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Related Manuals for GORMAN-RUPP PUMPS GHS Series
Summary of Contents for GORMAN-RUPP PUMPS GHS Series
- Page 1 OM‐04391-04 December 1, 2005 Rev. H 07‐10‐19 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL ROTARY GEAR PUMPS MODELS GHS SERIES FLEXIBLE SEAL STAINLESS STEEL PUMPS D,G,J,N&R SIZES CONSTRUCTION CODE 9-B GORMAN‐RUPP PUMPS www.grpumps.com 2005 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:...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ........... PAGE I - 1 SAFETY - SECTION A . - Page 4 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR - SECTION E ....PAGE E - 1 PARTS KEY: Typical GHS SST Pump Model ..........PAGE E-3 PUMP DISASSEMBLY .
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Page 5: Introduction
GHS SST SERIES OM-04391 INTRODUCTION Thank You for purchasing a Gorman‐Rupp Rotary on design and components. Some models are Gear Pump. This manual is designed to help you not recommended for use with water; others achieve the best performance and longest life from when fitted with specific options, may be used your Gorman‐Rupp Rotary Gear pump. - Page 6 OM-04391 GHS SST SERIES The following are used to alert personnel to procedures which require special attention, to those which could damage equipment, and to those which could be dangerous to personnel: Hazards or unsafe practices which COULD Immediate hazards which will result in result in minor personal injury or product or severe personal injury or death.
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Page 7: Safety - Section A
GHS SST SERIES OM-04391 SAFETY - SECTION A This information is specific to Gorman‐Rupp GHS covered in this manual could lead to de Series stainless steel Rotary Gear Pumps. It ap struction of equipment, injury, or death. plies throughout this manual and any manual or literature accompanying the pump. - Page 8 OM-04391 GHS SST SERIES valves are installed with their adjusting 3. Refer to the instructions in this ends toward the suction port. If bi‐rota manual before restarting tional operation is required, a pressure pump. relief device must be provided for both directions of flow.
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Page 9: Installation - Section B
GHS SST SERIES OM-04391 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 tional, local and industry standards. -
Page 10: Preinstallation Inspection
OM-04391 GHS SST 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 Size plugs shipped with the pump remain in place Gallons... -
Page 11: Pump Installation
GHS SST SERIES OM-04391 Lifting NOTE Simple flushing of the wetted end of the pump to re Remove suction and discharge hose and piping move test liquid may not be sufficient to thoroughly before attempting to lift the pump. Use lifting equip clean the seal cavity. -
Page 12: Temperature Control
OM-04391 GHS SST SERIES keep the piping full of liquid. This will make priming ded that the jacket be plumbed with the incoming easier because the pump will not have to remove liquid entering the bottom of the jacket and exiting as much air in the line. -
Page 13: Barrier Liquids For 65E Cartridge Triple Lipseal
GHS SST SERIES OM-04391 It is not recommended that a foot valve be installed separation. The maximum barrier liquid pressure at the end of the suction line. If desired to install a that can be applied depends primarily on the maxi foot valve, consult the factory. -
Page 14: V-Belt Drives
OM-04391 GHS SST SERIES Align non‐spider type couplings by using a feeler gauge or taper gauge between the coupling halves every 90_. The coupling is in alignment when the hubs are the same distance apart at all points (see Figure B‐3). MISALIGNED: MISALIGNED: ALIGNED: SHAFTS... -
Page 15: Tension Measurement
GHS SST SERIES OM-04391 Tension Measurement For example, if the span as measured in Figure B‐5 is 32 inches (813 mm), the v‐belt cross‐section is C, the smallest sheave diameter is 8 inches, the pump Correct v‐belt tension can be achieved using a v‐ speed is 1250 RPM, and the belts are uncogged belt tension tester and Table B‐2 or B‐3. - Page 16 OM-04391 GHS SST 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 &...
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Page 17: Electrical Connections
GHS SST SERIES OM-04391 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 18: Operation - Section C
GHS SST SERIES OM-04391 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 decals attached to the pump. -
Page 19: Starting
OM-04391 GHS SST SERIES A change in operating noise when liquid first enters rection. If rotation is to be changed, the the pump is normal. After the pump is fully opera pressure relief valve must be re‐installed tional, monitor it for any unusual noises or vibra with the cap pointing toward the suction tion;... -
Page 20: Leakage
GHS SST SERIES OM-04391 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 21 GHS SST SERIES OM-04391 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 ing any covers, plates, or plugs.
- Page 22 OM-04391 GHS SST SERIES TROUBLESHOOTING CHART TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Internal clearance too great. PUMP FAILS Check and readjust clearance if re quired; see SETTING END CLEAR TO PRIME OR ANCE in Maintenance and Repair, Sec LOSES PRIME tion E. Air leak in suction line;...
- Page 23 GHS SST SERIES OM-04391 TROUBLESHOOTING CHART (Cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP REQUIRES Pump and/or drive mounting not Tighten mounting hardware; realign TOO MUCH secure; drive misaligned. drive. POWER (Cont.) Power source undersized. Check power requirements for applica tion; resize as required. Lubrication required.
- Page 24 OM-04391 GHS SST 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 pump wear is directly affected by such things as dence of deep or irregular grooves.
- Page 25 GHS SST SERIES OM-04391 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) End Clearance Pressure Relief Valve (If So Equipped)
- Page 26 The following illustrations cover disassembly and reassembly for the pump models shown below. Refer to the Parts List for your specific pump model. The Following Pumps Are Covered By This Manual GHS SERIES FLEXIBLE SEAL STAINLESS STEEL PUMPS D,G,J,N&R SIZES...
- Page 27 OM-04391 GHS SST SERIES 46168-052 Shown: Standard Model With 90_ Ports, Head‐Mounted Relief Valve and Optional Foot Bracket. Also Available With 180_ Ports And/Or Housing‐Mounted Relief Valve. A Coverplate Kit Replaces Either Relief Valve When Not Used. NOTE: Refer to Seal Appendix, Section F for details of the seal assembly and related components. Figure E-1.
- Page 28 GHS SST SERIES OM-04391 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 CAP -HEAD ASSEMBLY 07AJ -BRG SPACER (IF REQ'D) 01AA -HEAD -SOCKET HD SETSCREW...
- Page 29 OM-04391 GHS SST SERIES PUMP DISASSEMBLY AND and/or maintenance personnel to en sure that applications and/or mainte REASSEMBLY nance procedures not addressed in this manual are performed only after estab Review all SAFETY information in Section A. lishing that neither personal safety nor pump integrity are compromised by Follow the instructions on all tags, labels and such applications or procedures.
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Page 30: Optional Head Jacket
GHS SST SERIES OM-04391 rings be replaced whenever the pump is reas sembled. When reinstalling pump components after disas sembly, refer to Table E‐1 for hardware torque specifications. Bolt Dia. Torque (Inches) (In. Lbs.) 5/16 Figure E‐2. Typical Head Jacket Assembly 7/16 Rotor Adjusting Sleeve (07) Before attempting to remove the bearing locknut... -
Page 31: Coverplate Kit
OM-04391 GHS SST SERIES Disengage the hardware (B) and remove the bear Figure E‐3. Head Coverplate Kit, Head Kit ing retaining cap (07AD) and bearing spacer And Idler Disassembly (07AJ, if used) from the rotor adjusting sleeve Remove the hardware (BD and K) securing the (07AA). -
Page 32: Seal Removal (05)
GHS SST SERIES OM-04391 Seal Removal (05) 06A,06AA The seal assembly (05) is available in a variety of configurations. Check the Parts List furnished with your pump to identify the seal, then refer to Seal Appendix, Section F, for removal of the seal and related components. -
Page 33: Bushing Preparation
OM-04391 GHS SST SERIES Clean and inspect the pump parts (except the NOTE bearing and seal assembly) with a cloth soaked in When installing high temperature graphite bush ings, heat the part that receives the bushing to fresh cleaning solvent. Inspect all parts for exces 500_F and place the bushing in a freezer for at least sive wear or for any nicks or burrs. -
Page 34: Seal Installation (05)
GHS SST SERIES OM-04391 sized dowel to install the assembled throttle bush Head/Idler Kit (01 and 02) ing sleeve and throttle bushing in the backhead un (Figure E‐1 And E‐3) til fully seated. If the idler pin (01AB) was removed, apply “Loctite Install a new gasket (06B) over the throttle bushing PST No. -
Page 35: Coverplate Kit (11)
OM-04391 GHS SST SERIES coated with PTFE (DuPont Teflon or equivalent). til fully seated against the bearing. Install the head jacket gasket (01F) and secure the NOTE head jacket to the head with the capscrews (B). Part or all of the seal assembly (05) must be installed with the rotor adjusting sleeve. - Page 36 GHS SST SERIES OM-04391 BACKHEAD (06AA) BEVELED MARK Max. Visc. (SSU) NOTCH 750 2500 25,000 250,000 750 2500 25,000 250,000 HYD. SIZE Max. Temp. (_F) 225 225 400 400 DC, DE .004 .008 .004 .010 GC,GF,GH,GJ .004 .006 .008 .006 .008 .010 JG,JJ,JL,JP .004 .006 .008...
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Page 37: Relief Valve Disassembly
OM-04391 GHS SST SERIES Remove the optional gasket (10AP , if so equipped). RELIEF VALVE DISASSEMBLY Back off the adjustment capscrew (10AM) to re (Figure E‐7) lieve pressure on the spring(s) (10AE and/or 10AF). Unscrew the bonnet from the valve body (10AA) NOTE and remove the gasket (10AJ) or O‐ring (10C). - Page 38 GHS SST SERIES OM-04391 Install the jam nut (D) on the adjustment capscrew (10AM), and thread the capscrew into the bonnet until the desired height (“A”, Figure E‐7) is reached. Refer to the separate Parts List accompanying Never operate the pump without the ad your pump, and determine the specific hydraulic justing screw jam nut in place.
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Page 39: Relief Valve Installation (10)
OM-04391 GHS SST SERIES Relief Valve (10) Installation If the warning plate (10AB) has been removed, se cure it with the drive screws (BM). Lubricate and install the O‐ring(s) or gaskets (10C) on the housing assembly (04A) or the head assem bly (01A). -
Page 40: Seal Appendix - Section F
OM-04391 GHS SST SERIES SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT SEAL ASSY 06A BACKHEAD ASSY 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET CAP 07AJ BRG SPACER (IF REQ'D) 07F SEAT SLEEVEO‐RING 07H RETAINING CLIP SEAT SLEEVE... - Page 41 GHS SST SERIES OM-04391 Seal Removal gency, carefully wash all metallic parts in fresh cleaning solvent and allow to dry thoroughly. (Figures E‐1 and F‐1) See PUMP DISASSEMBLY and disassemble the pump up to and including the Rotor Adjusting Sleeve (07). As the rotor adjusting sleeve (07AA) is unscrewed from the backhead (06A), the seal sta...
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Page 42: Positive Locking Tandem Mechanical Seal (Option 60S)
OM-04391 GHS SST SERIES SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT FRONT MECH SEAL REAR MECH SEAL 05C STATIONARY SEAT O‐RING 06A BACKHEAD ASSY 06AR THR BRG SLV O‐RING 07B O‐RING SEAT SLEEVE 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING... - Page 43 GHS SST SERIES OM-04391 Seal Removal (Figures E‐1 and F‐2) See PUMP DISASSEMBLY and disassemble the Most cleaning solvents are toxic and pump up to and including the Rotor Adjusting flammable. Use them only in a well ven Sleeve (07). tilated area free from flame, sparks, and excessive heat.
- Page 44 OM-04391 GHS SST SERIES seat sleeve onto the shaft until the stationary ele Do not pressurize the reservoir. Pressurizing a tan ment seats against the rotating element. dem seal will cause the seal faces to separate, re sulting in leakage and/or damage to the seal. The barrier liquid should be supplied at atmospheric Slide the rear cartridge seal assembly into the rotor pressure only.
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Page 45: Double Positive Drive (Option 60J) Seal
GHS SST SERIES OM-04391 SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT SEAL ASSY 06A BACKHEAD ASSY 07B SEAT SLEEVEO‐RING 07AA ROTOR ADJ SLEEVE 07AB SEAT SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ (BRG SPACER (IF REQ'D) SETSCREW SHAFT KEY... - Page 46 OM-04391 GHS SST SERIES Seal Removal moved, use an arbor (or hydraulic) press to install the replacement sleeve in the throttle bushing (Figures E‐1 and F‐3) sleeve until fully seated. See PUMP DISASSEMBLY and disassemble the pump up to and including the Rotor Adjusting Clean the seal cavity and shaft with a cloth soaked Sleeve (07).
- Page 47 GHS SST SERIES OM-04391 Position the pump on a flat surface with the drive Fill the reservoir through the top fill plug hole end facing up. Lightly oil the shaft of the rotor/shaft (13AB) to the level of the shutoff valve (13AD). assembly (03A).
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Page 48: Optional Packing Seal
OM-04391 GHS SST SERIES SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT PACKING SEAL -PACKING RING(S) 05P -LANTERN RING 05S -SLINGER RING 06A BACKHEAD ASSY 06AF LUBE FITTING 06AK SEAT SLEEVE 07G GLAND 07H GLAND RETAINER (IF REQ'D) 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING... - Page 49 GHS SST SERIES OM-04391 Packing Seal Removal (Figures E‐1 and F‐4) If the pump is equipped with a split packing gland (07G) the pump does not need to be disassembled to remove the packing seal. Loosen the gland locknut (D) and remove the gland retainers (07H, if required) and split gland halves (07G).
- Page 50 OM-04391 GHS SST SERIES Some channel‐type packing with a lead core may If the pump is equipped with a split packing gland require a slight gap between packing rings to allow (07G), position the split gland halves on the shaft for expansion.
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Page 51: Cartridge Seal (General)
GHS SST SERIES OM-04391 SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT CARTRIDGE SEAL ASSY 06A BACKHEAD ASSY 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET CAP 07AJ BRG SPACER (IF REQ'D) CAPSCREW DEFORM LOCKNUT FLAT WASHER... - Page 52 OM-04391 GHS SST SERIES Seal Removal If a replacement seal is being used, unwrap the mechanical seal components. (Figures E‐1 and F‐5) Lightly lubricate the seal area of the shaft using a See PUMP DISASSEMBLY and remove the Rotor soft hand soap and water solution, glycerine or sili Adjusting Sleeve (07).
- Page 53 GHS SST SERIES OM-04391 then re‐tighten the gland nuts. Repeat the process tate the seal centering clips (if so equipped) 90_. as required to ensure seal/shaft concentricity. Install seal piping as required, or ensure that seal After the seal is properly centered on the shaft, ro ports are plugged.
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Page 54: Option 65E Cartridge Lip Seal ("D" Size Only)
OM-04391 GHS SST SERIES SEAL APPENDIX - SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY 03B BRG LOCKWASHER 03C BEARING LOCKNUT 05B SEAL ASSY 05C SHAFT O‐RING 06AA BACKHEAD 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT SETSCREW SHAFT KEY PIPE PLUG ASSEMBLED VIEW... - Page 55 GHS SST SERIES OM-04391 Seal Removal See Pump Reassembly, Section E, and as semble the housing assembly (04), backhead kit (Figures E‐1 and F‐6) (06) and rotor/shaft assembly (03). See PUMP DISASSEMBLY and disassemble the Clean the seal cavity with a cloth soaked in fresh pump up to and including the Rotor Adjusting cleaning solvent.
- Page 56 OM-04391 GHS SST SERIES SEAL APPENDIX - SECTION F PARTS KEY ASSEMBLED VIEW 16703-9 Figure F‐7. Option 60S Positive Locking Tandem Mechanical Seal (“D” Size Only) SEAL APPENDIX PAGE F - 17...
- Page 57 GHS SST SERIES OM-04391 Seal Removal (Figures E‐1 and F‐7) See PUMP DISASSEMBLY and disassemble the Most cleaning solvents are toxic and pump up to and including the Rotor Adjusting flammable. Use them only in a well ven Sleeve (07). tilated area free from flame, sparks, and excessive heat.
- Page 58 OM-04391 GHS SST SERIES seat sleeve onto the shaft until the stationary ele Do not pressurize the reservoir. Pressurizing a tan ment seats against the rotating element. dem seal will cause the seal faces to separate, re sulting in leakage and/or damage to the seal. The barrier liquid should be supplied at atmospheric Slide the rear cartridge seal assembly into the rotor pressure only.
- Page 59 GHS SST SERIES OM-04391 Application Pa Environmental Control rameters Less than No barrier liquid re 10,000 SSU quired, but is still rec ommended (for ex Less than 100 tended seal life). Less than 100 psi. Less than 150_F Greater than 150 A pressurized barrier Barrier at 25-50% psi.
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Page 60: O-Ring Appendix - Section G
GHS SST SERIES OM-04391 O‐RING APPENDIX - SECTION G Ref. Description Hyd. Dash No. Ref. Description Hyd. Dash No. Size Size Head to Shaft Sleeve Housing to Shaft Head Jacket 10AG Spring to Head Guide to Bonnet Housing to 10AJ Bonnet to Backhead Valve Body... - Page 61 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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