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OM-05845-01
January 17, 2006
Rev. D 04‐09‐18
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
ROTARY GEAR PUMPS
MODEL
GHC SERIES
" J" PUMPS
For
The Ariel Corporation
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
2006 The Gorman‐Rupp Company
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Summary of Contents for GORMAN-RUPP GHC Series
- Page 1 OM-05845-01 January 17, 2006 Rev. D 04‐09‐18 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL ROTARY GEAR PUMPS MODEL GHC SERIES “ J” PUMPS The Ariel Corporation THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA 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 LISTS: GHC3JL3-B /S1, GHC3JL3-B /S2, GHC3JL3-B /S3, GHC3JP3-B /S1, GHC3JP3-B /S2 PAGE E-3...
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Page 5: Introduction
GHC SERIES OM-05845 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-04352 GHC 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: Immediate hazards which will result in Hazards or unsafe practices which COULD severe personal injury or death.
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Page 7: Safety - Section A
GHC SERIES OM-05845 SAFETY - SECTION A This information is specific to Gorman‐Rupp GHC covered in this manual could lead to de Series Rotary Gear Pumps made for The Ariel Cor struction of equipment, injury, or death. poration. It applies throughout this manual and any manual or literature accompanying the pump. - Page 8 OM-05845 GHC SERIES valves are installed with their adjusting ends toward the suction port. If bi‐rota tional operation is required, a pressure relief device must be provided for both An overheated pump can cause severe directions of flow. Operation without a burns and injury.
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Page 9: Installation - Section B
GHC SERIES OM-05845 INSTALLATION - SECTION B GENERAL INFORMATION Typical Pump Model GHS 1 1/2 Review all SAFETY information in Section A. Design Port Hydraulic Construction Style Size Size Code Pumps and related equipment must be in Design Style: Gorman‐Rupp rotary gear pumps stalled and operated according to all na... -
Page 10: Preinstallation Inspection
OM-05845 GHC 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 11: Pump Installation
GHC SERIES OM-05845 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... -
Page 12: Gauges
OM-05845 GHC SERIES keep the piping full of liquid. This will make priming age to the equipment and/or serious in easier because the pump will not have to remove jury to personnel. as much air in the line. Gauges Housing Position Std. 180_ Pump Install a vacuum gauge in the suction line and a dis... -
Page 13: Alignment
GHC SERIES OM-05845 ALIGNMENT Make certain that power to the drive unit is disconnected before attempting to connect the pump drive; otherwise, per sonal injury may result. Figure B‐3. Aligning Non‐Spider Type Coupling NOTE Check parallel adjustment by laying a straightedge... -
Page 14: V-Belt Tensioning
OM-05845 GHC SERIES Select pulleys to match the proper speed ratio; Belt Span overspeeding the pump may damage both pump and power source. Deflection Do not operate this pump without guards in place over the rotating parts. Exposed rotating parts can catch cloth... - Page 15 GHC SERIES OM-05845 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 16: Electrical Connections
OM-05845 GHC SERIES ELECTRICAL CONNECTIONS Before connecting an electric motor to incoming power, check that the electrical service available matches the pump motor requirements stamped Do not install and operate a non‐explo on the motor nameplate. sion proof motor in an explosive atmo... -
Page 17: Operation - Section C
GHC SERIES OM-05845 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-05845 GHC SERIES A change in operating noise when liquid first enters manufactured to rotate in one specific di the pump is normal. After the pump is fully opera rection. If rotation is to be changed, the tional, monitor it for any unusual noises or vibra... -
Page 19: Leakage
GHC SERIES OM-05845 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
GHC SERIES OM-05845 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-05845 GHC 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.
- Page 22 GHC SERIES OM-05845 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 Power source undersized. Check power requirements for applica (Cont.) tion; resize as required.
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Page 23: Preventive Maintenance
OM-05845 GHC 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 GHC SERIES OM-05845 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)
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Page 25: Ghc3Jl3-B /S1, Ghc3Jl3-B /S2, Ghc3Jl3-B /S3, Ghc3Jp3-B /S1, Ghc3Jp3-B /S2
GHC SERIES OM-05845 MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. Pump Model Your pump model number and serial number are shown on the name plate affixed to the pump. - Page 26 OM-05845 GHC SERIES PARTS PAGE 46167-954 Shown: GHC3JL3-B /S2 Figure E-1. GHC3JL3-B /S1, GHC3JL3-B /S2, GHC3JL3-B /S3, GHC3JP3-B /S1, GHC3JP3-B /S2, GHC2JJ3-B /S1 and GHC2JJ3-B /S2 Pump Models PAGE E-2 MAINTENANCE AND REPAIR...
- Page 27 GHC SERIES OM-05845 PARTS LISTS GHC3JL3-B /S1, GHC3JL3-B /S2 and GHC3JL3-B /S3 Pump Models ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE NUMBER CODE HEAD KIT 48252-940 -HEX HD CAPSCREW B0805 15991 -“ JL ” HEAD ASSY...
- Page 28 OM-05845 GHC SERIES GHC2JJ3-B /S1, GHC2JJ3-B /S2 Pump Models ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE NUMBER CODE HEAD KIT 48252-919 07AA--“ J” RTR ADJ SLEEVE 31788-405 10000 -“ JJ” HEAD ASSY 42222-459 07AC --BALL BEARING 23431-007 01AA--“...
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Page 29: Pump Disassembly
GHC SERIES OM-05845 PUMP DISASSEMBLY AND manual are performed only after estab lishing that neither personal safety nor REASSEMBLY pump integrity are compromised by such applications or procedures. Review all SAFETY information in Section A. Follow the instructions on all tags, labels and decals attached to the pump. -
Page 30: Pressure Relief Valve
OM-05845 GHC SERIES bled. (07AC), never hit or press against the inner race. Press only against the outer race. Pressure Relief Valve (10) The pressure relief valve (10A) can be mounted on either the head assembly (01A, see Figure 1) or the housing assembly (04, see Figure 2)). -
Page 31: Seal Removal (05)
GHC SERIES OM-05845 Remove the seal stationary seat and O‐ring from the rotor adjusting sleeve assembly. Use caution not to damage the stationary seat sealing face. Remove the rotor adjusting sleeve O‐ring (07B). Use caution to prevent the idler assembly from dropping off the idler pin;... -
Page 32: Pump Reassembly
OM-05845 GHC SERIES small pipe plug under the larger, outer pipe plug. This plug must be removed to change rotation. The bearing is permanently sealed and re quires no additional lubrication except a coating of light oil on external surfaces to If the direction of pump rotation is ease reassembly. -
Page 33: Backhead Kit (06)
GHC SERIES OM-05845 in the 12 o'clock position (see Figure E‐4). Secure with the capscrews (B). Rotor/Shaft Assembly (03) If the socket head pipe plugs (P) in the Inspect the rotor/shaft assembly (03A) for exces back side of the housing were removed in sive wear, scoring or scratches along the shaft order to change the direction of pump rota... - Page 34 OM-05845 GHC SERIES faces are clean, undamaged and free if any foreign Lightly oil the I.D. of the idler (02A), and use an ar matter. Set aside and cover the seal stationary ele bor (or hydraulic) press to install the idler bushing ment and O‐ring;...
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Page 35: Setting End Clearance
GHC SERIES OM-05845 the shaft. Screw the rotor adjusting sleeve into the BACKHEAD (06AA) BEVELED MARK backhead until the rotor bottoms against the head. NOTCH It is recommended that a new bearing lock washer (03B) be installed any time the ro... -
Page 36: Relief Valve Disassembly
OM-05845 GHC SERIES ment capscrew (10AM) to relieve pressure on the RELIEF VALVE DISASSEMBLY spring(s) (10AE and/or 10AF). (Figure E‐6) NOTE Unscrew the bonnet from the valve body (10AA). If the relief valve is low pressure, it will have one in... -
Page 37: Relief Valve Installation (10)
GHC SERIES OM-05845 Install the jam nut (D) on the adjustment capscrew Never operate the pump without the ad (10AM), and thread the capscrew into the bonnet justing screw jam nut in place. Other until the desired height (“A”, Figure E‐6) is reached. - Page 38 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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