GORMAN-RUPP 80 Series Installation, Operation And Maintenance Manual
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ACDEGHJW
OM−04130−OE01
May 9, 1995
Rev. A 01-10-08
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMPS
MODEL
81 1/2P47A−9
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
www.grpumps.com
D
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
1995 The Gorman-Rupp Company
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Summary of Contents for GORMAN-RUPP 80 Series
- Page 1 May 9, 1995 Rev. A 01-10-08 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMPS MODEL 81 1/2P47A−9 THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 1995 The Gorman-Rupp Company...
- Page 2 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 −... - Page 4 TABLE OF CONTENTS (continued) Seal Removal ............PAGE E −...
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Page 5: Introduction
Rupp pump. Immediate hazards which WILL result in severe personal injury or death. These This pump is an 80 Series, semi-open impeller, self- instructions describe the procedure re- priming centrifugal model. The pump is close-cou- pled to a 3.5 HP Briggs and Stratton gasoline en- quired and the injury which will result gine. -
Page 6: Safety − Section A
80 SERIES OM−04130 SAFETY − SECTION A This information applies to 80 Series en- and most water-soluble herbicides and pesticides containing small entrained gine-driven pumps. Refer to the manual solids. Do not attempt to pump volatile, accompanying the engine before at- flammable, or highly corrosive liquids tempting to begin operation. - Page 7 OM−04130 80 SERIES When operating internal combustion engines in an enclosed area, make cer- tain that exhaust fumes are piped to the outside. These fumes contain carbon Do not remove plates, covers, gauges, monoxide, a deadly gas that is color- pipe plugs, or fittings from an over- less, tasteless, and odorless.
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Page 8: Installation − Section Bpage B
For further assistance, contact your Gorman-Rupp Most of the information pertains to a standard distributor or the Gorman-Rupp Company. static lift application where the pump is posi- tioned above the free level of liquid to be pumped. -
Page 9: Positioning Pump
To ensure sufficient lubrication and fuel supply to Gorman-Rupp distributor or the factory to deter- the engine, do not position the pump and engine mine the repair or updating policy. Do not put the... -
Page 10: Materials
80 SERIES OM−04130 Discharge Elevation (Ft./M.) Suction Lift (Ft./M.) Float or Rope to Raise Strainer Off Bottom Strainer Figure 2. Typical Installation for Pump Model 81 1/2P47A−9 Materials tially increase friction loss. If elbows are necessary, use the long-radius type to minimize friction loss. -
Page 11: Fittings
80 SERIES OM−04130 possible. When operation involves a suction lift, the pipe dope. The pipe dope should be compatible line must always slope upward to the pump from with the liquid being pumped. the source of the liquid being pumped; if the line... -
Page 12: Discharge Lines
80 SERIES OM−04130 Figure 3. 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- If the application involves a high discharge phon breaker is used in the line. -
Page 13: Operation − Section C
OM−04130 80 SERIES OPERATION − SECTION C Review all SAFETY information in Section A. not prime when dry. Extended operation of a dry pump will destroy the seal assembly. Follow the instructions on all tags, labels and Add liquid to the pump casing when: decals attached to the pump. -
Page 14: Starting
OM−04130 80 SERIES feet (1,5 to 3,1 m), the pump should prime within 2 a closed discharge throttling valve, minutes. The maximum suction lift of 25 feet (7,6 pump components will deteriorate, and m) (at sea level) should require no more than 4 min- the liquid could come to a boil, build utes for initial prime. -
Page 15: Pump Vacuum Check
OM−04130 80 SERIES Never introduce air or steam pressure into the On engine driven pumps, reduce the throttle pump casing or piping to remove a blockage. This speed slowly and allow the engine to idle briefly be- could result in personal injury or damage to the fore stopping. -
Page 16: Troubleshooting − Section Dpage D
80 SERIES OM−04130 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 disconnect the spark plug wire to ensure that the pump will remain inoperative. - Page 17 OM−04130 80 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Leaking or worn seal or pump gasket. Check pump vacuum. Replace FAILS TO DELIVER leaking or worn seal or gasket. RATED FLOW OR Strainer clogged. Check strainer and clean if neces- PRESSURE (cont.)
- Page 18 80 SERIES OM−04130 in suction and discharge gauge readings (if so PREVENTIVE MAINTENANCE equipped) between regularly scheduled inspec- tions can indicate problems that can be corrected Routine preventive maintenance of the pump will before system damage or catastrophic failure oc- maintain peak operating performance.
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Page 19: Pump Maintenance And Repair − Section Epage E
If your pump serial number is followed by an N", operating speed for this pump is 3600 your pump is NOT a standard production model. RPM (shut off). Contact the Gorman-Rupp Company to verify per- formance or part numbers. MAINTENANCE & REPAIR PAGE E − 1... - Page 20 OM−04130 80 SERIES PARTS PAGE SECTIONAL DRAWING SEAL AREA DETAIL Figure 1. Pump Model 81 1/2P47A−9 PAGE E − 2 MAINTENANCE & REPAIR...
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Page 21: Parts List − Pump Model
PARTS LIST Pump Model 81 1/2P47A−9 (From S/N 1069800 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. PART ITEM PART MAT’L... -
Page 22: Pump And Seal Disassembly And Reassembly
OM−04130 80 SERIES Pump Disassembly PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Remove the suction and discharge piping. Before attempting to service the pump, remove the Review all SAFETY information in Section A. housing drain plug (26) and drain the pump. Clean and reinstall the drain plug. - Page 23 80 SERIES OM−04130 Seal Installation finished faces; even fingerprints on the faces can shorten seal life. If necessary, clean the faces with a Clean the seal cavity and shaft with a cloth soaked non-oil based solvent and a clean, lint-free tissue.
- Page 24 OM−04130 80 SERIES Pump Reassembly This seal is not designed for operation at temperatures above 160_F (71_C). Do not Be sure to follow all torque recommenda- use at higher operating temperatures. tions when securing pump hardware. Ov- er-tightening could cause threads to strip Secure the intermediate (18) to the engine with the or plastic parts to crack.
- Page 25 80 SERIES OM−04130 Intermediate Vane Plat Impeller Step 1 Step 2 Figure 3. Calculating Impeller Shim Thickness After the required thickness of impeller shims has Final Pump Reassembly been calculated and the impeller installed, position the vane plate on the integral plastic pins in the in- Be sure all hardware and drain plugs are tight.
- Page 26 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 THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...
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