Summary of Contents for GORMAN-RUPP PUMPS T8A61S-B
Page 1
OM-05476-01 March 18, 2003 Rev. H 05‐25‐16 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER T SERIES PUMPS MODELS T8A61S-B INCLUDING: /F, /FM GORMAN‐RUPP PUMPS www.grpumps.com 2003 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:...
SUPER T SERIES OM-05476 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...
SUPER T SERIES OM-05476 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-05476 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...
SUPER T SERIES OM-05476 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...
OM-05476 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.
SUPER T SERIES OM-05476 suction and discharge ports and install the lines. SUCTION AND DISCHARGE PIPING Installation closer to the pump may result in erratic readings. Pump performance is adversely effected by in SUCTION LINES creased suction lift, discharge elevation, and fric tion losses.
OM-05476 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.
SUPER T SERIES OM-05476 minimize the chance of plugging. DISCHARGE LINES Siphoning In low discharge head applications (less than 30 feet or 9 meters), it is recommended that the by Do not terminate the discharge line at a level lower pass line be run back to the wet well, and located 6 than that of the liquid being pumped unless a si...
OM-05476 SUPER T SERIES AUTOMATIC AIR RELEASE VALVE When properly installed, a Gorman‐Rupp Auto matic Air Release Valve will permit air to escape If a manual shut‐off valve is installed in through the bypass line and then close automati a bypass line, it must not be left closed cally when the pump is fully primed and pumping during operation.
SUPER T SERIES OM-05476 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...
OM-05476 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.
SUPER T SERIES OM-05476 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...
OM-05476 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.
OM-05476 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...
OM-05476 SUPER T SERIES Open the suction line, and read the vacuum gauge gaged to be ejected with great force. Af with the pump primed and at operation speed. ter the pump completely cools, drain the Shut off the pump. The vacuum gauge reading will liquid from the pump by removing the immediately drop proportionate to static suction casing drain plug.
Page 20
OM-05476 SUPER T SERIES few hours, or if it has been pumping liquids con Checking bearing temperatures by hand is inaccu taining a large amount of solids, drain the pump, rate. Bearing temperatures can be measured ac and flush it thoroughly with clean water. To prevent curately by placing a contact‐type thermometer large solids from clogging the drain port and pre...
Page 21
SUPER T SERIES OM-05476 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-05476 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-05476 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-05476 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 T8A61S‐B, Including /F, /FM Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
Page 25
OM-05476 SUPER T SERIES ILLUSTRATION PARTS PAGE Figure 1. Pump Model T8A61S-B ncluding /F, /FM PAGE E - 2 MAINTENANCE & REPAIR...
Page 26
OM-05476 SUPER T SERIES PARTS LIST Pump Model T8A61S-B ncluding /F, /FM (From S/N 1262276 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 27
OM-05476 SUPER T SERIES ILLUSTRATION Figure 2. Repair Rotating Assembly PAGE E - 4 MAINTENANCE & REPAIR...
Page 28
OM-05476 SUPER T SERIES PARTS LIST Repair Rotating Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER HEX HEAD CAP SCREW B0605-1/2 15991 IMPELLER 12349 17070 LOCK WASHER J06 15991 CART SEAL ASSY 46512-192 BEARING CAP 38322-415 10010 ADJ SHIM SET 5091 17090 O‐RING...
Page 29
OM-05476 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-05476 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 (8B) and drain the seal lubricant. This The wear plate (6) is easily accessible and may be will prevent the oil in the seal cavity from escaping serviced by removing the back cover assembly...
Page 31
OM-05476 SUPER T SERIES use them to press the rotating assembly into the packed with it. If improvised tools are used, be sure pump casing until the bearing housing is free. they are heavy enough for safe use and will not damage the pump.
Page 32
SUPER T SERIES OM-05476 Shaft and Bearing Removal and Disassembly (Figure 2) Most cleaning solvents are toxic and When the pump is properly operated and main flammable. Use them only in a well ven tained, the bearing housing should not require dis tilated area free from excessive heat, assembly.
Page 33
OM-05476 SUPER T SERIES tilated area free from excessive heat, be replaced any time the shaft and bear sparks, and flame. Read and follow all ings are removed. precautions printed on solvent contain The bearings may be heated to ease installation. ers.
Page 34
SUPER T SERIES OM-05476 Seal Installation (Figures 2 and 5) When installing the bearings onto the shaft, never press or hit against the outer race, balls, or ball cage. Press only on the inner race. Most cleaning solvents are toxic and flammable.
Page 35
OM-05476 SUPER T SERIES SEAL PLATE RETAINER SPRING O‐RINGS IMPELLER BELLOWS IMPELLER SHAFT ROTATING STATIONARY ELEMENT ELEMENT IMPELLER SHIMS DRIVE BAND STATIONARY SEAT Figure 6. Seal Assembly Lubricate the shaft with water or a small amount of light oil and slide the rotating subassembly (con sisting of the rotating element, bellows and retain...
Page 36
SUPER T SERIES OM-05476 installation tool. Be careful not to damage the O‐ peller. Even the slightest amount of dirt on rings. the threads can cause the impeller to seize to the shaft, making future removal difficult Install the pump casing ring (37) and secure it to or impossible without damage to the im...
Page 37
OM-05476 SUPER T SERIES Clearance between the impeller and wear plate is locking screws align approximately with the holes adjusted using four adjusting screws and locking in the cover plate. collars. There are 18 detents on the I.D. of each Loosen the back cover nuts used to press the back locking collar.
Page 38
SUPER T SERIES OM-05476 replace this valve with a substitute which has not ounces (2,7 liters) of SAE No. 30 non‐detergent oil been specified or provided by the Gorman‐Rupp to the middle of the sight gauge (14) and maintain it Company.
Page 39
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...
Need help?
Do you have a question about the T8A61S-B and is the answer not in the manual?
Questions and answers