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Related Manuals for GORMAN-RUPP PUMPS Super T T3A75S-B
Summary of Contents for GORMAN-RUPP PUMPS Super T T3A75S-B
- Page 1 OM-06667-01 December 2, 2013 Rev. A 04‐15‐15 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER T SERIESr PUMPS MODELS T3A75S‐B INCLUDING: /F, /FM, /WW GORMAN‐RUPP PUMPS www.grpumps.com 2013 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) TROUBLESHOOTING - SECTION D ......PAGE D - 1 PREVENTIVE MAINTENANCE .
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Page 5: Introduction
SUPER T SERIES OM-06667 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-06667 SAFETY - SECTION A This information applies to Super T Se which may damage the pump or endan riesr basic pumps. Gorman‐Rupp has ger personnel as a result of pump fail no control over or particular knowledge ure. - Page 7 OM-06667 SUPER T SERIES are not observed. Make certain that these parts with great force when they hoists, chains, slings or cables are in are disengaged. Allow the pump to good working condition and of suffi completely cool before servicing it. cient capacity and that they are posi...
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Page 8: Installation - Section B
SUPER T SERIES OM-06667 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-06667 SUPER T SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be fore shipment from the factory. Before installation, inspect the pump for damage which may have oc curred during shipment. Check as follows: a. Inspect the pump for cracks, dents, damaged Death or serious personal injury and threads, and other obvious damage. -
Page 10: Suction And Discharge Piping
SUPER T SERIES OM-06667 (229 mm) must be maintained to permit removal of these gauges are desired for pumps that are not 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-06667 SUPER T SERIES tight seal. Follow the sealant manufacturer's rec If two suction lines are installed in a single sump, ommendations when selecting and applying the the flow paths may interact, reducing the efficiency pipe dope. The pipe dope should be compatible of one or both pumps. -
Page 12: Discharge Lines
SUPER T SERIES OM-06667 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-06667 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-06667 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 FUR NISHED) DO NOT EX SUCTION TEND BELOW PUMP LINE... -
Page 15: Coupled Drives
OM-06667 SUPER T SERIES Adjusting the alignment in one direction may alter the alignment in another direc tion. check each procedure after altering alignment. Coupled Drives Figure 5. Aligning Non‐Spider Type Couplings Check parallel adjustment by laying a straightedge across both coupling rims at the top, bottom, and When using couplings, the axis of the power side. -
Page 16: Drive Belt Tensioning
SUPER T SERIES OM-06667 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... -
Page 17: Operation - Section C
OM-06667 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. -
Page 18: Operation
OM-06667 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... -
Page 19: Strainer Check
OM-06667 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. -
Page 20: Bearing Temperature Check
OM-06667 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... - Page 21 SUPER T SERIES OM-06667 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 22 OM-06667 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 23 SUPER T SERIES OM-06667 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 24 OM-06667 SUPER T SERIES 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 T3A75S‐B, Including /F, /FM and /WW Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 25 OM-06667 SUPER T SERIES ILLUSTRATION PARTS PAGE Figure 1. Pump Model T3A75S-B, Including /F, /FM and /WW PAGE E - 2 MAINTENANCE & REPAIR...
- Page 26 OM-06667 SUPER T SERIES PARTS LIST Pump Model T3A75S-B, Including /F, /FM and /WW (From S/N 1551976 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 27 OM-06667 SUPER T SERIES ILLUSTRATION Figure 2. Repair Rotating Assemblies PAGE E - 4 MAINTENANCE & REPAIR...
- Page 28 OM-06667 SUPER T SERIES PARTS LIST Repair Rotating Assemblies Note: Order complete Repair Rotating Assembly for /WW model from the Pump Model Assembly Parts List on page E-3. Repair Rotating Assembly for /WW models include all of the standard parts listed below. ITEM PART NAME PART...
- Page 29 OM-06667 SUPER T SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Before attempting to open or service the Review all SAFETY information in Section A. pump: 1. Familiarize yourself with this man ual. Follow the instructions on all tags, label and decals 2.
- Page 30 SUPER T SERIES OM-06667 Back Cover and Wear Plate Removal The impeller (1) should be loosened while the rotat ing assembly is still secured to the pump casing. (Figure 1) Before loosening the impeller, remove the seal cav ity drain plug (15A) and drain the seal lubricant. The wear plate (5) is easily accessible and may be This will prevent the oil in the seal cavity from es...
- Page 31 OM-06667 SUPER T SERIES pump casing. Tie and tag the rotating assembly Seal Removal shims (34) for ease of reassembly. (Figure 2) NOTE Slide the integral shaft sleeve and rotating portion An optional disassembly tool is available from the of the seal off the shaft as a unit. factory.
- Page 32 SUPER T SERIES OM-06667 Pry or press the oil seals (6 and 6A) from the bear housing. Replace the bearings, shaft, or bearing ing housing. housing if the proper bearing fit is not achieved. If bearing replacement is required, remove the out After removing the shaft and bearings, clean and board bearing snap ring (21) and use a bearing inspect the bearings in place as follows.
- Page 33 OM-06667 SUPER T SERIES The bearings may be heated to ease installation. sembled bearings into the bearing housing until An induction heater, hot oil bath, electric oven, or the retaining ring on the outboard bearing seats hot plate may be used to heat the bearings. Bear against the bearing housing.
- Page 34 SUPER T SERIES OM-06667 To ease installation of the seal, lubricate the shaft pump. Wear patterns on the finished faces sleeve O‐ring and the external stationary seat O‐ cannot be realigned during reassembly. ring with a very small amount of light lubricating oil. Reusing an old seal could result in prema...
- Page 35 OM-06667 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.
- Page 36 SUPER T SERIES OM-06667 Slide the rotating portion of the seal (consisting of (26 and 27). The rotating assembly must be in the integral shaft sleeve, spring centering washer, stalled in the pump casing in order to torque the im spring, bellows and retainer, and rotating element) peller capscrew.
- Page 37 OM-06667 SUPER T SERIES replace the respective gaskets, apply `Permatex just flush with the machined surface on the back Aviation No. 3 Form‐A‐Gasket' or equivalent com side of the cover plate. pound to the mating surfaces, and secure them to Align the back cover plate over the studs (3) and the pump casing with the attaching hardware.
- Page 38 SUPER T SERIES OM-06667 back cover adjustment procedure described cover and tighten it. Refer to OPERATION, Section above to obtain the proper face clearance. C, before putting the pump back into service. LUBRICATION PRESSURE RELIEF VALVE MAINTENANCE Seal Assembly (Figure 1) (Figure 2) The back cover is equipped with a pressure relief Before starting the pump, remove the vented plug...
- Page 39 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 GORMAN‐RUPP PUMPS...
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