GORMAN-RUPP PUMPS 80 Series Installation, Operation And Maintenance Manual
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- Page 1 OM-00900-07 August 22, 2005 Rev A. - 08/14/19 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 84A2-F3L GORMAN‐RUPP PUMPS www.grpumps.com 2005 Gorman‐Rupp Pumps Printed in U.S.A.
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com/register. 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 ‐... - Page 4 TABLE OF CONTENTS (continued) TROUBLESHOOTING - SECTION D ....... PAGE D - 1 PREVENTIVE MAINTENANCE .
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Page 5: Introduction
Rupp pump. to those which could be dangerous to personnel: This pump is an 80 Series, semi‐open impeller, self‐ priming centrifugal model with a suction check valve. The pump is designed for handling most non‐volatile, non‐flammable liquids containing... -
Page 6: Safety - Section A
80 SERIES OM-00900 SAFETY - SECTION A This information applies to 80 Series Disconnect the positive battery cable before performing any maintenance. Engine Driven pumps. Refer to the man Failure to do so may result in serious ual accompanying the engine before at... - Page 7 OM-00900 80 SERIES necessary and keep personnel away from suspended objects. Pumps and related equipment must be in stalled and operated according to all na tional, local and industry standards. After the pump has been positioned, make certain that the pump and all pip...
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Page 8: Installation - Section B
80 SERIES OM-00900 INSTALLATION - SECTION B Review all SAFETY information in Section A. to the pump is critical to performance and safety, be sure to limit the incoming pressure to 50% of the Since pump installations are seldom identical, this... -
Page 9: Battery Specifications And Installation
OM-00900 80 SERIES ing, check for loose hardware at mating sur POSITIONING PUMP faces. c. Carefully read all tags, decals, and markings on the pump assembly, and perform all duties indicated. Death or serious personal injury and d. Check levels and lubricate as necessary. Re... -
Page 10: Suction And Discharge Piping
80 SERIES OM-00900 only; however, the engine manufacturer should be SUCTION LINES consulted for continuous operation at angles To avoid air pockets which could affect pump prim greater than 15_. ing, the suction line must be as short and direct as possible. -
Page 11: Float Switches
OM-00900 80 SERIES recommended minimum submergence vs. veloc NOTE ity. The pipe submergence required may be reduced by installing a standard pipe increaser fitting at the end of the suction line. The larger opening size will reduce the inlet velocity. Calculate the required submergence using the following formula based on the increased opening size (area or diameter). -
Page 12: Discharge Lines
80 SERIES OM-00900 mately 6 inches (152 mm) above the float. increase. This setting allows approximately 9 inches c. If a double float switch system is used, posi (229 mm) of liquid rise between pump start/ tion the “Start” float at the desired high water stop. -
Page 13: Operation - Section C
OM-00900 80 SERIES OPERATION - SECTION C Review all SAFETY information in Section A. cated (see LUBRICATION in MAINTENANCE AND REPAIR). Follow the instructions on all tags, labels and This pump is self priming, but the pump should decals attached to the pump. -
Page 14: Starting
OM-00900 80 SERIES STARTING NOTE For security purposes, the key can be removed with the switch in the “AUTO START” position. Press and hold the white “AUTO” button on the control panel until the red “AUTO” light illuminates. If the pump is equipped with the option... -
Page 15: Operation
OM-00900 80 SERIES The unit can be started manually with the key sprinkler heads, and any other fixtures connected switch in the “AUTO START” position by pressing to the line. When the discharge line is completely the white “MAN” button. The “Single Lightning filled, adjust the throttling valve to the required flow Bolt”... -
Page 16: Pump Vacuum Check
OM-00900 80 SERIES maximum permissible operating pressure shown cable to ensure that the pump will remain inopera on the pump performance curve. (See Section E, tive. Page 1.) If the pump is fitted with a Gorman‐Rupp Automatic Stopping double grease lubricated seal, the maximum in... -
Page 17: Operation In Extreme Heat
OM-00900 80 SERIES Temperatures up to 160_F (71_C) are considered factory; do not attempt to adjust any of normal for bearings, and they can operate safely to the settings. Determine the cause of at least 180_F (82_C). shutdown before putting the unit back into service. - Page 18 80 SERIES OM-00900 TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. 5. Close the suction and discharge valves. 6. Vent the pump slowly and cau tiously. 7. Drain the pump. Before attempting to open or service the pump: 1.
- Page 19 OM-00900 80 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR FAILS Strainer clogged. Check strainer and clean if neces sary. DELIVER RATED FLOW OR PRESSURE Impeller or other wearing parts worn Replace worn or damaged parts. (cont.) or damaged.
- Page 20 80 SERIES OM-00900 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 21 80 SERIES OM-00900 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 84A2-F3L Based on 70_ F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 22 OM-00900 80 SERIES ILLUSTRATION PARTS PAGE Figure 1. Pump Model 84A2-F3L PAGE E - 2 MAINTENANCE & REPAIR...
- Page 23 80 SERIES OM-00900 PARTS LIST Pump Model 84A2-F3L (From S/N 1348524 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 24 OM-00900 80 SERIES ILLUSTRATION Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Î Î Î Î Ì Ì Ç Ç Ç Î Î Ï Ç Ç Ç Î Ç Ç Ç Ç Ç Ç Ç Ì Ì Ç...
- Page 25 80 SERIES OM-00900 PARTS LIST 84A2-(SAE 4/10) Pump End Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING SEE NOTE BELOW -LOCK WASHER J04 17090 INTERMEDIATE 36 10010 CHECK VALVE SEAT 7336 10010 MACHINE SCREW X0403 17090...
- Page 26 OM-00900 80 SERIES SECTION DRAWING Î Î Î Î Ï Ï Ï Ï Ï Ï Î Î Î Î Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Î Î Î Î Ï Ï Ï Ï Ï Ï...
- Page 27 80 SERIES OM-00900 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...
- Page 28 OM-00900 80 SERIES Support the pump using a suitable hoist and sling. Remove the hardware (46, 47, 48 and 49, Figure 1) securing the pump casing to the base. Use Only Genuine Gorman-Rupp re Disengage the hardware (2 and 3) securing the placement parts.
- Page 29 80 SERIES OM-00900 shaft (3) with the “V” notch positioned over the Inspect the wear plate (17) and replace if scored or shaft key. worn. To remove the wear plate, disengage the hardware (18 and 19) from the wear plate studs With the impeller rotation still blocked, see Figure 4 and pull the wear plate from the pump casing.
- Page 30 OM-00900 80 SERIES Remove the outboard bearing cup (5) from the NOTE bearing cone (4). An alternate method of removing the seal without removing the seal plate is to remove the outer rotat Place the intermediate on a level surface with the...
- Page 31 80 SERIES OM-00900 Rotate the bearings by hand to check for rough seated. This should be done quickly, in one con ness or binding and inspect the rollers. If rotation is tinuous motion, to prevent the bearings from cool rough or the rollers are discolored, replace the ing and sticking on the shaft.
- Page 32 OM-00900 80 SERIES Lubricate the bearings as indicated in LUBRICA the setscrews to 14.5 ft. lbs. (175 in. lbs. or 2,02 m. TION at the end of this section. kg.). If the complete coupling assembly is being re Securing Intermediate And Drive Assembly To placed, apply `Loctite Retaining Compound No.
- Page 33 80 SERIES OM-00900 Handle the seal parts with extreme care to prevent components are worn, replace the complete seal; damage. Be careful not to contaminate precision never mix old and new seal parts. finished faces; even fingerprints on the faces can If a replacement seal is being used, remove it from shorten seal life.
- Page 34 OM-00900 80 SERIES the hole from the inside of the seal liner after drill or impossible without damage to the im ing. peller or shaft. Slide the seal plate onto the shaft until fully seated Install the same thickness of impeller shims (15) as against the intermediate.
- Page 35 80 SERIES OM-00900 reach through the discharge port and measure the gasket (27), and secure the suction flange (28) to clearance with a feeler gauge. Add or subtract the seat with the nuts (29). pump casing gaskets until the proper impeller Check the operation of the check valve to ensure clearance is attained.
- Page 36 OM-00900 80 SERIES Bearings diate must be disassembled to completely clean and maintain this cavity. (Figure 2) Under normal conditions, change the grease after The intermediate was fully lubricated when each 5000 hours of operation, or at 12 month inter...
- Page 37 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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