil and the container must be absolutely clean.
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SUPER T-SERIES OM−05349 sleeve O-ring and the external stationary seat O- Reusing an old seal could result in prema- ring with a very small amount of light lubricating oil. ture failure. See Figure 5 for seal part identification. To ease installation of the seal, lubricate the shaft RETAINER SEAL PLATE SPRING...
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OM−05349 SUPER T-SERIES proper clearance as described in Impeller Instal- O-RING ENGAGED WITH SEAL PLATE lation and Adjustment. BORE If necessary to reuse an old seal in an emer- gency, carefully separate the rotating and station- ary seal faces from the bellows retainer and sta- tionary seat.
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SUPER T-SERIES OM−05349 Slide the rotating portion of the seal (consisting of Proceed with Rotating Assembly Installation be- the integral shaft sleeve, spring centering washer, fore installing the impeller capscrew and washer spring, bellows and retainer, and rotating element) (25 and 26). The rotating assembly must be in- onto the shaft until the seal faces contact.
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OM−05349 SUPER T-SERIES Back Cover Installation And Adjustment nuts (31) on diagonally opposing studs to press the back cover into the pump casing until the wear (Figure 1 and 8) plate just touches the impeller when the shaft is turned by hand. Tighten the back cover nuts If the wear plate (12) was removed for replace- evenly to avoid binding.
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SUPER T-SERIES OM−05349 PRESSURE RELIEF VALVE LUBRICATION MAINTENANCE Seal Assembly (Figure 1) (Figure 2) The back cover is equipped with a pressure relief Before starting the pump, remove the vented plug valve (22) to provide additional safety for the pump (8) and fill the seal cavity with SAE No.
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OM−05349 SUPER T-SERIES Power Source Consult the literature supplied with the power source, or contact your local power source repre- sentative. PAGE E − 16 MAINTENANCE & REPAIR...
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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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