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Related Manuals for GORMAN-RUPP PUMPS T2C71SC-B
Summary of Contents for GORMAN-RUPP PUMPS T2C71SC-B
- Page 1 OM-07335-01 August 17, 2020 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER T SERIES PUMPS MODELS T2C71SC-B Including /F, /FM GORMAN‐RUPP PUMPS www.grpumps.com 2020 Gorman‐Rupp Pumps Printed in U.S.A.
- 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:...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY - SECTION A . - Page 4 TABLE OF CONTENTS (continued) BEARING TEMPERATURE CHECK ......... . PAGE C - 4 TROUBLESHOOTING - SECTION D .
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Page 5: Introduction
SUPER T SERIES OM-07335 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. HAZARD AND INSTRUCTION Read this manual carefully to learn how to safely DEFINITIONS install and operate your pump. Failure to do so could result in personal injury or damage to the The following are used to alert maintenance per... -
Page 6: Safety - Section A
SUPER T SERIES OM-07335 SAFETY - SECTION A This information applies to Super T Se riesr basic pumps. Gorman‐Rupp has no control over or particular knowledge of the power source which will be used. This pump is designed to handle liquids Refer to the manual accompanying the containing large entrained solids or power source before attempting to be... - Page 7 OM-07335 SUPER T SERIES Do not operate the pump against a Do not operate the pump without the closed discharge valve for long periods of time. If operated against a closed dis guards in place over the rotating parts. charge valve, pump components will Exposed rotating parts can catch cloth...
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Page 8: Installation - Section B
SUPER T SERIES OM-07335 INSTALLATION - SECTION B Review all SAFETY information in Section A. specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this be sure to limit the incoming pressure to 50% of section offers only general recommendations and the maximum permissible operating pressure as practices required to inspect, position, and ar... -
Page 9: Preinstallation Inspection
OM-07335 SUPER T SERIES PREINSTALLATION INSPECTION POSITIONING PUMP The pump assembly was inspected and tested be fore shipment from the factory. Before installation, inspect the pump for damage which may have oc Death or serious personal injury and curred during shipment. Check as follows: damage to the pump or components can occur if proper lifting procedures a. -
Page 10: Suction And Discharge Piping
SUPER T SERIES OM-07335 (215,9 mm) must be maintained to permit removal these gauges are desired for pumps that are not of the cover. tapped, drill and tap the suction and discharge lines not less than 18 inches (457,2 mm) from the suction and discharge ports and install the lines. -
Page 11: Suction Lines In Sumps
OM-07335 SUPER T SERIES Suction Lines In Sumps of one or both pumps. To avoid this, position the suction inlets so that they are separated by a dis If a single suction line is installed in a sump, it tance equal to at least 3 times the diameter of the should be positioned away from the wall of the suction pipe. -
Page 12: Discharge Lines
SUPER T SERIES OM-07335 In low discharge head applications (less than 30 DISCHARGE LINES feet or 9 meters), it is recommended that the by pass line be run back to the wet well, and located 6 Siphoning inches below the water level or cut‐off point of the low level pump. -
Page 13: Automatic Air Release Valve
OM-07335 SUPER T SERIES matic Air Release Valve will permit air to escape during operation. A closed manual shut‐ through the bypass line and then close automati off valve may cause a pump which has cally when the pump is fully primed and pumping lost prime to continue to operate with... -
Page 14: Alignment
SUPER T SERIES OM-07335 Connect the valve outlet to a bleed line which slopes back to the wet well or sump. The bleed line must be the same size as the outlet opening or larger, depending on which Air Release Valve is be When checking alignment, disconnect ing used. -
Page 15: Drive Belts
OM-07335 SUPER T SERIES 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. Select pulleys that will match the proper speed ra... -
Page 16: Operation - Section C
OM-07335 SUPER T SERIES OPERATION - SECTION C Review all SAFETY information in Section A. 2. The pump has not been used for a consider able length of time. Follow the instructions on all tags, labels and de 3. The liquid in the pump casing has evapo cals attached to the pump. -
Page 17: Operation
OM-07335 SUPER T SERIES Consult the operating manual furnished with the filled, adjust the throttling valve to the required flow power source before attempting to start the power rate. source. If an electric motor is used to drive the pump, re move V‐belts, couplings, or otherwise disconnect the pump from the motor before checking motor Do not operate the pump against a... -
Page 18: Strainer Check
OM-07335 SUPER T SERIES gaged to be ejected with great force. Af 2. Disconnect or lock out the power ter the pump completely cools, drain the source to ensure that the pump will liquid from the pump by removing the remain inoperative. -
Page 19: Cold Weather Preservation
OM-07335 SUPER T SERIES shock waves can be transmitted to the pump and remaining liquid that could freeze the pump rotat piping system. Close all connecting valves slowly. ing parts. If the pump will be idle for more than a few hours, or if it has been pumping liquids con... - Page 20 SUPER T SERIES OM-07335 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-07335 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.
- Page 22 SUPER T SERIES OM-07335 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.
- Page 23 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 T2C71SC-B, Including /F, /FM Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 24 OM-07335 SUPER T SERIES ILLUSTRATION PARTS PAGE Figure 1. Pump Model T2C71SC-B, /F, /FM PAGE E - 2 MAINTENANCE & REPAIR...
- Page 25 OM-07335 SUPER T SERIES PARTS LIST Pump Model T2C71SC-B, /F, /FM (From S/N 1730505 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.
- Page 26 OM-07335 SUPER T SERIES ILLUSTRATION SEAL AREA DETAIL Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Î Î Î Ì Ì Ì Ì Ì Ì Î Î Î Ï Î Î Ï Ï Î Î Î Ì Ì Ì Ì Ì Ì...
- Page 27 OM-07335 SUPER T SERIES PARTS LIST Repair Rotating Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER IMPELLER 38615-093 1102H BALL BEARING 23422-408 SHIM SET 2X 17090 RETAINING RING S248 MECH SEAL ASSY 46512-159 BRG. CAP GASKET 38683-268 18000 SHAFT SLEEVE 31441-037 16000 BEARING CAP...
- Page 28 OM-07335 SUPER T SERIES to ensure that it will remain inoperative. Close all PUMP AND SEAL DISASSEMBLY valves in the suction and discharge lines. AND REASSEMBLY For power source disassembly and repair, consult Review all SAFETY information in Section A. the literature supplied with the power source, or contact your local power source representative.
- Page 29 SUPER T SERIES OM-07335 casing. necessary and keep personnel away from suspended objects. Inspect the wear plate and replace it if badly scored or worn. To remove the wear plate, disengage the hardware (6 and 7). Use Only Genuine Gorman-Rupp re Inspect the back cover O‐rings (4 and 8) and re...
- Page 30 OM-07335 SUPER T SERIES shaft). Use caution not to damage the shaft or key iron) and a standard tee (see Figure 4). All threads are 1/2‐inch NPT. Do not pre‐assemble the tool. way. When the impeller breaks loose, remove the lathe dog, key and wood block.
- Page 31 SUPER T SERIES OM-07335 and work it up under the bellows. Slide the rotating After removing the shaft and bearings, clean and portion of the seal off the sleeve. inspect the bearings in place as follows. Use a pair of stiff wires with hooked ends to remove the stationary element and seat.
- Page 32 OM-07335 SUPER T SERIES If bearing replacement is required, remove the out O.D. toward the drive end of the shaft. board bearing snap ring (21) and use a bearing 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 (16) from the bearing hot plate may be used to heat the bearings.
- Page 33 SUPER T SERIES OM-07335 the bearing bore, push against the outer precautions printed on solvent contain race. Never hit the balls or ball cage. ers. Press the outboard oil seal (16) into the bearing Clean the seal cavity and shaft with a cloth soaked cap (23) with the lip positioned as shown in Figure in fresh cleaning solvent.
- Page 34 OM-07335 SUPER T SERIES A new seal assembly should be installed This seal is not designed for operation at any time the old seal is removed from the temperatures above 160 F (71 C). Do not pump. Wear patterns on the finished faces use at higher operating temperatures.
- Page 35 SUPER T SERIES OM-07335 Impeller Installation and Adjustment Rotating Assembly Installation (Figure 1) (Figure 2) NOTE Inspect the impeller and replace it if cracked or If the pump has been completely disassembled, it badly worn. Inspect the impeller and shaft threads is recommended that the back cover assembly be for dirt or damage and clean or dress the threads reinstalled at this point.
- Page 36 OM-07335 SUPER T SERIES Aviation No. 3 Form‐A‐Gasket' or equivalent com Align the back cover plate over the studs (2) and pound to the mating surfaces, and secure them to slide it into the pump casing. Use two back cover the pump casing with the attaching hardware.
- Page 37 SUPER T SERIES OM-07335 cover and tighten it. Refer to OPERATION, Section PRESSURE RELIEF VALVE C, before putting the pump back into service. MAINTENANCE (Figure 1) LUBRICATION The inspection cover (17) is equipped with a pres sure relief valve to provide additional safety for the Seal Assembly pump and operator (refer to Liquid Temperature (Figure 2)
- Page 38 For Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 Canada: 519-631-2870 International: +1-419-755-1352 GORMAN‐RUPP PUMPS...
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