Related Manuals for GORMAN-RUPP GHS Series
Summary of Contents for GORMAN-RUPP GHS Series
- Page 1 OM-04707-04 December 10, 2020 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL ROTARY GEAR PUMPS MODELS GHS SERIES FLEXIBLE SEAL T SIZE PUMPS GORMAN‐RUPP PUMPS www.grpumps.com 2020 Gorman‐Rupp Pumps 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. 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
TABLE OF CONTENTS INTRODUCTION ........... PAGE I - 1 SAFETY - SECTION A . - Page 4 TABLE OF CONTENTS (continued) PARTS KEY: Typical GHS T Pump Model ..........PAGE E-3 PUMP DISASSEMBLY AND REASSEMBLY .
-
Page 5: Introduction
GHS SERIES OM-04707 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. HAZARD AND INSTRUCTION Read this manual carefully to learn how to safely DEFINITIONS install and operate your pump. Failure to do so could result in personal injury or damage to the The following are used to alert maintenance per... -
Page 6: Safety - Section A
GHS SERIES OM-04707 SAFETY - SECTION A This information is specific to Gorman‐Rupp GHS covered in this manual could lead to de Series Rotary Gear Pumps. It applies throughout struction of equipment, injury, or death. this manual and any manual or literature ac... - Page 7 OM-04707 GHS SERIES 3. Allow the pump to completely cool if overheated. 4. Close the discharge and suction valve (if used). Never operate the pump without a pres sure relief valve installed on the pump or in the discharge piping. Make certain that pump‐mounted pressure relief...
-
Page 8: Installation - Section B
GHS SERIES OM-04707 INSTALLATION - SECTION B Review all SAFETY information in Section A. Typical Pump Model GHS 1 1/2 Design Port Hydraulic Construction Style Size Size Code Pumps and related equipment must be in stalled and operated according to all na... -
Page 9: Preinstallation Inspection
OM-04707 GHS SERIES Table B‐1. Theoretical Displacement If the pump will not be immediately installed, follow these procedures or damage to the pump will oc cur. Theoretical Displacement Hydraulic Per Revolution a. Do not flush the pump. Ensure that the port... -
Page 10: Pump Installation
GHS SERIES OM-04707 * Maximum Operating Parameters Pressure 200 psi (14 Bar) Speed 520 rpm Temperature 500_F (260_C) Most cleaning solvents are toxic and flammable. Use them only in a well ven * Consult Factory for Specific Ratings tilated area free from flame, sparks, and excessive heat. -
Page 11: Piping
OM-04707 GHS SERIES Mount the base on a foundation that will provide zontal suction line is necessary, install the line be permanent, rigid support for the pump, and will be low the liquid level whenever possible in order to heavy enough to absorb any vibration, strain or keep the piping full of liquid. -
Page 12: Sealing
GHS SERIES OM-04707 Sealing Barrier Liquids for Dual Seals Pumps equipped with dual seals require a barrier Even a slight leak will affect priming, head, and ca liquid to prevent contamination of the seal assem pacity, especially in a suction lift application. Seal bly by the liquid being pumped. -
Page 13: V-Belt Drives
OM-04707 GHS SERIES shaft in both the horizontal and vertical planes. V‐Belt Drives Most couplings require a specific gap or clearance When using V‐belt drives, the power source and between the driving and the driven shafts. Refer to the pump must be parallel. Use a straightedge the coupling manufacturer's service literature. -
Page 14: Tension Measurement
GHS SERIES OM-04707 Ideal v‐belt tension is the lowest tension at which of 64 inches would require a deflection of 1 inch at the belt will not slip under peak load conditions. Do the force shown on the Tables for your particular not over‐tension v‐belts. - Page 15 OM-04707 GHS SERIES Table B‐2. Sheave Diameter (In.) Table B‐3. Sheave Diameter (Mm.) 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 &...
-
Page 16: Electrical Connections
GHS SERIES OM-04707 ELECTRICAL CONNECTIONS Before connecting an electric motor to incoming power, check that the electrical service available Do not install and operate a non‐explo matches the pump motor requirements stamped sion proof motor in an explosive atmo on the motor nameplate. -
Page 17: Operation - Section C
GHS SERIES OM-04707 OPERATION - SECTION C Review all SAFETY information in Section A. Open all valves in the suction and discharge lines, and close all drain valves. Follow the instructions on all tags, labels and If your pump is equipped with a packing seal, loos... -
Page 18: Starting
OM-04707 GHS SERIES any two of the 3‐phase wires to change the direc A change in operating noise when liquid first enters tion of rotation. If a 1‐phase motor is being used the pump is normal. After the pump is fully opera... -
Page 19: Leakage
GHS SERIES OM-04707 Cracking Pressure Cracking pressure is the pressure at which the pressure relief valve first begins to open and by Never introduce air or steam pressure pass fluid. The nominal cracking pressure of the re into the pump housing to remove a lief valve provided with this pump is set at the facto... -
Page 20: Troubleshooting - Section D
GHS SERIES OM-04707 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. Allow the pump to completely cool if overheated. 3. Check the temperature before open... - Page 21 OM-04707 GHS SERIES TROUBLESHOOTING CHART TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP FAILS Air leak in suction line; end of suction Check and correct as required. line not submerged; foot valve blocked TO PRIME OR or jammed; insufficient liquid in sump or LOSES PRIME tank.
- Page 22 GHS SERIES OM-04707 TROUBLESHOOTING CHART (Cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP RE Pump and/or drive mounting not Tighten mounting hardware; realign QUIRES secure; drive misaligned. drive. TOO MUCH POWER Power source undersized. Check power requirements for applica (Cont.) tion; resize as required.
-
Page 23: Preventive Maintenance
OM-04707 GHS SERIES Check the thrust washer (medium duty models), PREVENTIVE MAINTENANCE idler bushing, idler pin, idler assembly, shaft bush ing and rotor/shaft assembly at each inspection. Since pump applications are seldom identical, and Wear patterns should be uniform, without evi... - Page 24 GHS SERIES OM-04707 Preventive Maintenance Schedule Service Interval* Item Daily Weekly Monthly Semi‐ Annually Annually General Condition (Temperature, Unusual Noises or Vibrations, Cracks, Leaks, Loose Hardware, Etc.) Pump Performance (Gauges, Speed, Flow) Bearings Seal Lubrication (And Packing Adjustment, If So Equipped) V‐Belts (If So Equipped)
- Page 25 GHS SERIES OM-04707 MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. Pump Model NOTE A separate Parts List is shipped with each pump. Below the pump model number on the Parts List is a grouping of several alpha‐numeric codes.
- Page 26 OM-04707 GHS SERIES 46167-312 Shown: Standard Model With 90 Ports and Style Head‐Mounted Relief Valve. Also Available With Jacketed Backhead and Head Jacket. A Coverplate Kit Replaces the Relief Valve When Not Used. NOTE: Refer to Seal Appendix, Section F for details of the Seal Assembly and Related Components.
-
Page 27: Parts Key
GHS SERIES OM-04707 PARTS KEY FOR FIGURE E‐1 Note: Item numbers cross reference to specific part numbers on the separate Parts List. ITEM PART NAME ITEM PART NAME HEAD KIT 07AD -BEARING RETAINING PLATE -HEAD ASSEMBLY -SOCKET HD SETSCREW 01AA... -
Page 28: Pump Disassembly And Reassembly
How ever, this manual cannot possibly pro Use Only Genuine Gorman-Rupp re vide detailed instructions and precau placement parts. Failure to do so may cre tions for each specific application or for ate a hazard and damage the pump or di... -
Page 29: Pump Disassembly
GHS SERIES OM-04707 and backhead. Remove the plug(s) and drain the NOTE pump before proceeding with disassembly. When appropriate recycling facilities are available, the user should recycle components and fluids Pressure Relief Valve (10) when doing any routine maintenance / repairs and also at the end of the pump’s useful life. -
Page 30: Coverplate Kit (11)
OM-04707 GHS SERIES This will prevent the rotor from turning as the lock Figure E‐4. Head Coverplate Kit, Head Kit nut is unscrewed. And Idler Disassembly Disengage the hardware (B) and separate the cov Straighten the tab on the bearing lockwasher (03B) erplate (11AA) from the head (01AA). -
Page 31: Seal Removal (05)
GHS SERIES OM-04707 the idler pin (01AB) facing down and remove the Cleaning and Inspection idler pin (01AB) from the head (01AA). Seal Removal (05) Most cleaning solvents are toxic and The seal assembly (05) is available in a variety of flammable. -
Page 32: Backhead Kit (06)
OM-04707 GHS SERIES Head/Idler Kit (01 and 02) will crack if improperly installed. Use a press to install the bushing with one contin (Figure E‐1 And E‐4) uous motion until the bushing is fully seated. Stopping in mid‐stroke will cause If the idler pin (01AB) was removed, apply “Loctite... -
Page 33: Setting End Clearance
GHS SERIES OM-04707 adjusted as required as part of a regular preventive maintenance schedule, when performance drops or the pump is disassembled. If disassembled, reassemble the rotor adjusting sleeve kit as pre When removing or installing the bearing viously indicated, then proceed as follows for ad... -
Page 34: Relief Valve Disassembly (T Hydraulic Size Only)
OM-04707 GHS SERIES RELIEF VALVE DISASSEMBLY Pump Hydraulic Code Rotor Trim (T Hydraulic Size Only) Code (Figure E‐7) .008 NOTE If the relief valve is low pressure, it will have one in ternal spring (10AE). If the relief valve is high pres... -
Page 35: Relief Valve (10) Installation
GHS SERIES OM-04707 Refer to the separate Parts List accompanying cause the pump to explode, resulting in your pump and determine the spring option code serious injury or death to personnel. (STD, 25D, etc.) for your pump. See Table E-3 and... -
Page 36: Seal Appendix - Section Fpage
GHS SERIES OM-04707 SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BRG LOCKNUT SHAFT KEY SEAL ASSY 06A BACKHEAD ASSY 06P SEAL VENT TUBE 06R SEAL VENT TUBE FTG PIPE PLUG 07AA ROTOR ADJ SLEEVE... - Page 37 OM-04707 GHS SERIES Seal Removal failure. If necessary to reuse an old seal in an emer gency, carefully wash all metallic parts in fresh (Figures E‐1 and F‐1) cleaning solvent and allow to dry thoroughly. See PUMP DISASSEMBLY and disassemble the pump up to and including the rotor adjusting sleeve (07AA).
- Page 38 GHS SERIES OM-04707 Carefully slide the rotor adjusting sleeve and as sembly (06A). sembled stationary seat over the shaft and screw the rotor adjusting sleeve into the backhead as Proceed with PUMP REASSEMBLY, Section E. SEAL APPENDIX PAGE F - 3...
-
Page 39: Optional 60D Positive Drive Mechanical Seal
OM-04707 GHS SERIES SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BRG LOCKNUT SHAFT KEY SEAL ASSY 05D SEAL SPACER SLEEVE 06A BACKHEAD ASSY 06P SEAL VENT TUBE 06R SEAL VENT TUBE FTG PIPE PLUG... - Page 40 GHS SERIES OM-04707 Seal Removal Clean the seal cavity and shaft with a cloth soaked in fresh cleaning solvent. (Figures E‐2 and F‐1) See PUMP DISASSEMBLY and disassemble the pump up to and including the rotor adjusting sleeve (07AA). The rotor/shaft assembly (03A) Most cleaning solvents are toxic and does not need to be removed to remove the seal.
- Page 41 OM-04707 GHS SERIES seal spacer sleeve (05D) and rotating portion of the Lubricate the stationary element O‐ring. Align the seal onto the shaft until fully seated against the hole in the back of the stationary element with the shaft clip (07H).
-
Page 42: Standard Packing Seal
GHS SERIES OM-04707 SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT SHAFT KEY PACKING KIT -PACKING RING(S) 05P -LANTERN RING 05S -SLINGER RING 06A BACKHEAD 06AF LUBE FITTING PIPE PLUG 07AA ROTOR ADJ SLEEVE... - Page 43 OM-04707 GHS SERIES Packing Seal Removal (Figures E‐1 and F‐3) The pump does not need to be disassembled to re move the packing seal. Remove the gland retainer nuts (D) and bolts (B). Slide the split gland (07G) out of the seat sleeve (06AK).
- Page 44 GHS SERIES OM-04707 for expansion. Consult the packing manufacturer's the seal bore and compress it using a blunt ended installation instructions and follow the recommen sleeve (split in half, same diameter as the split dations. glands) and mallet. Each successive layer must be compressed and rotated by 90 to prevent exces...
-
Page 45: O-Ring Appendix - Section G
GHS SERIES OM-04707 O‐RING APPENDIX - SECTION G O‐RING FAMILY NUMBERS Ref. Description Hyd. Dash No. Size Head Jacket 5‐DIGIT FAMILY O‐RING MATERIAL to Head 25151-*** NEOPRENEr Housing to Backhead 25152-*** BUNA‐N Seat Sleeve to Backhead 25154-*** VITONr Seat Sleeve... - Page 46 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...
Need help?
Do you have a question about the GHS Series and is the answer not in the manual?
Questions and answers