GORMAN-RUPP PUMPS 80 Series Installation, Operation And Maintenance Manual
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GORMAN-RUPP PUMPS 80 Series Installation, Operation And Maintenance Manual

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ACE
OM−03422−OE02
February 27, 1995
Rev. A 03-23-10
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMPS
MODEL
83B2−M12
and
83B2−M12 S/G
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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  • Page 1 OM−03422−OE02 February 27, 1995 Rev. A 03-23-10 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMPS MODEL 83B2−M12 83B2−M12 S/G THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I −...
  • Page 4 TABLE OF CONTENTS (continued) PUMP AND SEAL DISASSEMBLY AND REASSEMBLY ......PAGE E − 8 Suction Check Valve Disassembly .

  • Page 5: Introduction

    This pump is an 80 Series, semi-open impeller, self- priming centrifugal model with a suction check valve. It is close-coupled to a 12 H.P . single cylin- der, four cycle, air cooled Kohler gasoline engine, model M12.

  • Page 6: Safety - Section A

    80 SERIES OM−03422 SAFETY - SECTION A This information applies to 80 Series en- gine driven pumps. Refer to the manual accompanying the engine before at- tempting to begin operation. After the pump has been installed, make certain that the pump and all piping or hose connections are tight, properly supported and secure before operation.
  • Page 7 OM−03422 80 SERIES Do not operate an internal combustion Fuel used by internal combustion en- engine in an explosive atmosphere. gines presents an extreme explosion When operating internal combustion and fire hazard. Make certain that all engines in an enclosed area, make cer-...

  • Page 8: Installation − Section Bpage B

    80 SERIES OM−03422 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: Preinstallation Inspection Page B

    OM−03422 80 SERIES PREINSTALLATION INSPECTION Cold Reserve Approx. Amp/ Crank Capacity Overall Voltage Amps Dims. @ 80 (Minutes) (Inches) Rating 7.75L The pump assembly was inspected and tested be- fore shipment from the factory. Before installation, 12 Volts 220−255 5.13W inspect the pump for damage which may have oc- 7.38H...

  • Page 10: Mounting

    80 SERIES OM−03422 mum use of elbows and fittings, which substan- damaged if the cables or chains used to lift tially increase friction loss. If elbows are necessary, and move the unit are improperly wrapped use the long-radius type to minimize friction loss.

  • Page 11: Sealing

    OM−03422 80 SERIES strainer furnished with the pump will also pass tion inlet because the inflow will carry air down into through the pump itself. the sump, and air entering the suction line will re- duce pump efficiency. If a strainer is not furnished with the pump, but is...

  • Page 12: Discharge Lines

    80 SERIES OM−03422 Figure 2. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES stalled in the discharge line to protect the pump 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- phon breaker is used in the line.

  • Page 13: Operation − Section C

    OM−03422 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.

  • Page 14: Leakage

    OM−03422 80 SERIES on the discharge pressure gauge or by a quieter drop. If a vacuum suction gauge has been in- operation. The pump may not prime immediately stalled, monitor and record the readings regularly because the suction line must first fill with liquid. If to detect strainer blockage.

  • Page 15: Cold Weather Preservation

    OM−03422 80 SERIES Cold Weather Preservation few hours, or if it has been pumping liquids con- taining a large amount of solids, drain the pump, In below freezing conditions, drain the pump to and flush it thoroughly with clean water. To prevent prevent damage from freezing.

  • Page 16: Troubleshooting − Section Dpage D

    80 SERIES OM−03422 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 discon- nect the spark plug wire to ensure that the pump will remain inopera- tive.
  • Page 17 OM−03422 80 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Air leak in suction line. Correct leak. FAILS TO DELIVER Lining of suction hose collapsed. Replace suction hose. RATED FLOW OR PRESSURE Leaking or worn seal or pump gasket.

  • Page 18: Preventive Maintenance Schedule

    80 SERIES OM−03422 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 19: Pump Maintenance And Repair - Section Epage E

    80 SERIES OM−03422 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 MODELS 83B2−M12 AND 83B2−M12 S/G Based on 70_ F (21_ C) clear water at sea level with minimum suction lift.
  • Page 20 OM−03422 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 83B2−M12 PAGE E − 2 MAINTENANCE & REPAIR...

  • Page 21: Parts Lists

    80 SERIES OM−03422 PARTS LIST Pump Model 83B2−M12 (From S/N 1068712 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 MAT’L...
  • Page 22 OM−03422 80 SERIES SECTION DRAWING Figure 2. Pump Model 83B2−M12 S/G PAGE E − 4 MAINTENANCE & REPAIR...
  • Page 23 80 SERIES OM−03422 PARTS LIST Pump Model 83B2−M12 S/G (From S/N 1068712 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...
  • Page 24 OM−03422 80 SERIES SECTION DRAWING Figure 3. Pump End Assembly 83B2−(M12/M12 S/G) PAGE E − 6 MAINTENANCE & REPAIR...
  • Page 25 80 SERIES OM−03422 PARTS LIST Pump End Assembly 83B2−(M12/M12 S/G) ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE PUMP CASING 38222−301 10000 HEX HD CAPSCREW B0618 15991 FLAT WASHER KF06 18040 IMPELLER 7422B 10010...
  • Page 26 OM−03422 80 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. Review all SAFETY information in Section A. 5. Close the suction and discharge valves. Follow the instructions on all tags, label and de- 6.
  • Page 27 80 SERIES OM−03422 eye into the casing until fully engaged. Use a hoist Seal Removal and sling of suitable capacity to separate the cas- (Figures 2 and 3) ing from the seal plate and pedestal. Make certain that the cross arm on the grease cup has been turned down against the cover before re- moving the seal assembly.
  • Page 28 OM−03422 80 SERIES Handle the seal parts with extreme care to prevent ponents 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 29 80 SERIES OM−03422 crankshaft will have to be replaced (refer to the en- Install the same thickness of pump casing gaskets gine service manual). (26) as previously removed. Secure the pump cas- ing (1) to the intermediate with the nuts (25).
  • Page 30 OM−03422 80 SERIES If a lifting eye was used to move the pump casing, LUBRICATION be sure to remove the lifting eye from the pump casing. Be sure the pump and engine have been properly Seal Assembly lubricated, see LUBRICATION.
  • Page 31 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...

This manual is also suitable for:

83b2-m1283b2-m12 s/g

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