Related Manuals for GORMAN-RUPP PUMPS 6400 Series
Summary of Contents for GORMAN-RUPP PUMPS 6400 Series
- Page 1 OM-07654-01 February 12, 2024 Rev. A - 3/18/25 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 6400 SERIES® PUMP MODELS: 6408E60-B GORMAN-RUPP PUMPS | GRPUMPS.COM © 2024 The Gorman-Rupp Company.
- 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 A - 1 INSTALLATION - SECTION B ................PAGE B - 1 Pump Dimensions ............................. PAGE B - 1 PREINSTALLATION INSPECTION ..........................PAGE B - 1 POSITIONING PUMP .............................. - Page 4 TABLE OF CONTENTS (continued) TROUBLESHOOTING - SECTION D ..............PAGE D - 1 PREVENTIVE MAINTENANCE ..........................PAGE D - 3 PUMP MAINTENANCE AND REPAIR - SECTION E ..........PAGE E - 1 PERFORMANCE CURVE ............................. PAGE E - 1 PARTS LISTS: ................................. PAGE E - 3 Pump End Assembly ............................
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Page 5: Introduction
6400 SERIES OM-07654 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 The following are used to alert maintenance person- result in personal injury or damage to the pump. -
Page 6: Safety - Section A
6400 SERIES OM-07654 SAFETY - SECTION A This information applies to 6400 Series basic pumps. Gorman‐Rupp has no control over or par- ticular knowledge of the power source which will be used. Refer to the manual accompanying the Death or serious personal injury and... - Page 7 6400 SERIES OM-07654 Overheated pumps can cause severe Do not remove plates, covers, gauges, burns and injuries. If overheating of pipe plugs, or ttings from an over- the pump occurs: heated pump. Vapor pressure within 1. Stop the pump immediately.
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Page 8: Installation Section B
6400 SERIES OM-07654 INSTALLATION SECTION B Review all SAFETY information in Section A. mum permissible operating pressure as shown on the pump performance curve (see Section E, Page 1) Since pump installations are seldom identical, this sec- tion offers only general recommendations and practic- For further assistance, contact your Gorman‐Rupp dis-... -
Page 9: Positioning Pump
6400 SERIES OM-07654 The pumping unit must be securely mounted to a If the maximum shelf life has been exceeded, or if any- foundation that is heavy enough to absorb any vibra- thing appears to be abnormal, contact your Gorman‐... -
Page 10: Suction Lines
6400 SERIES OM-07654 excessive vibration, decreased bearing life, and in- when selecting and applying the pipe dope. The pipe creased shaft and seal wear. If hose-type lines are used, dope should be compatible with the liquid being they should have adequate support to secure them pumped. -
Page 11: Coupled Drives
6400 SERIES OM-07654 When mounted at the Gorman‐Rupp factory, driver Adjusting the alignment in one direction and pump are aligned before shipment. Misalignment may alter the alignment in another direction. will occur in transit and handling. Pumps must be check each procedure after altering checked and realigned before operation. -
Page 12: Drive Belt Tensioning
6400 SERIES OM-07654 DRIVE BELT TENSIONING Tighten the belts in accordance with the belt manufac- turer’s instructions. If the belts are too loose, they will General Rules of Tensioning slip; if the belts are too tight, there will be excessive power loss and possible bearing failure. -
Page 13: Operation - Section C
6400 SERIES OM-07654 OPERATION - SECTION C Review all SAFETY information in Section A. Operate the motor independently while observing the direction of the motor shaft, or cooling fan. Follow the instructions on all tags, labels and decals attached to the pump. -
Page 14: Strainer Check
6400 SERIES OM-07654 BEARING TEMPERATURE CHECK Strainer Check Bearings normally run at higher than ambient tempera- If a suction strainer has been shipped with the pump tures because of heat generated by friction. Tempera- or installed by the user, check the strainer regularly, tures up to 160°F (71°C) are considered normal for bear-... -
Page 15: Troubleshooting - Section D
6400 SERIES OM-07654 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. Shut down the engine and disconnect the positive battery cable to ensure that the pump will remain inopera- tive. - Page 16 6400 SERIES OM-07654 TROUBLE POSSIBLE CAUSE PROBABLY REMEDY PUMP STOPS OR FAILS TO DE- Impeller or other wearing parts Replace worn or damaged parts worn or damaged Check that impeller is properly cen- LIVER RATED FLOW OR PRES- tered and rotates freely SURE (cont.)
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Page 17: Preventive Maintenance
6400 SERIES OM-07654 PREVENTIVE MAINTENANCE and discharge gauge readings (if so equipped) be- tween regularly scheduled inspec tions can indicate problems that can be corrected before system damage Since pump applications are seldom identical, and or catastrophic failure oc curs. The appearance of wear-... -
Page 18: Pump Maintenance And Repair - Section E
6400 SERIES OM-07654 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 6408E60-B * Based on 70°F (21°C) clear water at sea level with Contact the Gorman-Rupp Company to verify per- minimum suction lift. - Page 19 6400 SERIES OM-07654 ILLUSTRATION Figure 1. Pump Assembly 6408E60-B MAINTENANCE & REPAIR PAGE E-2...
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Page 20: Parts Lists
6400 SERIES OM-07654 PARTS LIST PUMP MODEL 6408E60-B (From S/N 1852907 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 No. - Page 21 6400 SERIES OM-07654 ILLUSTRATION SEAL AREA DETAIL Figure 2. Repair Rotating Assemblies MAINTENANCE & REPAIR PAGE E-4...
- Page 22 6400 SERIES OM-07654 PARTS LIST Repair Rotating Assemblies Item Part Name Part No. IMPELLER 38614-859 11010 1 7/8 CTG SEAL ASSY 46513-154 ADJ SHIM SET 5091 17090 O-RING 25154-026 SEAL PLATE 12350 10010 GASKET 12350G 20000 OIL SEAL S1917 PIPE PLUG...
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Page 23: Pump And Seal Disassembly And Reassembly
6400 SERIES OM-07654 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. Before attempting to open or service Follow the instructions on all tags, label and decals the pump: attached to the pump. 1. Familiarize yourself with this manual. -
Page 24: Rotating Assembly Removal
6400 SERIES OM-07654 Use Only Genuine Gorman-Rupp replace- APPROX. 6 IN. ment parts. Failure to do so may create a (152 MM) LONG hazard and damage the pump or diminish optimal pump performance. Any such hazard, damage or diminished performance is not covered by the warranty. -
Page 25: Impeller Removal
6400 SERIES OM-07654 Impeller Removal Use a pair of stiff wires with hooked ends to remove the stationary element and seat. (Figure 2) An alternate method of removing the stationary seal With the rotating assembly removed secure to floor components is to remove the hardware (15 and 16) -
Page 26: Shaft And Bearing Reassembly And Installation
6400 SERIES OM-07654 Replace the bearings, shaft, or bearing housing if the proper bearing fit is not achieved. If bearing replacement is required, remove the out- board bearing retaining ring (21) and use a bearing To prevent damage during removal from puller to remove the bearings from the shaft. -
Page 27: Seal Installation
6400 SERIES OM-07654 NOTE ing housing until the retaining ring on the outboard bearing seats against the bearing housing. Position the inboard bearing (25) on the shaft with the shielded side toward the impeller end of the shaft. Posi- tion the outboard bearing (22) on the shaft with the in- tegral retaining ring on the bearing O.D. - Page 28 6400 SERIES OM-07654 RETAINER SEAL PLATE SPRING O‐RINGS IMPELLER SLEEVE O‐RING IMPELLER SHIMS IMPELLER SHAFT INTEGRAL SHAFT ROTATING STATIONARY SLEEVE BELLOWS ELEMENT ELEMENT SHEAR RING SPRING CENTERING (SHEARED) WASHER STATIONARY DRIVE BAND SEAT FIGURE 5. Cartridge Seal Assembly If the seal plate (5) was removed, install the seal plate gasket (6).
- Page 29 6400 SERIES OM-07654 moved impeller adjusting shims to obtain the proper O‐RING ENGAGED clearance as described in Impeller Installation and WITH SEAL PLATE Adjustment. BORE If necessary to reuse an old seal in an emer gency, carefully separate the rotating and station ary seal fac- es from the bellows retainer and sta tionary seat.
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Page 30: Impeller Installation
6400 SERIES OM-07654 this installation. The I.D. of the pipe should be slightly peller washer (26) and capscrew; torque the capscrew larger than the O.D. of the shaft sleeve. to 90 ft. lbs. (1080 in. lbs. or 12,4 m. kg.). -
Page 31: Lubrication
6400 SERIES OM-07654 Bearings (Figure 2) The bearing housing was fully lubricated when shipped from the factory. Check the oil level regu larly through the sight gauge (14) and maintain it at the middle of Do not operate the pump without the the gauge. - Page 32 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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