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- Page 1 OM-00868-04 February 10, 1995 Rev. C 11‐12‐14 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 83B2‐B GORMAN‐RUPP PUMPS www.grpumps.com 1995 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) PARTS LIST: Pump Model ............PAGE E - 3 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY .
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Page 5: Introduction
80 SERIES OM-00868 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
80 SERIES OM-00868 SAFETY ‐ SECTION A This information applies to 80 Series ba non‐volatile, non‐flammable liquids sic pumps. Gorman‐Rupp has no con containing specified entrained solids. trol over or particular knowledge of the Do not attempt to pump liquids for power source which will be used. - Page 7 OM-00868 80 SERIES 6. Refer to instructions in this manual before restarting the pump. Do not operate the pump against a closed discharge valve for long periods of time. If operated against a closed dis Do not remove plates, covers, gauges, charge valve, pump components will pipe plugs, or fittings from an over...
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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 83B2-B PREINSTALLATION INSPECTION b. Check for and tighten loose attaching hard ware. Since gaskets tend to shrink after dry... -
Page 9: Positioning Pump
OM-00868 80 SERIES Lifting Pump unit weights will vary depending on the mounting and drive provided. Check the shipping tag on the unit packaging for the actual weight, and Only operate this pump in the direction in use lifting equipment with appropriate capacity. dicated by the arrow on the pump body Drain the pump and remove all customer‐installed and on the accompanying decal. -
Page 10: Gauges
80 SERIES OM-00868 place by tightening the flange bolts and/or cou total area of the openings in the strainer is at least plings. three or four times the cross section of the suction line, and that the openings will not permit passage Lines near the pump must be independently sup... -
Page 11: Discharge Lines
OM-00868 80 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: Alignment
80 SERIES OM-00868 of the outer ends of the coupling hub every 90 de ALIGNMENT grees. The coupling is in alignment when the hub ends are the same distance apart at all points (see The alignment of the pump and its power source is Figure 3A). - Page 13 OM-00868 80 SERIES the belts are a matched set; unmatched sets will en both v‐belt and bearing life. Under‐tensioning cause accelerated belt wear. will cause belt slippage. Always keep belts free from dirt, grease, oil and other foreign material which may cause slippage. Tension Measurement Correct v‐belt tension can be achieved using a v‐...
- Page 14 80 SERIES OM-00868 er at the measured belt span. Set the small O‐ring Read the force applied from the bottom of the small on the deflection force scale to zero. O‐ring on the deflection force scale. Compare this force with the value shown in Table 1 or 2 and ad Place the tension tester squarely on the belt at the just the tension accordingly.
- Page 15 OM-00868 80 SERIES Table 1. Sheave Diameter (Inches) Table 2. Sheave Diameter (Millimeters) Deflection Force (Lbs.) Deflection Force (KG.) Belt Deflection Force Belt Deflection Force Uncogged Cogged Uncogged Cogged Hy‐T Belts & Torque‐Flex Hy‐T Belts & Torque‐Flex Uncogged & Machined Uncogged &...
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Page 16: Operation - Section C
OM-00868 80 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. decals attached to the pump. -
Page 17: Operation
OM-00868 80 SERIES sprinkler heads, and any other fixtures connected from the shaft and seriously damage the to the line. When the discharge line is completely pump. filled, adjust the throttling valve to the required flow Consult the operating manual furnished with the rate. -
Page 18: Pump Vacuum Check
OM-00868 80 SERIES equipment. If backflushing is absolutely neces Cold Weather Preservation sary, liquid pressure must be limited to 50% of the In below freezing conditions, drain the pump to maximum permissible operating pressure shown prevent damage from freezing. Also, clean out any on the pump performance curve (see Section E, solids by flushing with a hose. -
Page 19: Troubleshooting - Section D
80 SERIES OM-00868 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 20 OM-00868 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 21 80 SERIES OM-00868 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.
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Page 22: 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 83B2-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per... - Page 23 OM-00868 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 83B2-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 24 OM-00868 80 SERIES PARTS LIST Pump Model 83B2-B (From S/N 1063841 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 25 OM-00868 80 SERIES PUMP AND SEAL DISASSEMBLY good working condition and of suffi cient capacity and that they are posi AND REASSEMBLY tioned so that loads will be balanced Review all SAFETY information in Section A. and the pump or components will not be damaged when lifting.
- Page 26 80 SERIES OM-00868 dividual components only. Additional Turn weight may result in damage to the Counterclockwise pump or failure of the eye bolt. Remove the gasket set from the pedestal and seal plate. Tie and tag the gaskets, or measure and re cord their thickness for ease of reassembly.
- Page 27 OM-00868 80 SERIES (36) and does not normally require replacement. If replacement is required, see Seal Installation. Shaft And Bearing Removal And Disassembly To prevent damage during removal from When the pump is properly operated and main the shaft, it is recommended that bearings tained, the pedestal should not require disassem...
- Page 28 80 SERIES OM-00868 If bearing replacement is required, use a bearing If heating the bearings is not practical, use a suit puller to remove the inboard and outboard bear able sized sleeve and an arbor (or hydraulic) press ings from the impeller shaft. to install the bearings on the shaft.
- Page 29 OM-00868 80 SERIES Seal Reassembly and Installation Handle the seal parts with extreme care to prevent damage. Be careful not to contaminate precision (Figures 1 and 3) finished faces; even fingerprints on the faces can shorten seal life. If necessary, clean the faces with a non‐oil based solvent and a clean, lint‐free tissue.
- Page 30 80 SERIES OM-00868 indicated in LUBRICATION, after the impeller has been installed. Impeller Installation This seal is not designed for operation at Inspect the impeller, and replace it if cracked or temperatures above 110_F (43_C). Do not badly worn. Install the same thickness of impeller use at higher operating temperatures.
- Page 31 OM-00868 80 SERIES Install the suction and discharge lines and open all valves. Make certain that all piping connections are tight, properly supported and secure. Do not attempt to lift the complete pump If a lifting eye was used to move the pump casing, unit using the lifting eye.
- Page 32 80 SERIES OM-00868 Bearings Monitor the condition of the bearing lubri The pedestal was fully lubricated when shipped cant regularly for evidence of rust or mois from the factory. Check the oil level regularly ture condensation. This is especially im through the sight gauge (31) and maintain it at the portant in areas where variable hot and middle of the gauge.
- Page 33 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 GORMAN‐RUPP PUMPS...
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