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BC
OM‐01182‐01
May 26, 1981
Rev. B 06‐14‐2013
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
0 SERIES PUMP
MODEL
03B31-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
2009 The Gorman‐Rupp Company
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Related Manuals for GORMAN-RUPP PUMPS 03B31-B
Summary of Contents for GORMAN-RUPP PUMPS 03B31-B
- Page 1 May 26, 1981 Rev. B 06‐14‐2013 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 0 SERIES PUMP MODEL 03B31-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. 2009 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 LIST: Pump Model...
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Page 5: Introduction
0 SERIES OM-01182 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. The following are used to alert maintenance per Read this manual carefully to learn how to safely sonnel to procedures which require special atten install and operate your pump. Failure to do so tion, to those which could damage equipment, and could result in personal injury or damage to the to those which could be dangerous to personnel:... -
Page 6: Safety - Section A
0 SERIES OM-01182 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 This pump is designed to handle petro to the manual accompanying the power leum products or other clean liquids source before attempting to begin oper... - Page 7 OM-01182 0 SERIES National Electric Code and all local parts can catch clothing, fingers, or codes. If there is a conflict between the tools, causing severe injury to person instructions in the manual accompany nel. ing the unit and the National Electric Code or the applicable local code, the National or local code shall take precedence.
- Page 8 0 SERIES OM-01182 Pumps and related equipment must be installed and operated according to all national, local and industry standards. SAFETY PAGE A - 3...
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Page 9: 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 03B31-B PREINSTALLATION INSPECTION b. Check for and tighten loose attaching hard ware. Since gaskets tend to shrink after dry... -
Page 10: Positioning Pump
OM-01182 0 SERIES AND REPAIR section of this manual and per The pump may have to be supported or shimmed form duties as instructed. to provide for level operation or to eliminate vibra tion. e. If the pump and engine have been stored for SUCTION AND DISCHARGE PIPING more than 12 months, some of the compo... -
Page 11: Suction Lines
0 SERIES OM-01182 ommendations when selecting and applying the SUCTION LINES pipe dope. The pipe dope should be compatible with the liquid being pumped. To avoid air pockets which could affect pump prim ing, the suction line must be as short and direct as Suction Lines In Sumps possible. -
Page 12: Discharge Lines
OM-01182 0 SERIES Figure 2. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES head, gradually close the discharge throttling valve before stopping the pump. Siphoning ALIGNMENT Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a si The alignment of the pump and its power source is phon breaker is used in the line. -
Page 13: Coupled Drives
0 SERIES OM-01182 When checking alignment, disconnect the power source to ensure that the pump will remain inoperative. Figure 3B. Aligning Non‐Spider Type Couplings Adjusting the alignment in one direction Align non‐spider type couplings by using a feeler may alter the alignment in another direc gauge or taper gauge between the coupling halves tion. -
Page 14: Drive Belt Tensioning
OM-01182 0 SERIES Tighten the belts in accordance with the belt manu Ideal drive belt tension is the lowest tension at facturer's instructions. If the belts are too loose, which the belt will not slip under peak load condi they will slip; if the belts are too tight, there will be tions. -
Page 15: Operation - Section C
OM-01182 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 16: Operation
OM-01182 0 SERIES literature supplied with the motor for specific in Overheating can occur if operated with the valves structions. in the suction or discharge lines closed. Operating against closed valves could bring the liquid to a boil, build pressure, and cause the pump to rup OPERATION ture or explode. -
Page 17: Stopping
OM-01182 0 SERIES Before checking for the source of the leak, check Checking bearing temperatures by hand is inaccu the point of installation of the vacuum gauge. rate. Bearing temperatures can be measured ac curately by placing a contact‐type thermometer against the housing. -
Page 18: Troubleshooting - Section D
OM-01182 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 manual. 2. Disconnect or lock out the power source to ensure that the pump will remain inoperative. - Page 19 OM-01182 0 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Suction intake not submerged at Check installation and correct FAILS TO DELIVER proper level or sump too small. submergence as needed. RATED FLOW OR Impeller or other wearing parts worn Replace worn or damaged parts.
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Page 20: Preventive Maintenance
OM-01182 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 21 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 03B31-B Based on 70_ F (21_ C) clear water (corrected to Contact the Gorman‐Rupp Company to verify per...
- Page 22 OM-01182 0 SERIES SECTION DRAWING PARTS PAGE Figure 1. 03B31-B Pump Model Assembly PAGE E - 2 MAINTENANCE & REPAIR...
- Page 23 0 SERIES OM-01182 PARTS LIST Pump Model 03B31-B (From S/N 594101 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 24 OM-01182 0 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. Review all SAFETY information in Section A. 5. Close the suction and discharge valves. Follow the instructions on all tags, label and de 6.
- Page 25 0 SERIES OM-01182 Immobilize the impeller by inserting a bar between Place a block of wood against the impeller end of the impeller vanes, being careful not to damage the shaft (11) and tap the shaft and assembled the vanes. Remove the impeller capscrew (26), bearings (18 and 20) from the bearing bore.
- Page 26 OM-01182 0 SERIES Replace the bearings, shaft, or pedestal if the proper bearing fit is not achieved. If bearing replacement is required, use a suitable Use caution when handling hot bear puller or an arbor (or hydraulic) press to remove ings to prevent burns.
- Page 27 0 SERIES OM-01182 Lubricate the pedestal as described in LUBRICA gency, carefully wash all metallic parts in fresh TION at the end of this section before putting the cleaning solvent and allow to dry thoroughly. pump back into service. Handle the seal parts with extreme care to prevent damage.
- Page 28 OM-01182 0 SERIES Subassemble the rotating element into the retainer and bellows. Lubricate the I.D. of the bellows with water and slide this subassembly onto the shaft until the polished faces contact. Install the seal spring and spring centering washer (15). This seal is not designed for operation at temperatures above 160_F (71_C).
- Page 29 0 SERIES OM-01182 Pump Reassembly the vented plug (8) and add one shot of No. 0 lithi um base grease from a grease gun after each 250 Install the seal ring (28) onto the shoulder inside hours of operation or once each month, whichever the pump casing (1).
- Page 30 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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