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OM‐05670‐01 August 3, 2004 Rev. E 11‐21‐17 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER U SERIES PUMPS MODELS U6B65S‐B INCLUDING: /F THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A.
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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:...
The following are used to alert maintenance per pump. sonnel to procedures which require special atten This pump is a Super U Series, semi‐open impeller, tion, to those which could damage equipment, and self‐priming centrifugal model with a suction check to those which could be dangerous to personnel: valve.
SUPER U SERIES OM-05670 SAFETY - SECTION A This information applies to Super U Se materials and residues containing spe ries basic pumps. Gorman‐Rupp has no cified entrained solids. Do not attempt control over or particular knowledge of to pump volatile, explosive or flam...
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OM-05670 SUPER U SERIES Death or serious personal injury and This pump is designed to pump materi damage to the pump or components als which could cause serious illness or can occur if proper lifting procedures injury through direct exposure or are not observed.
SUPER U SERIES OM-05670 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...
OM-05670 SUPER U SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be Pump unit weights will vary depending on the fore shipment from the factory. Before installation, mounting and drive provided. Check the shipping inspect the pump for damage which may have oc...
SUPER U SERIES OM-05670 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...
OM-05670 SUPER U 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.
SUPER U SERIES OM-05670 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.
OM-05670 SUPER U 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.
SUPER U SERIES OM-05670 Align spider insert type couplings by using calipers ALIGNMENT to measure the dimensions on the circumference of the outer ends of the coupling hub every 90_. The alignment of the pump and its power source is The coupling is in alignment when the hub ends critical for trouble‐free mechanical operation.
OM-05670 SUPER U SERIES tems using two or more belts, make certain that the belts are a matched set; unmatched sets will cause accelerated belt wear. Do not operate the pump without the guard in place over the rotating parts exposed rotating parts can catch cloth...
OM-05670 SUPER U 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...
OM-05670 SUPER U SERIES E‐1), check the direction of power source rotation filled, adjust the throttling valve to the required flow before further troubleshooting. rate. 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 rotation.
OM-05670 SUPER U 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 cools, drain the liquid from Shut off the pump. The vacuum gauge reading will...
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OM-05670 SUPER U SERIES Temperatures up to 160_F (71_ C) are considered to operate properly. Make certain that the bearing normal for bearings, and they can operate safely to lubricant is of the proper viscosity and at the cor at least 180_F (82_ C).
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SUPER U SERIES OM-05670 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.
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OM-05670 SUPER U SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP FAILS TO Plug in threaded passage through in Tighten or install plug. PRIME (cont.) terior wall of casing loose or missing. Air leak in suction line. Correct leak. PUMP STOPS OR FAILS TO DELIVER Lining of suction hose collapsed.
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SUPER U SERIES OM-05670 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.
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OM-05670 SUPER U 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)
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OM-05670 SUPER U 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 U6B65S‐B, Including /F Based on 70_F (21_C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
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OM-05670 SUPER U SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model U6B65S-B, Including /F PAGE E - 2 MAINTENANCE & REPAIR...
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OM-05670 SUPER U SERIES PARTS LIST Pump Model U6B65S-B, Including /F (From S/N 1289655 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.
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OM-05670 SUPER U SERIES ILLUSTRATION SEAL AREA DETAIL Figure 2. Repair Rotating Assembly PAGE E - 4 MAINTENANCE & REPAIR...
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OM-05670 SUPER U SERIES PARTS LIST Repair Rotating Assembly ITEM PART PART NAME NUMBER BEARING HOUSING 38251-418 17180 IMPELLER SHAFT 38515-591 1706H BEARING CAP 38322-415 17040 SEAL PLATE 38272-408 1718H SEAL PLATE GASKET 12350G 19410 IMPELLER 38618-016 1718H IMPELLER WASHER...
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OM-05670 SUPER U SERIES PUMP AND SEAL DISASSEMBLY pump integrity are compromised by such practices. AND REASSEMBLY Review all SAFETY information in Section A. Follow the instructions on all tags, label and decals Before attempting to open or service the attached to the pump.
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SUPER U SERIES OM-05670 Remove the back cover nuts (27) and pry the back Immobilize the impeller by wedging a block wood cover and assembled wear plate from the pump between the vanes and the pump casing, and re casing (1).
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OM-05670 SUPER U SERIES factory. If the tool is used, follow the instructions impeller shaft. Support the drive end with another packed with it. If improvised tools are used, be sure set of handles, or a length of pipe (1-13/16 inch they are heavy enough for safe use and will not [46 mm] minimum I.D.), and slide the complete ro...
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SUPER U SERIES OM-05670 should be performed only in a properly‐ equipped shop by qualified personnel. Remove the bearing housing drain plug (21) and Bearings must be kept free of all dirt and drain the lubricant. Clean and reinstall the drain foreign material.
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OM-05670 SUPER U SERIES oughly filtered. Heat the bearings to a uniform temperature no higher than 250_F (120_C), and slide the bearings To prevent damage during removal from onto the shaft, one at a time, until they are fully the shaft, it is recommended that bearings seated.
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SUPER U SERIES OM-05670 Slide the shaft and assembled bearings into the Seal Installation bearing housing until the retaining ring on the out board bearing seats against the bearing housing. (Figures 2 and 6) Clean the seal cavity and shaft with a cloth soaked in fresh cleaning solvent.
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OM-05670 SUPER U SERIES RETAINER SEAL ROTATING SPRING PLATE ELEMENT O‐RINGS IMPELLER IMPELLER SHAFT IMPELLER SHIMS STATIONARY SEAT BELLOWS STATIONARY DRIVE BAND ELEMENT Figure 6. Cartridge Seal Assembly NOTE It is recommended that a tapered sleeve be installed over the threads of the impeller shaft to ease installation of the rotating seal components.
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SUPER U SERIES OM-05670 Rotating Assembly Installation (Figure 1) The shaft and impeller threads must be completely clean before reinstalling the im peller. Even the slightest amount of dirt on A repair rotating assembly is shipped dry the threads can cause the impeller to seize of lubricant.
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OM-05670 SUPER U SERIES that might interfere or prevent a good seal with the NOTE back cover. If the suction or discharge flanges were removed, replace the respective gaskets, apply `Permatex Screw the four adjusting screws (26) into the Aviation No. 3 Form‐A‐Gasket' or equivalent com...
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SUPER U SERIES OM-05670 back cover. Remove the rotating assembly adjust Remove the fill cover assembly (9) and fill the pump ing shims, then reinstall the hardware securing the casing with clean liquid. Reinstall the fill cover and rotating assembly to the pump casing. Perform the tighten it.
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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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