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C
OM0-01239-02
November 18, 2005
Rev. A 06‐14‐2013
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
0 SERIES PUMP
MODEL
03B51-B
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
Copyright by the Gorman‐Rupp Company
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Related Manuals for GORMAN-RUPP PUMPS 03B51-B
Summary of Contents for GORMAN-RUPP PUMPS 03B51-B
- Page 1 November 18, 2005 Rev. A 06‐14‐2013 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 0 SERIES PUMP MODEL 03B51-B THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by 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 ‐... - Page 4 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR ‐ SECTION E ....PAGE E - 1 STANDARD PERFORMANCE CURVE ........PAGE E - 1 PARTS LISTS: Pump End Assembly...
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Page 5: Introduction
0 SERIES OM-01239 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. cording to all national, local and industry stan Read this manual carefully to learn how to safely dards. install and operate your pump. Failure to do so The following are used to alert maintenance per could result in personal injury or damage to the sonnel to procedures which require special atten... -
Page 6: Safety - Section A
0 SERIES OM-01239 SAFETY ‐ SECTION A This information applies to 0 Series ba sic pumps. Gorman‐Rupp has no con trol over or particular knowledge of the power source which will be used. Refer to the manual accompanying the power This pump is designed to handle clear source before attempting to begin oper... - Page 7 OM-01239 0 SERIES Do not remove plates, covers, gauges, Pumps and related equipment must be in pipe plugs, or fittings from an over stalled and operated according to all na heated pump. Vapor pressure within the tional, local and industry standards. pump can cause parts being disen...
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Page 8: Installation - Section B
See Figure 1 for the approximate physical dimen some of the information such as mounting, line sions of this pump. OUTLINE DRAWING Figure 1. Pump Model 03B51-B INSTALLATION PAGE B - 1... -
Page 9: Preinstallation Inspection
OM-01239 0 SERIES PREINSTALLATION INSPECTION POSITIONING PUMP The pump assembly was inspected and tested be fore shipment from the factory. Before installation, inspect the pump for damage which may have oc curred during shipment. Check as follows: Use lifting and moving equipment in good repair and with adequate capacity a. -
Page 10: Line Configuration
0 SERIES OM-01239 compatible with the liquid being pumped. If hose is stalled with the flat part of the reducers uppermost used in suction lines, it must be the rigid‐wall, rein to avoid creating air pockets. Valves are not nor forced type to prevent collapse under suction. -
Page 11: Suction Line Positioning
OM-01239 0 SERIES If two suction lines are installed in a single sump, recommended minimum submergence vs. veloc the flow paths may interact, reducing the efficiency ity. of one or both pumps. To avoid this, position the NOTE suction inlets so that they are separated by a dis The pipe submergence required may be reduced tance equal to at least 3 times the diameter of the by installing a standard pipe increaser fitting at the... -
Page 12: Alignment
0 SERIES OM-01239 air from the top of the pump during the priming pro Coupled Drives cess. This may be accomplished by installing a by When using couplings, the axis of the power pass line from the top of the pump, back to the source must be aligned to the axis of the pump source of the liquid. -
Page 13: Drive Belts
OM-01239 0 SERIES straightedge to measure the amount of misalign Select pulleys that will match the proper speed ra ment. tio; overspeeding the pump may damage both pump and power source. Drive Belts When using drive belts, the power source and the pump must be parallel. -
Page 14: Operation - Section C
OM-01239 0 SERIES OPERATION - SECTION C Review all SAFETY information in Section A. coming liquid to evacuate the air. After the pump and piping system have completely filled, evacu Follow the instructions on all tags, labels and ate any remaining air pockets in the pump or suc decals attached to the pump. -
Page 15: Operation
OM-01239 0 SERIES Consult the operating manual furnished with the filled, adjust the throttling valve to the required flow power source before attempting to start the power rate. source. Leakage If an electric motor is used to drive the pump, re move V‐belts, couplings, or otherwise disconnect No leakage should be visible at pump mating sur... -
Page 16: Pump Vacuum Check
OM-01239 0 SERIES maximum permissible operating pressure shown Cold Weather Preservation on the pump performance curve (See Section E, In below freezing conditions, drain the pump to Page 1). prevent damage from freezing. Also, clean out any solids by flushing with a hose. Operate the pump for approximately one minute;... -
Page 17: Troubleshooting - Section D
OM-01239 0 SERIES TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this man ual. 2. Lock out or disconnect the power source to ensure that the pump will remain inoperative. - Page 18 OM-01239 0 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Impeller or other wearing parts worn Replace worn or damaged parts. PUMP STOPS OR FAILS TO DELIVER or damaged. Check that impeller is properly RATED FLOW OR centered and rotates freely. PRESSURE (cont.) Impeller clogged.
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Page 19: Preventive Maintenance
OM-01239 0 SERIES PREVENTIVE MAINTENANCE equipped) between regularly scheduled inspec 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 20 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 03B51-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 21 OM-01239 0 SERIES PARTS PAGE SECTION DRAWING Figure 1. Pump Model 03B51-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 22 0 SERIES OM-01239 PARTS LIST Pump Model 03B51-B (From S/N 1371962 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...
- Page 23 OM-01239 0 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. 5. Close the suction and discharge Review all SAFETY information in Section A. valves. Follow the instructions on all tags, label and de 6.
- Page 24 0 SERIES OM-01239 peller; tension on the seal spring will be released as the impeller is removed. Retain the impeller key (8). Remove the impeller adjusting shims (14). Tie and To prevent damage during removal from tag the shims, or measure and record their thick the shaft, it is recommended that bearings ness for ease of reassembly.
- Page 25 OM-01239 0 SERIES Shaft And Bearing Reassembly And Heat the bearings to a uniform temperature no Installation higher than 250_F (120_C), and slide the bearings onto the shaft, one at a time, until they are fully seated. This should be done quickly, in one con Clean the pedestal, shaft and all component parts tinuous motion, to prevent the bearings from cool...
- Page 26 0 SERIES OM-01239 Seal Reassembly and Installation Handle the seal parts with extreme care to prevent damage. Be careful not to contaminate precision finished faces; even fingerprints on the faces can (Figures 1 and 3) shorten seal life. If necessary, clean the faces with a non‐oil based solvent and a clean, lint‐free tissue.
- Page 27 OM-01239 0 SERIES Subassemble the rotating element into the retainer and bellows. Lubricate the I.D. of the bellows with water or light oil, and slide this subassembly over the shaft until the polished faces contact. This seal is not designed for operation at Install the seal spring and spring centering washer temperatures above 160_F (71_C).
- Page 28 0 SERIES OM-01239 pound to the face of the vane plate, between the LUBRICATION vane plate and seal plate. Position the vane plate over the impeller and secure it with the hardware (4 Seal Assembly and 5). The seal assembly is lubricated by the medium be ing pumped and no additional lubrication is re...
- Page 29 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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