Related Manuals for GORMAN-RUPP PUMPS 84B2-B
Summary of Contents for GORMAN-RUPP PUMPS 84B2-B
- Page 1 OM-00930-02 February 26, 1980 Rev. E 05‐30‐18 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 84B2-B GORMAN‐RUPP PUMPS www.grpumps.com 2014 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:...
-
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...
-
Page 5: Introduction
80 SERIES OM-00930 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
80 SERIES OM-00930 SAFETY ‐ SECTION A This information applies to 80 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 most to the manual accompanying the power non‐volatile, non‐flammable... - Page 7 OM-00930 80 SERIES drive shaft, belts, and/or couplings, or 5. Vent the pump slowly and cau other rotating parts. Exposed rotating tiously. parts can catch clothing, fingers, or 6. Refer to instructions in this manual tools, causing severe injury to person before restarting the pump.
-
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 84B2-B PREINSTALLATION INSPECTION b. Check for and tighten loose attaching hard ware. Since gaskets tend to shrink after dry... -
Page 9: Positioning Pump
OM-00930 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-00930 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-00930 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-00930 of the outer ends of the coupling hub every 90 ALIGNMENT The coupling is in alignment when the hub ends are the same distance apart at all points (see Fig The alignment of the pump and its power source is ure 3A). -
Page 13: V-Belt Tensioning
OM-00930 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-00930 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-00930 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 &...
-
Page 16: Operation - Section C
OM-00930 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-00930 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-00930 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-00930 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-00930 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: Preventive Maintenance
80 SERIES OM-00930 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 22 80 SERIES 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 84B2-B Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 23 OM-00930 80 SERIES ILLUSTRATION PARTS PAGE Figure 1. Pump Model 84B2-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 24 OM-00930 80 SERIES PARTS LIST Pump Model 84B2‐B (From S/N 667409 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 PART ITEM PART NAME...
- Page 25 80 SERIES OM-00930 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. Before attempting to open or service the Follow the instructions on all tags, label and de pump: cals attached to the pump. 1. Familiarize yourself with this man This pump requires little service due to its rugged, ual.
- Page 26 OM-00930 80 SERIES Impeller Removal Before removing the impeller, screw the cross arm Use Only Genuine Gorman-Rupp re on the automatic lubricating grease cup (37) clock placement parts. Failure to do so may cre wise until it rests against the cover (see Figure 4) to ate a hazard and damage the pump or di...
- Page 27 80 SERIES OM-00930 Unscrew the impeller from the shaft. Use caution Use snap ring pliers to remove the bearing retain when removing the impeller; tension on the seal ing ring (9) from the pedestal bore. Remove the spring will be released as the impeller is un bearing shim set (10);...
- Page 28 OM-00930 80 SERIES Clean the bearings thoroughly in fresh cleaning NOTE solvent. Dry the bearings with filtered compressed If a hot oil bath is used to heat the bearings, both the oil and the container must be absolutely clean. If air and coat with light oil.
- Page 29 80 SERIES OM-00930 the bearing bore, push against the outer race. Never hit the balls or ball cage. Position the oil seal (17) in the bearing cap (14) with the lip positioned as shown in Figure 1. Press the Most cleaning solvents are toxic and oil seal into the bearing cap until fully seated.
- Page 30 OM-00930 80 SERIES SEAL LINER SEAL PLATE SPRING ROTATING ELEMENT IMPELLER STATIONARY WASHERS IMPELLER SHAFT IMPELLER SPACER SHIMS SLEEVE SPACER WASHER ROTATING ELEMENT STATIONARY STATIONARY SEAT SEAT PACKING RINGS Figure 3. Seal Assembly Before installing the seal, lubricate the seal liner with water or a very small amount of oil, and apply a drop of light lubricating oil on the finished faces.
- Page 31 80 SERIES OM-00930 Subassemble the outboard stationary seat, pack cure the pump casing to the seal plate and pedes ing ring and stationary washer. Press this unit into tal with the nuts (16). the lubricated seal liner. Install the outboard rotat ing element with the chamfered side toward the impeller.
- Page 32 OM-00930 80 SERIES LUBRICATION capes from the relief hole. Turn the grease cup arm counterclockwise until it is at the top of the stem; this will release the spring to apply grease to the Seal Assembly seal (see Figure 4). Fill the grease cup (37) through the grease fitting with No.
- Page 33 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...
Need help?
Do you have a question about the 84B2-B and is the answer not in the manual?
Questions and answers