Related Manuals for GORMAN-RUPP PUMPS 88B2-B
Summary of Contents for GORMAN-RUPP PUMPS 88B2-B
- Page 1 OM‐00985‐02 March 7, 1985 Rev. C 12‐01‐17 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 88B2‐B GORMAN‐RUPP PUMPS www.grpumps.com 1985 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) PREVENTIVE MAINTENANCE ..........PAGE D -3 PUMP MAINTENANCE AND REPAIR - SECTION E .
-
Page 5: Introduction
80 SERIES OM-00985 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-00985 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-00985 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 88B2-B PREINSTALLATION INSPECTION b. Check for and tighten loose attaching hard ware. Since gaskets tend to shrink after dry... -
Page 9: Positioning Pump
OM-00985 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: Connections To Pump
80 SERIES OM-00985 mum use of elbows and fittings, which substan Strainers tially increase friction loss. If elbows are necessary, If a strainer is furnished with the pump, be certain use the long‐radius type to minimize friction loss. to use it; any spherical solids which pass through a strainer furnished with the pump will also pass Connections to Pump through the pump itself. -
Page 11: Suction Line Positioning
OM-00985 80 SERIES tance equal to at least 3 times the diameter of the NOTE suction pipe. The pipe submergence required may be reduced by installing a standard pipe increaser fitting at the Suction Line Positioning end of the suction line. The larger opening size will reduce the inlet velocity. -
Page 12: Alignment
80 SERIES OM-00985 air from the top of the pump during the priming Coupled Drives process. This may be accomplished by installing a When using couplings, the axis of the power bypass line from the top of the pump, back to the source must be aligned to the axis of the pump source of liquid. -
Page 13: V-Belt Drives
OM-00985 80 SERIES straightedge to measure the amount of misalign V‐BELT TENSIONING ment. General Rules of Tensioning V‐Belt Drives For new v‐belts, check the tension after 5, 20 and 50 hours of operation and re‐tension as required (see the following procedure for measuring belt When using V‐belt drives, the power source and tension). - Page 14 80 SERIES OM-00985 the smallest sheave diameter is 8 inches, the pump Place the tension tester squarely on the belt at the speed is 1250 RPM, and the belts are uncogged center of the belt span. Apply force on the plunger, Yy‐T type, then 11.5 lbs.
- Page 15 OM-00985 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-00985 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-00985 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-00985 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-00985 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-00985 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-00985 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 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 88B2-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 23 80 SERIES OM-00985 SECTION DRAWING PARTS PAGE Figure 1. Pump Model 88B2-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 24 OM-00985 80 SERIES PARTS LIST Pump Model 88B2‐B (From S/N 818301 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-00985 PUMP AND SEAL DISASSEMBLY 1. Familiarize yourself with this man ual. AND REASSEMBLY 2. Lock out or disconnect the power source to ensure that the pump will Review all SAFETY information in Section A. remain inoperative. 3. Allow the pump to completely cool Follow the instructions on all tags, label and de...
- Page 26 OM-00985 80 SERIES (56 and 57) and separate the check valve gasket Turn (54) and weights (53 and 55). Counterclockwise Pump Casing and Wear Plate Removal Lathe Dog Arm To service the wear plate (39), remove the nuts (38) “V” Notch securing the pump casing to the seal plate (10) and Heavy Shaft Key...
- Page 27 80 SERIES OM-00985 be replaced any time the shaft and bear ings are removed. Clean the pedestal, shaft and all component parts Shaft and bearing disassembly in the field (except the bearings) with a soft cloth soaked in is not recommended. these operations cleaning solvent.
- Page 28 OM-00985 80 SERIES Shaft And Bearing Reassembly curred, use a suitably sized sleeve and a press to And Installation reposition the bearings. If heating the bearings is not practical, use a suit Clean and inspect the bearings as indicated in ably sized sleeve and an arbor (or hydraulic) press Shaft and Bearing Removal and Disassembly.
- Page 29 80 SERIES OM-00985 NOTE failure. If necessary to reuse an old seal in an emer gency, carefully wash all metallic parts in fresh Shaft endplay should be .002 to .010 inch (0,05 to cleaning solvent and allow to dry thoroughly. 0,25 mm).
- Page 30 OM-00985 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-00985 Subassemble the outboard stationary seat, pack until the correct clearance is achieved. Secure the ing ring and stationary washer. Press this unit into pump casing to the seal plate and pedestal with the lubricated seal liner. Install the outboard rotat the nuts (38).
- Page 32 OM-00985 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 (12) 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 88B2-B and is the answer not in the manual?
Questions and answers