GORMAN-RUPP PUMPS 80 Series Installation, Operation, And Maintenance Manual With Parts List
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- Page 1 OM-03939-01 June 8, 1993 Rev. D - 08/14/19 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMPS MODELS 84A2-(SAE 4/8) 84A2-(SAE 4/10) GORMAN‐RUPP PUMPS www.grpumps.com 1993 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. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below.
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ........... PAGE I - 1 SAFETY - SECTION A . - Page 4 TABLE OF CONTENTS (continued) SAE 4/10 Drive Assembly ..........PAGE E - 7 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY .
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Page 5: Introduction
80 SERIES OM-03939 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-03939 SAFETY - SECTION A This information applies to 80 Series en danger personnel as a result of pump failure. gine driven pumps. Refer to the manual accompanying the engine before at tempting to begin operation. Because pump installations are seldom... - Page 7 OM-06752 80 SERIES heated pump. Vapor pressure within the pump can cause parts being disen gaged to be ejected with great force. Al low the pump to completely cool before Allow an over‐heated pump to com servicing. pletely cool before servicing. Do not re...
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Page 8: Installation - Section B
80 SERIES OM-03939 INSTALLATION - SECTION B Review all SAFETY information in Section A. e. If the pump has been stored for more than 12 months, some of the components or lubri cants may have exceeded their maximum Since pump installations are seldom identical, this shelf life. -
Page 9: Mounting
OM-03939 80 SERIES stallation or repair of the pump end, refer to Secur mum use of elbows and fittings, which substan ing Intermediate And Drive Assembly To Engine tially increase friction loss. If elbows are necessary, in MAINTENANCE AND REPAIR, Section E for use the long‐radius type to minimize friction loss. -
Page 10: Sealing
80 SERIES OM-03939 strainer furnished with the pump will also pass If there is a liquid flow from an open pipe into the through the pump itself. sump, the flow should be kept away from the suc tion inlet because the inflow will carry air down into If a strainer is not furnished with the pump, but is the sump, and air entering the suction line will re... -
Page 11: Discharge Lines
OM-03939 80 SERIES on the increased opening size (area or diameter). Figure 1. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES from excessive shock pressure and reverse rota tion when it is stopped. Siphoning Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a si... -
Page 12: Operation - Section C
OM-03939 80 SERIES OPERATION - SECTION C Review all SAFETY information in Section A. When installed in a flooded suction application, simply open the system valves and permit the in coming liquid to evacuate the air. After the pump Follow the instructions on all tags, labels and and piping system have completely filled, evacu... -
Page 13: Lines Without A Bypass
OM-03939 80 SERIES Lines Without a Bypass Strainer Check If a suction strainer has been shipped with the Open all valves in the discharge line and start the pump or installed by the user, check the strainer engine. Priming is indicated by a positive reading regularly, and clean it as necessary. -
Page 14: Cold Weather Preservation
OM-03939 80 SERIES head, gradually close the discharge BEARING TEMPERATURE CHECK throttling valve before stopping the pump. Bearings normally run at higher than ambient tem peratures because of heat generated by friction. After stopping the pump, take other precautions to Temperatures up to 160_F (71_C) are considered ensure that the pump will remain inoperative. -
Page 15: Troubleshooting - Section D
OM-03939 80 SERIES TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Shut down the engine and take other precautions to ensure that the pump will remain inoperative. - Page 16 OM-03939 80 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Suction intake not submerged at Check installation and correct sub FAILS TO DELIVER proper level or sump too small. mergence as needed. RATED FLOW OR Impeller or other wearing parts worn Replace worn or damaged parts.
- Page 17 OM-03939 80 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.
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Page 18: Pump Maintenance And Repair - Section E
OM-03939 80 SERIES PUMP MAINTENANCE AND REPAIR - SECTION E Maintenance and repair of the wearing parts of the pump will maintain peak operating perform ance. Hazards or unsafe practices which If your pump serial number is followed by an “N”, COULD result in severe personal injury your pump is NOT a standard production model. - Page 19 OM-03939 80 SERIES ILLUSTRATION Ç Ç Ç Ç Ç Ì Ì Ï Ï Ï Ç Ç Ç Ç Ç Ç Ì Ì Ì Ì Ç Ç Ç Ç Î Î Î Î Ï Ï Ï Ï Î Î Ç Ç...
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Page 20: Parts Lists
OM-03939 80 SERIES PARTS LIST 84A2‐(SAE 4/8) and 84A2-(SAE 4/10) Pump End Assemblies (From S/N 1027789 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. - Page 21 OM-03939 80 SERIES ILLUSTRATION Figure 2. 84A2‐(SAE 4/8) Drive Assembly PARTS LIST ITEM PART PART NAME NUMBER HEX HD CAPSCREW B0606 15991 LOCK WASHER J06 15991 COUPLING KIT 48112-002 COUPLING ASSEMBLY 44165-013 HEX HD CAPSCREW B0609 15991 LOCKWASHER J06 15991...
- Page 22 OM-03939 80 SERIES ILLUSTRATION Ì Ì Ì Ì Î Î Î Î Î Ì Ì Ì Ì Î Î Î Î Î Ì Ì Ì Ì Î Î Î Î Î Î Î Î Î Î Ì Ì Ì Ì...
- Page 23 OM-03939 80 SERIES PUMP AND SEAL DISASSEMBLY 6. Vent the pump slowly and cau tiously. AND REASSEMBLY 7. Drain the pump. Review all SAFETY information in Section A. Follow the instructions on all tags, label and de cals attached to the pump.
- Page 24 OM-03939 80 SERIES suction flange and gasket (28 and 27) from the off the shaft. For ease of reassembly, tie and tag the shims or measure and record their thickness. pump casing (1). Replace the suction flange gas ket as required.
- Page 25 OM-03939 80 SERIES the circumference of the bushing. As the coupling and bushing separate, remove the bushing, and slide the coupling off the shaft. Remove the shaft key (41, Figure 1). Shaft and bearing disassembly in the field is not recommended. These operations...
- Page 26 OM-03939 80 SERIES To prevent damage during removal from Most cleaning solvents are toxic and the shaft, it is recommended that bearings flammable. Use them only in a well ven be cleaned and inspected in place. It is tilated area free from excessive heat, strongly recommended that the bearings sparks, and flame.
- Page 27 OM-03939 80 SERIES Press the bearing closure (6) and inboard bearing (4) align with those in the bushing, and install the cup (5) into the intermediate until seated squarely capscrews. against the intermediate shoulder. Make certain that the flexible portion of the coupling is mounted in accordance with When installing the bearing cups on the im...
- Page 28 OM-03939 80 SERIES Securing Intermediate And Drive Assembly To (not shown), and secure the outer ring of the cou Engine (SAE 4/10 Model) pling to the engine flywheel by torquing the hard ware to 45 ft. lbs. (540 in. lbs. or 6,2 m. kg.).
- Page 29 OM-03939 80 SERIES shorten seal life. If necessary, clean the faces with a If a replacement seal is being used, remove it from non‐oil based solvent and a clean, lint‐free tissue. the container and inspect the precision finished Wipe lightly in a concentric pattern to avoid faces to ensure that they are free of any foreign scratching the faces.
- Page 30 OM-03939 80 SERIES temporarily secure the seal plate to the intermedi NOTE ate with two capscrews and nuts (1/2 UNC by 1 1/2 At the slightest sign of binding, immediately back inch long, not supplied). the impeller off, and check the threads for dirt. Do not try to force the impeller onto the shaft.
- Page 31 OM-03939 80 SERIES Final Pump Assembly Be sure the pump and intermediate are secure to the engine and the base Do not attempt to lift the complete pump unit using the lifting eye. It is designed Install the suction and discharge lines, and open all to facilitate removal or installation of in...
- Page 32 OM-03939 80 SERIES Bearings diate must be disassembled to completely clean and maintain this cavity. (Figure 1) Under normal conditions, change the grease after The intermediate was fully lubricated when each 5000 hours of operation, or at 12 month inter...
- 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...
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