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ABCDE
COM‐00881‐02
November 18, 2005
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMP
MODEL
83A52-B
THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO
www.gormanrupp.com
D
GORMAN‐RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in Canada.
e
Copyright by the Gorman‐Rupp Company
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Summary of Contents for GORMAN-RUPP PUMPS 83A52-B
- Page 1 COM‐00881‐02 November 18, 2005 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 83A52-B THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.gormanrupp.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in Canada. Copyright by the Gorman‐Rupp Company...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐... - Page 4 TABLE OF CONTENTS (continued) TROUBLESHOOTING - SECTION D ......PAGE D - 1 PREVENTIVE MAINTENANCE .
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Page 5: Introduction
80 SERIES OM-00881 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 7: Safety - Section A
80 SERIES OM-00881 SAFETY ‐ SECTION A This information applies to 80 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 8 OM-00881 80 SERIES unit and the National Electric Code or closed discharge valve for long periods the applicable local code, the National of time. If operated against a closed dis or local code shall take precedence. charge valve, pump components will deteriorate, and the liquid could come to a boil, build pressure, and cause the pump casing to rupture or explode.
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Page 9: Installation - Section B
See Figure 1 and 2 for the approximate physical di configuration, and priming must be tailored to the mensions of this pump. OUTLINE DRAWING Figure 1. Pump Model 83A52-B INSTALLATION PAGE B - 1... -
Page 10: Preinstallation Inspection
OM-00881 80 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 Use lifting and moving equipment in curred during shipment. Check as follows: good repair and with adequate capacity to prevent injuries to personnel or dam... -
Page 11: Line Configuration
80 SERIES OM-00881 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 inlet. -
Page 12: Suction Line Positioning
OM-00881 80 SERIES suction inlet at a distance 1‐1/2 times the diameter critical to efficient pump operation. Figure 2 shows of the suction pipe. The baffle will allow entrained recommended minimum submergence vs. veloc air to escape from the liquid before it is drawn into ity. -
Page 13: Bypass Lines
80 SERIES OM-00881 É If the application involves a high discharge É É head, gradually close the discharge throttling valve before stopping the pump. Bypass Lines Figure 4. Valve in Closed Position If a system check valve is used due to high dis charge head, it may be necessary to vent trapped air from the top of the pump during the priming When the pump is fully primed, pressure resulting... -
Page 14: Air Release Valve Installation
OM-00881 80 SERIES Air Release Valve Installation NOTE If the Air Release Valve is to be installed on a staged The Automatic Air Release Valve must be inde pump application, position the air release valve as pendently mounted in a horizontal position and close as possible to the discharge check valve. -
Page 15: Coupled Drives
80 SERIES OM-00881 of the pump. When mounted at the Gorman‐Rupp factory, driver and pump are aligned before shipment. Misalign ment will occur in transit and handling. Pumps must be checked and realigned before operation. Before checking alignment, tighten the foundation bolts. -
Page 16: Drive Belt Tensioning
OM-00881 80 SERIES belts are a matched set; unmatched sets will cause DRIVE BELT TENSIONING accelerated belt wear. General Rules of Tensioning For new drive belts, check the tension after 5, 20 and 50 hours of operation and re‐tension as re quired (see the following procedure for measuring belt tension). -
Page 17: Operation - Section C
OM-00881 80 SERIES OPERATION - SECTION C Review all SAFETY information in Section A. PRIMING Follow the instructions on all tags, labels and Install the pump and piping as described in IN decals attached to the pump. STALLATION. Make sure that the piping connec tions are tight, and that the pump is securely mounted. -
Page 18: Starting
OM-00881 80 SERIES STARTING OPERATION Lines With a Bypass Consult the operations manual furnished with the power source. Close the discharge throttling valve (if so equipped) so that the pump will not have to prime If the pump has been approved for use with petro against the weight of the liquid in the discharge line. -
Page 19: Strainer Check
OM-00881 80 SERIES boil, build pressure, and cause the pump to rup lift, and should then stabilize. If the vacuum reading ture or explode. If overheating occurs, stop the falls off rapidly after stabilization, an air leak exists. pump and allow it to completely cool before servic Before checking for the source of the leak, check the point of installation of the vacuum gauge. - Page 20 OM-00881 80 SERIES curately by placing a contact‐type thermometer rect level (see LUBRICATION in Section E). Bear against the housing. Record this temperature for ing overheating can also be caused by shaft future reference. misalignment and/or excessive vibration. A sudden increase in bearing temperatures is a When pumps are first started, the bearings may warning that the bearings are at the point of failing seem to run at temperatures above normal.
- Page 21 80 SERIES OM-00881 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 22 OM-00881 80 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.
- Page 23 80 SERIES OM-00881 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 25 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 83A52-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 26 OM-00881 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 83A52-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 27 OM-00881 80 SERIES PARTS LIST Pump Model 83A52-B (From S/N 1332148 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 28 OM-00881 80 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. 6. Vent the pump slowly and cau Follow the instructions on all tags, label and de...
- Page 29 80 SERIES OM-00881 Pump Casing Removal heavy bar stock to pry against the arm of the lathe dog in a counterclockwise direction (when facing To service the impeller (2), wear plate assembly the drive end of the shaft) as shown in Figure 2. (34) and seal assembly (3), disconnect the dis...
- Page 30 OM-00881 80 SERIES If no further disassembly is required, see Seal Reassembly and Installation. Shaft And Bearing Removal And Disassembly To prevent damage during removal from the shaft, it is recommended that bearings When the pump is properly operated and main be cleaned and inspected in place.
- Page 31 80 SERIES OM-00881 Replace the bearings, shaft, or pedestal if the out of position in shrinking. If movement has oc proper bearing fit is not achieved. curred, use a suitably sized sleeve and a press to reposition the bearings. If bearing replacement is required, use a bearing puller to remove the inboard and outboard bear...
- Page 32 OM-00881 80 SERIES Install the slinger ring (27) and shaft key (20). Install Handle the seal parts with extreme care to prevent any leveling shims used under the pedestal feet. damage. Be careful not to contaminate precision finished faces; even fingerprints on the faces can shorten seal life.
- Page 33 80 SERIES OM-00881 ROTATING O‐RING ELEMENT SPRING STATIONARY IMPELLER SEAT IMPELLER IMPELLER SHAFT ADJUSTING SHIMS SHAFT SLEEVE SEAL PLATE SPRING SEAT RETAINER BELLOWS Figure 3. 25285-854 Seal Assembly Slide the assembled seal and shaft sleeve onto the shaft until the seal faces contact. Continue to push the sleeve through the seal until the chamfered end seats firmly against the shaft shoulder.
- Page 34 OM-00881 80 SERIES After the back clearance is set, secure the impeller 45) to the check valve gasket (44) with the hard with the hardware (31, 32 and 33). ware (46 and 47). Position the check valve assembly in the suction Pump Casing Installation port with the large weight (45) facing toward the in...
- Page 35 80 SERIES OM-00881 NOTE cant regularly for evidence of rust or mois ture condensation. This is especially im The white reflector in the sight gauge must be posi portant in areas where variable hot and tioned horizontally to provide proper drainage. cold temperatures are common.
- Page 38 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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