GORMAN-RUPP PUMPS 2D-E.50 575V 3P Installation, Operation, And Maintenance Manual With Parts List

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COM‐01477‐04

September 13, 2010

Rev. A 11‐09‐11

INSTALLATION, OPERATION,

AND MAINTENANCE MANUAL

WITH PARTS LIST

D SERIES PUMP

MODEL

2D-E.50 3P & 2D-E.50 575V 3P

THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO

www.grpumps.com

GORMAN‐RUPP OF CANADA LIMITED

ST. THOMAS, ONTARIO, CANADA

Printed in U.S.A.

2010 The Gorman‐Rupp Company

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Summary of Contents for GORMAN-RUPP PUMPS 2D-E.50 575V 3P

Page 1 Rev. A 11‐09‐11 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST D SERIES PUMP MODEL 2D-E.50 3P & 2D-E.50 575V 3P THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 2010 The Gorman‐Rupp Company...
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 INTRODUCTION ........... PAGE I - 1 SAFETY ‐...
Page 4 TABLE OF CONTENTS (continued) Plunger Rod and Diaphragm Removal ........PAGE E - 7 Suction And Discharge Check Valve Installation .
Page 5 D SERIES OM-01477 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 7 D SERIES OM-01477 SAFETY ‐ SECTION A This information applies to D Series electric motor driven diaphragm pumps. Refer to the manual accompa nying the motor before attempting to All electrical connections must be in ac begin operation. cordance with the National Electric Code.
Page 8 OM-01477 D SERIES Never install a positive shut‐off valve in the Do not install and operate a non‐explo discharge line; discharge restrictions will sion proof motor in an explosive atmo cause excessive friction loss resulting in sphere. Install, connect, and operate overloading and destruction of pump and the motor in accordance with The Na...
Page 9 D SERIES OM-01477 INSTALLATION - SECTION B Review all SAFETY information in Section A. For further assistance, contact your Gorman‐Rupp distributor or the Gorman‐Rupp Company. Since pump installations are seldom identical, this Pump Dimensions section offers only general recommendations and practices required to inspect, position, and ar...
Page 10 OM-01477 D SERIES or replaced to ensure maximum pump serv After the pump has been positioned, block the ice. wheels and secure the pump to prevent creeping. If the maximum shelf life has been exceeded, or if SUCTION AND DISCHARGE PIPING anything appears to be abnormal, contact your Gorman‐Rupp distributor or the factory to deter...
Page 11 D SERIES OM-01477 prime and allow the liquid in the chamber to drain wise be transmitted through the drive train and away through the suction line. greatly accelerate pump wear. In a fixed piping installation, properly sized surge If the pump is mounted in a system with fixed, rigid suppressors must be installed in both suction and piping, it is recommended that a flexible connec...
Page 12 OM-01477 D SERIES It is strongly recommended that no positive shut‐ pipe dope. The pipe dope should be compatible off valve be installed in the suction line; excessive with the liquid being pumped. restrictions will cause incomplete filling of the dia phragm chamber and result in short diaphragm DISCHARGE LINES life.
Page 13 D SERIES OM-01477 ELECTRICAL CONNECTIONS fore making motor connections. Do not run the pump if the voltage is not within limits. Before connecting the motor to the incoming power, check that the electrical service available matches the pump motor requirements stamped on the motor nameplate.
Page 15 OM-01477 D SERIES OPERATION - SECTION C Review all SAFETY information in Section A. ened diaphragm life. No positive shut‐off valve should be installed in the discharge Follow the instructions on all tags, labels and line. decals attached to the pump. STARTING Consult the operations manual furnished with the motor before starting the pump.
Page 16 OM-01477 D SERIES If the pump will be idle for more than a few hours, or GEARBOX TEMPERATURE CHECK if it has been pumping liquids containing a large amount of solids, flush it with clean water. The gearbox runs higher than ambient tempera tures because of heat generated by friction.
Page 17 D SERIES OM-01477 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 and tag out incoming power to ensure that the pump will remain inoperative.
Page 18 OM-01477 D SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP REQUIRES Liquid solution too thick. Dilute if possible. TOO MUCH POWER Integral discharge check valve clogged Clean valve. or binding. Bearings in motor or gearbox Check bearings. worn or binding. Integral suction or discharge check Clean valves, check that flange nuts PUMP CLOGS FREQUENTLY...
Page 19 D SERIES OM-01477 PUMP MAINTENANCE AND REPAIR ‐ SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. IN GALLONS PER MINUTE AT 60 STROKES PER MINUTE STATIC STATIC DISCHARGE HEAD IN FEET LIFT IN FEET IN LITERS PER MINUTE AT 60 STROKES PER MINUTE...
Page 20 OM-01477 D SERIES PARTS PAGE SECTION DRAWING Figure 1. 2D-E.50 All Voltages Pump Model PAGE E - 2 MAINTENANCE & REPAIR...
Page 21 D SERIES OM-01477 PARTS LIST 2D-E.50 All Voltages Pump Model (From S/N 1467825 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-01477 D SERIES SECTION DRAWING Figure 2. 46181-004 Plunger Rod Assembly PAGE E - 4 MAINTENANCE & REPAIR...
Page 23 D SERIES OM-01477 PARTS LIST 46181-004 Plunger Rod Assembly ITEM PART MAT'L PART NAME NUMBER CODE ECCENTRIC 38555-505 11060 SOCKET HD CAPSCREW BD0504 15990 ROD END 23924-005 HEX HD CAPSCREW B0807 15991 CAP PLUG 25141-151 JAM NUT AT08S 15991 SPRING CENTERING WASHER 31513-001 15030 COMPRESSION SPRING...
Page 24 OM-01477 D SERIES For motor disassembly and repair, consult the lit PUMP DISASSEMBLY AND erature supplied with the motor, or contact your lo REASSEMBLY cal motor representative. Review all SAFETY information in Section A. Follow the instructions on all tags, label and de cals attached to the pump.
Page 25 D SERIES OM-01477 (1, Figure 2) is at the top of its stroke and the spring through the holes in the upper diaphragm plate (8, Figure 2) is decompressed. and secure with the nuts (14). Remove the tap screws (27) and eccentric guard (Figure 1) assembly (13).
Page 26 OM-01477 D SERIES Use a grease gun to apply No. 2 lithium base LUBRICATION grease to the upper lubrication fitting until grease Plunger Rod Assembly escapes from the eccentric cap. Lubricate the low er fitting (10) until grease escapes from the top of (Figure 2) the upper diaphragm plate inside the spring.
Page 28 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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