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- Page 1 OM-05391-01 September 9, 2002 Rev. H 05‐12‐22 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST T SERIESr PUMPS MODELS T2A65‐B INCLUDING: /F and /FM GORMAN‐RUPP PUMPS www.grpumps.com 2002 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
T SERIES OM-05391 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
T SERIES OM-05391 SAFETY - SECTION A This information applies to T Seriesr ba 6. Vent the pump slowly and cau sic pumps. Gorman‐Rupp has no con tiously. trol over or particular knowledge of the 7. Drain the pump. power source which will be used. Refer to the manual accompanying the power source before attempting to begin op... - Page 7 OM-05391 T SERIES charge valve, pump components will moved from the pump before lifting. Lift deteriorate, and the liquid could come the pump or component only as high as to a boil, build pressure, and cause the necessary and keep personnel away pump casing to rupture or explode.
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Page 8: Installation - Section B
OUTLINE DRAWING NOTE: OPTIONAL SUCTION & DISCHARGE SPOOL FLANGES AVAILABLE Figure 1. Pump Model T2A65-B, Including /F, /FM PREINSTALLATION INSPECTION a. Inspect the pump for cracks, dents, damaged threads, and other obvious damage. -
Page 9: Positioning Pump
OM-05391 T SERIES ing, check for loose hardware at mating sur and the pump or components will not be faces. damaged when lifting. Suction and dis charge hoses and piping must be re c. Carefully read all warnings and cautions con moved from the pump before lifting. -
Page 10: Line Configuration
T SERIES OM-05391 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. -
Page 11: Suction Line Positioning
OM-05391 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. -
Page 12: Bypass Lines
T SERIES OM-05391 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. -
Page 13: Automatic Air Release Valve
OM-05391 T SERIES tion when removing the plug to prevent liters] per minute) will occur when the valve is fully closed. Be sure the bypass injury to personnel from hot liquid. line is directed back to the wet well or tank to prevent hazardous spills. -
Page 14: Alignment
T SERIES OM-05391 The coupling is in alignment when the hub ends ALIGNMENT are the same distance apart at all points (see Fig ure 4A). The alignment of the pump and its power source is critical for trouble‐free mechanical operation. In ei ther a flexible coupling or V‐belt driven system, the driver and pump must be mounted so that their shafts are aligned with and parallel to each other. - Page 15 OM-05391 T SERIES Do not operate the pump without the guard in place over the rotating parts exposed rotating parts can catch cloth ing, fingers, or tools, causing severe in jury to personnel. MISALIGNED: MISALIGNED: ALIGNED: SHAFTS SHAFTS SHAFTS PARALLEL AND NOT PARALLEL NOT IN LINE SHEAVES IN LINE...
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Page 16: Operation - Section C
OM-05391 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-05391 T‐SERIES incorrect on a single‐phase motor, consult the liter Leakage ature supplied with the motor for specific instruc tions. No leakage should be visible at pump mating sur faces, or at pump connections or fittings. Keep all line connections and fittings tight to maintain maxi OPERATION mum pump efficiency. -
Page 18: Strainer Check
OM-05391 T‐SERIES Strainer Check If a suction strainer has been shipped with the pump or installed by the user, check the strainer If the application involves a high discharge regularly, and clean it as necessary. The strainer head, gradually close the discharge throt should also be checked if pump flow rate begins to tling valve before stopping the pump. - Page 19 OM-05391 T‐SERIES curately by placing a contact‐type thermometer AND REPAIR). Bearing overheating can also be against the housing. Record this temperature for caused by shaft misalignment and/or excessive vi future reference. bration. A sudden increase in bearing temperature is a warning that the bearings are at the point of failing When pumps are first started, the bearings may to operate properly.
- Page 20 T SERIES OM-05391 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-05391 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 PRESSURE Suction intake not submerged at Check installation and correct sub proper level or sump too small. mergence as needed.
- Page 22 T SERIES OM-05391 TROUBLE POSSIBLE CAUSE PROBABLE REMEDY BEARINGS RUN Bearing temperature is high, but Check bearing temperature regu TOO HOT within limits. larly to monitor any increase. Low or incorrect lubricant. Check for proper type and level of lubricant. Suction and discharge lines not Check piping installation for properly supported.
- Page 23 OM-05391 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) Air Release Valve Plunger Rod (If So Equipped) Front Impeller Clearance (Wear Plate)
- Page 24 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 T2A65-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-05391 T SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model T2A65-B, Including /F, /FM PAGE E - 2 MAINTENANCE & REPAIR...
- Page 26 OM-05391 T SERIES PARTS LIST Pump Model T2A65-B, Including /F, /FM (From S/N 1251058 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-05391 T SERIES ILLUSTRATION Figure 2. Repair Rotating Assembly PAGE E - 4 MAINTENANCE & REPAIR...
- Page 28 OM-05391 T SERIES PARTS LIST Repair Rotating Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER IMPELLER 38615-093 1718H BALL BEARING 23276-008 IMP ADJ SHIM SET 2X 17090 IMPELLER SHAFT 38514-565 1706H MECH SEAL ASSY 46512-159 N0408 17090 SHAFT SLEEVE 31441-037 17070 BALL BEARING...
- Page 29 OM-05391 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 T SERIES OM-05391 NOTE Further disassembly of the check valve is not re quired since it must be replaced as a complete unit. Individual parts are not sold separately. Use Only Genuine Gorman-Rupp re placement parts. Failure to do so may cre ate a hazard and damage the pump or di...
- Page 31 OM-05391 T SERIES Seal Removal NOTE Do not remove the impeller until the rotating assem (Figure 2) bly has been removed from the pump casing. Remove the seal spring. Slide the shaft sleeve and rotating portion of the seal off the shaft as a unit. Apply oil to the sleeve Turn Counterclockwise and work it up under the bellows.
- Page 32 T SERIES OM-05391 Remove the bearing housing drain plug (15) and ly shorten bearing life. Do not spin dry drain the lubricant. Clean and reinstall the drain bearings. This may scratch the balls or plug. races and cause premature bearing fail ure.
- Page 33 OM-05391 T SERIES When installing the bearings onto the To prevent damage during removal from shaft, never press or hit against the outer the shaft, it is recommended that bearings race, balls, or ball cage. Press only on the be cleaned and inspected in place. It is inner race.
- Page 34 T SERIES OM-05391 shorten seal life. If necessary, clean the faces with a non‐oil based solvent and a clean, lint‐free tissue. Wipe lightly in a concentric pattern to avoid scratching the faces. A new seal assembly should be installed If a replacement seal is being used, remove it from any time the old seal is removed from the the container and inspect the precision finished pump.
- Page 35 OM-05391 T SERIES To prevent damaging the shaft sleeve O‐ring (27) on the shaft threads, cover the threads with electri cal or duct tape. Slide the O‐ring over the shaft until it seats against the shaft shoulder. Remove the Do not attempt to separate the rotating tape covering the threads.
- Page 36 T SERIES OM-05391 Install the same thickness of impeller adjusting Install the four sets of rotating assembly adjusting shims (2) as previously removed. Apply `Never‐ shims (26) using the same thickness as previously Seez' or equivalent to the shaft threads and screw removed.
- Page 37 OM-05391 T SERIES Replace the back cover O‐ring (13) and lubricate it with a generous amount of No. 2 grease. Clean any scale or debris from the contacting surfaces in the pump casing that might interfere or prevent a good Do not operate the pump without the seal with the back cover.
- Page 38 T SERIES OM-05391 For cold weather operation, consult the factory or a lubricant supplier for the recommended grade of oil. Monitor the condition of the bearing lubri Power Source cant regularly for evidence of rust or mois ture condensation. This is especially im Consult the literature supplied with the power portant in areas where variable hot and source, or contact your local power source repre...
- 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...
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