GORMAN-RUPP OM-05450-04 User manual

OM-05450-04
March 3, 2004
Rev. G 06‐03‐13
TVXY
THE GORMAN‐RUPP COMPANY MANSFIELD, OHIO
www.grpumps.com
GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A.
2004 The Gorman‐Rupp Company
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
ROTARY GEAR PUMPS
MODELS
GHS SERIES FLEXIBLE SEAL
IRON AND STEEL PUMPS
D,G,J,N & R SIZES
CONSTRUCTION CODES 3-B, 4-B, 32-B AND 38-B

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:

TABLE OF CONTENTS
i
INTRODUCTION PAGE I - 1...................................................
SAFETY - SECTION A PAGE A - 1............................................
INSTALLATION - SECTION B PAGE B - 1.....................................
PUMP MODEL DESIGNATION PAGE B-1..................................................
PREINSTALLATION INSPECTION PAGE B-2................................................
STORAGE PAGE B-2....................................................................
Flushing PAGE B-2..................................................................
PUMP INSTALLATION PAGE B-3..........................................................
Maximum Operating Parameters PAGE B-3.............................................
Lifting PAGE B-3.....................................................................
Positioning The Pump PAGE B-3......................................................
Mounting PAGE B-3.................................................................
Piping PAGE B-3....................................................................
Temperature Control PAGE B-4........................................................
Gauges PAGE B-4...................................................................
Strainers PAGE B-4..................................................................
Sealing PAGE B-4...................................................................
Valves PAGE B-4....................................................................
Barrier Liquids for 65E Cartridge Triple Lipseal PAGE B-5.................................
Barrier Liquids for Dual Mechanical Seals PAGE B-5.....................................
ALIGNMENT PAGE B-5..................................................................
Coupled Drives PAGE B-5............................................................
V‐Belt Drives PAGE B-6...............................................................
V‐BELT TENSIONING PAGE B-6..........................................................
General Rules of Tensioning PAGE B-6.................................................
Tension Measurement PAGE B-7......................................................
ELECTRICAL CONNECTIONS PAGE B-9...................................................
OPERATION - SECTION C PAGE C - 1.......................................
PUMP OPERATION PAGE C-1............................................................
PRE‐OPERATION PAGE C-1..............................................................
Before Starting the Pump PAGE C-1...................................................
Checking Pump Rotation PAGE C-1...................................................
STARTING PAGE C-2....................................................................
OPERATION PAGE C-2..................................................................
Liquid Temperature PAGE C-2.........................................................
Overheating PAGE C-2...............................................................
Checking Gauges PAGE C-3..........................................................
Strainer Check PAGE C-3.............................................................
Leakage PAGE C-3..................................................................
PRESSURE RELIEF VALVE ADJUSTMENT PAGE C-3........................................
Cracking Pressure PAGE C-3.........................................................
Complete By‐Pass Pressure PAGE C-3.................................................
STOPPING PAGE C-4....................................................................
TROUBLESHOOTING - SECTION D PAGE D - 1...............................
PREVENTIVE MAINTENANCE PAGE D-4...................................................

TABLE OF CONTENTS
(continued)
ii
PUMP MAINTENANCE AND REPAIR - SECTION E PAGE E - 1.................
TYPICAL GHS G, J, N And R SIZE PUMP MODEL ILLUSTRATION PAGE E-2...................
PARTS KEY: TYPICAL G, J, N & R SIZE GHS PUMP MODEL PAGE E-3........................
PUMP DISASSEMBLY PAGE E-4..........................................................
Preparing for Disassembly PAGE E-4..................................................
Pressure Relief Valve (10) PAGE E-5...................................................
Optional Head Jacket PAGE E-5.......................................................
Rotor Adjusting Sleeve (07) PAGE E-5.................................................
Coverplate Kit (11) PAGE E-5.........................................................
Head/Idler Kit (01 and 02) PAGE E-6...................................................
Seal Removal (05) PAGE E-6..........................................................
Rotor/Shaft Removal (03) PAGE E-6...................................................
Foot Bracket Kit (08) PAGE E-6........................................................
Backhead Kit Removal (06) PAGE E-6..................................................
Housing Assembly (04) PAGE E-7.....................................................
PUMP REASSEMBLY PAGE E-7..........................................................
Cleaning and Inspection PAGE E-7....................................................
Bushing Preparation PAGE E-7........................................................
Housing Assembly (04) PAGE E-8.....................................................
Backhead Kit (06) PAGE E-8..........................................................
Rotor/Shaft Assembly (03) PAGE E-8..................................................
Seal Installation (05) PAGE E-8........................................................
Head/Idler Kit (01 and 02) PAGE E-9...................................................
Optional Head Jacket PAGE E-9.......................................................
Coverplate Kit (11) PAGE E-9.........................................................
Foot Bracket Kit (08) PAGE E-9........................................................
Rotor Adjusting Sleeve (07) PAGE E-9.................................................
SETTING END CLEARANCE PAGE E-10...................................................
RELIEF VALVE DISASSEMBLY PAGE E-11.................................................
RELIEF VALVE REASSEMBLY PAGE E-12..................................................
Relief Valve Installation (10) PAGE E-14................................................
SEAL APPENDIX - SECTION F PAGE F-1.....................................
Standard Friction Drive (And Optional 60A, 60B And 61J) Mechanical Seals PAGE F-1...........
Positive Drive (Option 60D) Seal PAGE F-4..................................................
Double Friction Drive (Options 60J And 60K) Seals PAGE F-7.................................
Optional 60M, 60N, 60P, And 61L Cartridge Seal PAGE F-10...................................
Balanced Seal (Option 60Q And 60R) PAGE F-12............................................
Friction Drive Tandem Mechanical Seal (Option 60S) PAGE F-15...............................
Cartridge Seal (General) PAGE F-18........................................................
Option 65E Cartridge Lip Seal (D Size Only) PAGE F-21......................................
Standard (And Optional 65Q) Packing Seals PAGE F-24......................................
Single Lip Seal (Option 65A, 65B, 65C) PAGE F-27...........................................
O‐RING APPENDIX - SECTION G PAGE G-1..................................
O‐ring Information Chart PAGE G-1........................................................

OM-05450GHS SERIES
PAGE I-1INTRODUCTION
INTRODUCTION
Thank You for purchasing a Gorman‐Rupp Rotary
Gear Pump. This manual is designed to help you
achieve the best performance and longest life from
your Gorman‐Rupp Rotary Gear pump. Read this
manual carefully to learn how to safely install, op
erate and repair your pump. Failure to do so could
result in personal injury or damage to the pump.
This manual will alert personnel to known proce
dures which require special attention, to those
which could damage equipment, and to those
which could be dangerous to personnel. However,
this manual cannot possibly provide detailed in
structions and precautions for each specific ap
plication or for every situation that might occur dur
ing maintenance of the unit. Therefore, it is the re
sponsibility of the owner, installer and/or mainte
nance personnel to ensure that applications and/
or maintenance procedures not addressed in this
manual are performed only after establishing that
neither personal safety nor pump integrity are
compromised by such applications or procedures.
In addition to this manual, a separate Parts List is
shipped with the pump. Refer to the Parts List when
ordering parts.
If your pump is furnished with a drive unit, refer to
the drive unit manufacturer's installation and oper
ation instructions in the literature accompanying
the pump.
These pumps can transfer a wide range of light,
medium, and heavy viscosity liquids, depending
on design and components. Some models are
not recommended for use with water; others
when fitted with specific options, may be used
with water; consult the factory.
If there are any questions regarding the pump or
drive unit which are not covered in this manual or
in other literature accompanying this unit, please
contact your Gorman‐Rupp distributor or the Gor
man‐Rupp Company:
The Gorman‐Rupp Company
P.O. Box 1217
Mansfield, Ohio 44901-1217
Phone: [phone]
or:
Gorman‐Rupp of Canada Limited
70 Burwell Road
St. Thomas, Ontario N5P 3R7
Phone: [phone]
WARRANTY INFORMATION
The warranty provided with your pump is part of
Gorman‐Rupp's support program for customers
who operate and maintain their equipment as de
scribed in this and the other accompanying litera
ture. Please note that should the equipment be
abused or modified to change its performance be
yond the original factory specifications, the war
ranty will become void and any claim will be de
nied.