GORMAN-RUPP PUMPS 10 Series Installation, Operation And Maintenance Manual
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- Page 1 OM-02148-02 June 12, 2006 Rev. B 06‐29‐16 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 10 SERIES PUMP MODEL 12B64-B GORMAN‐RUPP PUMPS www.grpumps.com 2006 Gorman‐Rupp Pumps 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 ‐... - Page 4 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR ‐ SECTION E ....PAGE E - 1 STANDARD PERFORMANCE CURVE ........PAGE E - 1 PARTS LIST: Pump Model...
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Page 5: Introduction
10 SERIES OM-02148 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
10 SERIES OM-02148 SAFETY ‐ SECTION A This information applies to 10 Series ba sic pumps. Gorman‐Rupp has no con trol over or particular knowledge of the power source which will be used. Refer This pump is designed to handle corro... - Page 7 OM-02148 10 SERIES move plates, covers, gauges, or fittings fumes. Use extreme caution when vent from an over‐heated pump. Liquid with ing the pump, or when removing covers, in the pump can reach boiling tempera plates, plugs, or fittings. tures, and vapor pressure within the pump can cause parts being disen...
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Page 8: Installation - Section B
10 SERIES OM-02148 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 the... -
Page 9: Positioning Pump
OM-02148 10 SERIES c. Carefully read all tags, decals, and markings damaged if the chains or cables used to lift on the pump assembly, and perform all duties and move the unit are improperly wrapped indicated. Note that the pump shaft rotates in around the pump. -
Page 10: Gauges
10 SERIES OM-02148 Lines near the pump must be independently sup three or four times the cross section of the suction ported to avoid strain on the pump which could line, and that the openings will not permit passage cause excessive vibration, decreased bearing life, of solids larger than the solids handling capability and increased shaft and seal wear. -
Page 11: Discharge Lines
OM-02148 10 SERIES reduce the inlet velocity. Calculate the required NOTE submergence using the following formula based The pipe submergence required may be reduced on the increased opening size (area or diameter). by installing a standard pipe increaser fitting at the end of the suction line. -
Page 12: Automatic Air Release Valve
10 SERIES OM-02148 tween the pump discharge and the check valve. A self‐priming centrifugal pump will not prime if there is sufficient static liquid head to hold the dis charge check valve closed. Except in certain specific applications (to NOTE prevent flooding during service of an auto... -
Page 13: Alignment
OM-02148 10 SERIES tion. Check each procedure after altering alignment. Coupled Drives Some leakage (1 to 5 gallons [3.8 to 19 liters] per minute) will occur when the When using couplings, the axis of the power valve is fully closed. Be sure the bypass... -
Page 14: V-Belt Drives
10 SERIES OM-02148 side. When the straightedge rests evenly on both Tighten the belts in accordance with the belt manu halves of the coupling, the coupling is in horizontal facturer's instructions. If the belts are too loose, parallel alignment. If the coupling is misaligned, they will slip;... -
Page 15: Operation - Section C
OM-02148 10 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 first time. -
Page 16: Operation
OM-02148 10 SERIES Consult the operating manual furnished with the Leakage pump power source before attempting to start the No leakage should be visible at pump mating sur power source. faces, or at pump connections or fittings. Keep all line connections and fittings tight to maintain maxi... -
Page 17: Stopping
OM-02148 10 SERIES Block the suction line and start the pump. At oper for approximately one minute; this will remove any ating speed the pump should pull a vacuum of 20 remaining liquid that could freeze the pump rotat inches (508,0 mm) or more of mercury. If it does ing parts. -
Page 18: Troubleshooting - Section D
10 SERIES OM-02148 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 or lock out the power source to ensure that the pump will remain inoperative. - Page 19 OM-02148 10 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Leaking or worn seal or pump gasket. Check pump vacuum. Replace FAILS TO DELIVER leaking or worn seal or gasket. RATED FLOW OR Impeller clogged. Free impeller of debris.
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Page 20: Preventive Maintenance
10 SERIES OM-02148 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 21 10 SERIES OM-02148 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 12B64-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 22 OM-02148 10 SERIES PARTS PAGE SECTION DRAWING Figure E-1. Pump Model 12B64-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 23 10 SERIES OM-02148 PARTS LIST Pump Model 12B64-B (From S/N 1373729 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...
- Page 24 OM-02148 10 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before AND REASSEMBLY opening any covers, plates, or plugs. Review all SAFETY information in Section A. 5. Close the suction and discharge valves. Follow the instructions on all tags, label and de...
- Page 25 10 SERIES OM-02148 It is not necessary to remove the suction flange Turn (55) unless replacement of the flange, gaskets (57 Counterclockwise and 58) or check valve seat (56) is required. To re move the suction flange, remove the nuts (48).
- Page 26 OM-02148 10 SERIES If no further disassembly is required, see Seal Reassembly and Installation. To prevent damage during removal from Shaft and Bearing Removal and Disassembly the shaft, it is recommended that bearings be cleaned and inspected in place. It is When the pump is properly operated and main...
- Page 27 10 SERIES OM-02148 If bearing replacement is required, use a bearing puller or an arbor (or hydraulic) press to remove the bearings from the shaft. When installing the bearings onto the Press the inboard oil seal (27) from the pedestal shaft, never press or hit against the outer bore.
- Page 28 OM-02148 10 SERIES Lubricate the pedestal as indicated in LUBRICA gency, carefully wash all metallic parts in fresh TION at the end of this section. cleaning solvent and allow to dry thoroughly. Handle the seal parts with extreme care to prevent Seal Reassembly and Installation damage.
- Page 29 10 SERIES OM-02148 SEAL PLATE SPRING CENTERING WASHER BELLOWS RETAINER IMPELLER SHIMS STATIONARY SEAT STATIONARY ELEMENT IMPELLER SHAFT SHAFT SLEEVE IMPELLER ROTATING ELEMENT O‐RINGS SPRING Figure E-3. Seal Assembly nuts (3/8-16 UNC by 1-1/2 inches long, not supplied). Lubricate the shaft sleeve (59) with light oil and...
- Page 30 OM-02148 10 SERIES A clearance of .020 to .040 inch (0,51 to 1,02 mm) Reach through the back cover opening and hang between the impeller and the seal plate is neces the check valve on the hooks on the valve seat (56) sary for maximum pump efficiency.
- Page 31 10 SERIES OM-02148 Be sure the pump and power source have been brication can cause the bearings to over‐heat, re properly lubricated, see LUBRICATION. sulting in premature bearing failure. Under normal conditions, drain the pedestal once Remove the fill plug assembly (5) and fill the pump each year and refill with clean oil to the middle of casing with clean liquid.
- 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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