GORMAN-RUPP PUMPS 10 Series Installation, Operation, And Maintenance Manual With Parts List
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ACDE
OM‐00641‐03
March 26, 1980
Rev. C 12‐30‐2013
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
10 SERIES PUMP
MODEL
13C20-B
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
1980 The Gorman‐Rupp Company
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Summary of Contents for GORMAN-RUPP PUMPS 10 Series
- Page 1 ACDE OM‐00641‐03 March 26, 1980 Rev. C 12‐30‐2013 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 10 SERIES PUMP MODEL 13C20-B THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 1980 The Gorman‐Rupp Company...
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com/register. 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:...
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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
This pump is a 10 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
10 SERIES OM-00641 SAFETY ‐ SECTION A This information applies to 10 Series ba sic pumps. Gorman‐Rupp has no con trol over or particular knowledge of the power source which will be used. Refer This pump is designed to handle most to the manual accompanying the power non‐volatile,... - Page 7 OM-00641 10 SERIES Do not operate the pump against a Do not operate the pump without closed discharge valve for long periods shields and/or guards in place over the of time. If operated against a closed dis drive shafts, belts, and/or couplings, or charge valve, pump components will other rotating parts.
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Page 8: Installation - Section B
10 SERIES OM-00641 INSTALLATION - SECTION B Review all SAFETY information in Section A. specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this be sure to limit the incoming pressure to 50% of the... -
Page 9: Preinstallation Inspection
OM-00641 10 SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be fore shipment from the factory. Before installation, inspect the pump for damage which may have oc curred during shipment. Check as follows: a. Inspect the pump for cracks, dents, damaged Death or serious personal injury and threads, and other obvious damage. -
Page 10: Suction And Discharge Piping
10 SERIES OM-00641 Installation closer to the pump may result in erratic SUCTION AND DISCHARGE PIPING readings. Pump performance is adversely effected by in SUCTION LINES creased suction lift, discharge elevation, and fric tion losses. See the performance curve on Page To avoid air pockets which could affect pump prim... -
Page 11: Suction Lines In Sumps
OM-00641 10 SERIES Suction Lines In Sumps of one or both pumps. To avoid this, position the suction inlets so that they are separated by a dis If a single suction line is installed in a sump, it tance equal to at least 3 times the diameter of the should be positioned away from the wall of the suction pipe. -
Page 12: Discharge Lines
10 SERIES OM-00641 pass line should be at least 1 inch (25,4 mm) in di DISCHARGE LINES ameter to minimize the chance of plugging. Siphoning Do not terminate the discharge line at a level lower In low discharge head applications (less than 30 than that of the liquid being pumped unless a si... -
Page 13: Automatic Air Release Valve
OM-00641 10 SERIES liquid from the pump by removing the casing drain plug. Use caution when re moving the plug to prevent injury to per sonnel from hot liquid. Except in certain specific applications (to prevent flooding during service of an auto... - Page 14 10 SERIES OM-00641 DISCHARGE PIPE CLEAN‐OUT COVER INSTALL AIR RELEASE VALVE IN HORIZONTAL POSITION DISCHARGE CHECK VALVE 90_ LONG RADIUS ELBOW SUPPORT PUMP DISCHARGE BRACKET SELF‐PRIMING CENTRIFUGAL PUMP BLEED LINE 1” (25,4 MM) DIA. MIN. (CUSTOMER FUR NISHED) DO NOT EX...
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Page 15: Alignment
OM-00641 10 SERIES Connect the valve outlet to a bleed line which slopes back to the wet well or sump. The bleed line must be the same size as the outlet opening or larger, depending on which Air Release Valve is be... -
Page 16: V-Belt Drives
10 SERIES OM-00641 MISALIGNED: MISALIGNED: ALIGNED: SHAFTS SHAFTS SHAFTS PARALLEL AND NOT PARALLEL NOT IN LINE SHEAVES IN LINE Figure 4C. Alignment of V‐Belt Driven Pumps Tighten the belts in accordance with the belt manu facturer's instructions. If the belts are too loose, Figure 4B. -
Page 17: Tension Measurement
OM-00641 10 SERIES from dirt, grease, oil and other foreign material For example, if the span as measured in Figure 5 is which may cause slippage. 32 inches (813 mm), the V‐belt cross‐section is C, the smallest sheave diameter is 8 inches, the pump... - Page 18 10 SERIES OM-00641 Table 1. Sheave Diameter (Inches) Table 2. Sheave Diameter (Millimeters) Deflection Force (Lbs.) Deflection Force (KG.) Belt Deflection Force Belt Deflection Force Uncogged Cogged Uncogged Cogged Hy‐T Belts & Torque‐Flex Hy‐T Belts & Torque‐Flex Uncogged & Machined Uncogged &...
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Page 19: Operation - Section C
OM-00641 10 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 20: Operation
OM-00641 10 SERIES Consult the operating manual furnished with the Leakage pump power source before attempting to start the No leakage should be visible at pump mating sur power source. faces, or at pump connections or fittings. Keep all line connections and fittings tight to maintain maxi... -
Page 21: Stopping
OM-00641 10 SERIES Block the suction line and start the pump. At oper normal for bearings, and they can operate safely to ating speed the pump should pull a vacuum of 20 at least 180_F (82_C). inches (508,0 mm) or more of mercury. If it does Checking bearing temperatures by hand is inaccu... - Page 22 10 SERIES OM-00641 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. Disconnect or lock out the power source to ensure that the pump will remain inoperative.
- Page 23 OM-00641 10 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 Impeller clogged. Free impeller of debris.
- Page 24 10 SERIES OM-00641 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 25 10 SERIES OM-00641 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 13C20-B Based on 70_F (21_C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 26 OM-00641 10 SERIES SECTION DRAWING PARTS PAGE Figure E-1. Pump Model 13C20-B PAGE E - 2 MAINTENANCE & REPAIR...
- Page 27 10 SERIES OM-00641 PARTS LIST Pump Model 13C20-B (From S/N 710764 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 28 OM-00641 10 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. 5. Close the suction and discharge Review all SAFETY information in Section A. valves. 6. Vent the pump slowly and cau...
- Page 29 10 SERIES OM-00641 Inspect the wear plate and replace it if badly scored ler may also be loosened by using a long piece of or worn. To remove the wear plate, disengage the heavy bar stock to pry against the arm of the lathe hardware (48 and 49) securing it to the back cover.
- Page 30 OM-00641 10 SERIES Inspect the seal plate and replace it if cracked or badly worn. If no further disassembly is required, see Seal To prevent damage during removal from Reassembly and Installation. the shaft, it is recommended that bearings be cleaned and inspected in place. It is...
- Page 31 10 SERIES OM-00641 If bearing replacement is required, use a bearing puller or an arbor (or hydraulic) press to remove the bearings from the shaft. When installing the bearings onto the Press the inboard oil seal (30) from the pedestal shaft, never press or hit against the outer bore.
- Page 32 OM-00641 10 SERIES Seal Reassembly and Installation Handle the seal parts with extreme care to prevent damage. Be careful not to contaminate precision Clean the seal cavity and shaft with a cloth soaked finished faces; even fingerprints on the faces can in fresh cleaning solvent.
- Page 33 10 SERIES OM-00641 A clearance of .020 to .040 inch (0,51 to 1,02 mm) between the impeller and the seal plate is neces sary for maximum pump efficiency. Measure this clearance and add or remove impeller shims until This seal is not designed for operation at this clearance is reached.
- Page 34 OM-00641 10 SERIES in the mounting slot in the suction flange (52). Align Remove the fill plug assembly (7) and fill the pump the adaptor with the flange hole and secure the as casing with clean liquid. Reinstall the fill plug and sembly with the check valve pin (60).
- Page 35 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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