GORMAN-RUPP T Series Installation, Operation And Maintenance Manual
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CDE
OM-05481-01
January 15, 2004
Rev. F 10‐09‐13
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
T SERIES PUMPS
MODELS
T2A60‐KW1.5 3P /FM
THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO
www.grpumps.com
D
GORMAN‐RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
2004 The Gorman‐Rupp Company
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- Page 1 OM-05481-01 January 15, 2004 Rev. F 10‐09‐13 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST T SERIES PUMPS MODELS T2A60‐KW1.5 3P /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.
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com/register. 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
Gorman‐ Rupp pump. This pump is a T Series, semi‐open impeller, self‐ priming centrifugal model with a suction check valve, close‐coupled to an electric motor. The... -
Page 6: Safety - Section A
T SERIES OM-05481 SAFETY - SECTION A This information applies to T Series 6. Vent the pump slowly and cau electric motor driven pumps. Refer to tiously. the manual accompanying the motor 7. Drain the pump. before attempting to begin operation. - Page 7 OM-05481 T SERIES damage to the pump or components can occur if proper lifting procedures are not observed. Make certain that hoists, chains, slings or cables are in Do not install and operate a non‐explo good working condition and of suffi...
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Page 8: Installation - Section B
T SERIES OM-05481 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... -
Page 9: Preinstallation Inspection
OM-05481 T SERIES PREINSTALLATION INSPECTION The pump assembly was inspected and tested be The electrical power used to operate fore shipment from the factory. Before installation, this pump is high enough to cause inju inspect the pump for damage which may have oc... -
Page 10: Clearance
T SERIES OM-05481 casing feet to the base and then extend the motor Connections to Pump mounting feet to the surface of the base to support Before tightening a connecting flange, align it ex the motor and eliminate vibration. Do not over‐ex... -
Page 11: Sealing
OM-05481 T SERIES strainer furnished with the pump will also pass tion inlet because the inflow will carry air down into through the pump itself. the sump, and air entering the suction line will re duce pump efficiency. If a strainer is not furnished with the pump, but is installed by the pump user, make certain that the If it is necessary to position inflow close to the suc... -
Page 12: Discharge Lines
T SERIES OM-05481 Figure 3. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES Siphoning If the application involves a high discharge head, gradually close the discharge Do not terminate the discharge line at a level lower throttling valve before stopping the pump. -
Page 13: Automatic Air Release Valve
OM-05481 T SERIES ameter to minimize the chance of plugging. the air release piping, it must be a full‐opening ball type valve to prevent plugging by solids. In low discharge head applications (less than 9 meters or 30 feet), it is recommended that the by... -
Page 14: Air Release Valve Installation
T SERIES OM-05481 lons] per minute) will occur when the valve is fully closed. Be sure the bypass line is directed back to the wet well or tank to prevent hazardous spills. É É É When the pump shuts down, the spring returns the diaphragm to its original position. -
Page 15: Electrical Connections
OM-05481 T SERIES 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) EXTEND 6”... - Page 16 T SERIES OM-05481 electrical codes. If there is a conflict be tween the instructions in the manual ac companying the unit and the prevailing electrical code or the applicable local code, the prevailing electrical code or Do not install and operate a non‐explo...
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Page 17: Operation - Section C
OM-05481 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 3. The liquid in the pump casing has evapo decals attached to the pump. -
Page 18: Operation
OM-05481 T‐SERIES line connections and fittings tight to maintain maxi OPERATION mum pump efficiency. 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 71_ C (160_ F). -
Page 19: Pump Vacuum Check
OM-05481 T‐SERIES regularly, and clean it as necessary. The strainer closed discharge throttling valve for should also be checked if pump flow rate begins to long periods of time. If operated against drop. If a vacuum suction gauge has been in a closed discharge throttling valve, stalled, monitor and record the readings regularly pump components will deteriorate, and... - Page 20 T SERIES OM-05481 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 the incoming power to the motor and lock it out to ensure that the pump will remain inopera...
- Page 21 OM-05481 T SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Strainer clogged. Check strainer and clean if neces FAILS TO DELIVER sary. RATED FLOW OR Suction intake not submerged at Check installation and correct sub PRESSURE (cont.) proper level or sump too small.
- Page 22 T SERIES OM-05481 TROUBLE POSSIBLE CAUSE PROBABLE REMEDY EXCESSIVE NOISE Cavitation in pump. Reduce suction lift and/or friction losses in suction line. Record vac uum and pressure gauge readings and consult local representative or factory. Pumping entrained air. Locate and eliminate source of air bubble.
- Page 23 OM-05481 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)
- Page 24 OM-05481 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 T2A60‐KW1.5 3P /FM Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 25 OM-05481 T SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Models T2A60-KW1.5 3P /FM PAGE E - 2 MAINTENANCE & REPAIR...
- Page 26 OM-05481 T SERIES PARTS LIST Pump Model T2A60-KW1.5 3P /FM (From S/N 1277918 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-05481 T SERIES SECTION DRAWING Figure 2. 44163-374 Repair Rotating Assembly PAGE E - 4 MAINTENANCE & REPAIR...
- Page 28 OM-05481 T SERIES PARTS LIST 44163-374 Repair Rotating Assembly ITEM PART MAT'L PART NAME NUMBER CODE IMPELLER 38615-093 11010 SEAL ASSEMBLY 46512-159 IMPELLER ADJ SHIM SET 17090 SHAFT SLEEVE 31413-088 16000 SEAL PLATE 38272-119 10000 SEAL PLATE GASKET 38687-556 20000...
- Page 29 OM-05481 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.
- Page 30 T SERIES OM-05481 Remove the hand nuts (24). Install two 3/8‐16 UNC (Figure 1) x 2‐1/2 inch long capscrews (not supplied) in the Remove the hardware (15 and 16) securing the ro tapped holes in the cover plate. Use these jacking tating assembly to the pump casing.
- Page 31 OM-05481 T SERIES use, and attempting to separate them could damage the bellows. Slide the shaft sleeve (4) and rotating portion of the To prevent damage during removal from seal off the shaft as a unit. Apply oil to the sleeve the shaft, it is recommended that the bear...
- Page 32 T SERIES OM-05481 flammable. Use them only in a well ven race, balls, or ball cage. Press only on the tilated area free from excessive heat, inner race. sparks, and flame. Read and follow all Secure the bearing on the shaft with the bearing re...
- Page 33 OM-05481 T SERIES scratching the faces. cannot be realigned during reassembly. Reusing an old seal could result in prema If a replacement seal is being used, remove it from ture failure. the container and inspect the precision finished faces to ensure that they are free of any foreign matter.
- Page 34 T SERIES OM-05481 the sleeve through the seal until the undercut end seal plate bore until it seats squarely against the seats against the shaft shoulder. bore shoulder. A push tube made from a piece of plastic pipe would aid this installation. The I.D. of Install the seal spring.
- Page 35 OM-05481 T SERIES Immobilize the shaft with a suitably sized shim as the impeller shaft to the motor shaft by torquing the previously described in Impeller Removal. Coat capscrew to 35 ft. lbs (420 in. lbs. or 4,8 m. kg.).
- Page 36 T SERIES OM-05481 Secure the back cover assembly by tightening the Remove the fill plug assembly (6) and fill the pump hand nuts (24) evenly. Do not over‐tighten the casing with clean liquid. Reinstall the fill plug and hand nuts; they should be just tight enough to en...
- 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...
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