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Summary of Contents for GORMAN-RUPP PUMPS 03A52-B
- Page 1 OM‐01177‐03 November 18, 2005 Rev. D 08‐28‐2020 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 0 SERIES PUMP MODEL 03A52-B GORMAN‐RUPP PUMPS www.grpumps.com 2005 Gorman‐Rupp Pumps Printed in U.S.A.
- 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-01177 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-01177 SAFETY ‐ SECTION A This information applies to 0 Series ba 6. Vent the pump slowly and cau sic pumps. Gorman‐Rupp has no con tiously. trol over or particular knowledge of the 7. Drain the pump. power source which will be used. Refer to the manual accompanying the power source before attempting to begin oper... - Page 7 OM-01177 0 SERIES low the pump to completely cool before servicing. Do not remove plates, covers, gauges, pipe plugs, or fittings from an over heated pump. Vapor pressure within the Pumps and related equipment must be in pump can cause parts being disen stalled and operated according to all na...
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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 03A52-B INSTALLATION PAGE B - 1... -
Page 9: Preinstallation Inspection
OM-01177 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-01177 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-01177 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-01177 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-01177 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-01177 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-01177 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-01177 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-01177 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-01177 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-01177 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
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 03A52-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per... -
Page 21: Section Drawing
OM-01177 0 SERIES PARTS PAGE SECTION DRAWING Figure 1. Pump Model 03A52-B PAGE E - 2 MAINTENANCE & REPAIR... -
Page 22: Parts List
0 SERIES OM-01177 PARTS LIST Pump Model 03A52-B (From S/N 1327255 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 23: Pump And Seal Disassembly And Reassembly
OM-01177 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-01177 Impeller Removal cap (31) and oil seal (15) off the shaft. Press the oil seal from the bearing cap. To remove the impeller (2), block impeller rotation Disengage the hardware (24 and 25) and slide the and disengage the hardware (37, 38 and 39). In assembled bearing cap (19) and oil seal (22) off the stall 3/8-16 UNC by 4‐inch long capscrews in the shaft.
- Page 25 OM-01177 0 SERIES races and cause premature bearing fail ure. Rotate the bearings by hand to check for rough To prevent damage during removal from ness or binding and inspect the bearing balls. If ro the shaft, it is recommended that bearings tation is rough or the bearing balls are discolored, be cleaned and inspected in place.
- Page 26 0 SERIES OM-01177 until the inboard bearing seats against the inboard flammable. Use them only in a well ven bearing cap. Use caution not to roll or cut the lip of tilated area free from excessive heat, the oil seal (15). sparks, and flame.
- Page 27 OM-01177 0 SERIES RETAINER ROTATING ELEMENT SPRING O‐RING STATIONARY SEAT IMPELLER IMPELLER SHAFT IMPELLER SHAFT ADJUSTING SLEEVE SHIMS SEAL PLATE BELLOWS Figure 2. Seal Assembly sleeve until the seal face is just flush with the under cut end of the sleeve. Slide the assembled shaft sleeve and rotating por...
- Page 28 0 SERIES OM-01177 Step 1 Step 2 Step 3 Figure 3. Centering Impeller Within Volute Scroll Install the correct thickness of impeller shims and Final Pump Assembly install the impeller key (20) in the shaft keyway. Be sure the pump and power source are securely Align the impeller keyway with the key and slide the mounted to the base.
- Page 29 OM-01177 0 SERIES add SAE No. 30 non‐detergent oil through the hole tinuously or installed in an environment with rapid for the air vent (16). Do not over‐lubricate. Over‐lu temperature change. brication can cause the bearings to over‐heat, re sulting in premature bearing failure. NOTE Monitor the condition of the bearing lubri...
- Page 30 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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