GORMAN-RUPP PUMPS GMS Series Installation, Operation And Maintenance Manual
  1. Manuals
  2. Brands
  3. GORMAN-RUPP PUMPS Manuals
  4. Water Pump
  5. GMS Series
  6. Installation, operation and maintenance manual

GORMAN-RUPP PUMPS GMS Series Installation, Operation And Maintenance Manual

Rotary gear pumps, s & t sizes
Hide thumbs Also See for GMS Series:
Table of Contents

Advertisement

Quick Links

Download this manual
TVXY
OM-04910
August 12, 1998
Rev. B 01/25/00
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
ROTARY GEAR PUMPS
MODELS
GMS SERIES PUMPS
S & T SIZES
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
D
Printed in U.S.A.
E
Copyright by the Gorman-Rupp Company

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GMS Series and is the answer not in the manual?

Questions and answers

Related Manuals for GORMAN-RUPP PUMPS GMS Series

Summary of Contents for GORMAN-RUPP PUMPS GMS Series

  • Page 1 August 12, 1998 Rev. B 01/25/00 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL ROTARY GEAR PUMPS MODELS GMS SERIES PUMPS S & T SIZES THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by the Gorman-Rupp Company...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ........... PAGE I --- 1 SAFETY --- SECTION A .
  • Page 4 TABLE OF CONTENTS (continued) ASSEMBLED GMS S & T SIZE PUMP MODEL ILLUSTRATION ..... . PAGE E---4 PUMP DISASSEMBLY ............PAGE E---5 Preparing for Disassembly .

  • Page 5: Introduction

    GMS SERIES OM -- 04910 INTRODUCTION Thank You for purchasing a Gorman-Rupp Rotary If there are any questions regarding the pump or Gear Pump. This manual is designed to help you drive unit which are not covered in this manual or...
  • Page 6 OM -- 04910 GMS 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.

  • Page 7: Safety

    GMS SERIES OM -- 04910 SAFETY --- SECTION A covered in this manual could lead to de- This information is specific to Gorman-Rupp GMS Series Rotary Gear Pumps. It applies throughout struction of equipment, injury, or death. this manual and any manual or literature ac- companying the pump.
  • Page 8 OM -- 04910 GMS 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.

  • Page 9: Installation

    OM -- 04910 GMS SERIES 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 -- 04910 GMS 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

    OM -- 04910 GMS SERIES To flush the pump, use an approved solvent com- heavy enough to absorb any vibration, strain or patible with the liquid being pumped. Make cer- shock. tain that the solvent will not attack pump com- ponents, particularly seals and gaskets.

  • Page 12: Strainers

    OM -- 04910 GMS SERIES Valves keep the piping full of liquid. This will make priming easier because the pump will not have to remove as much air in the line. To avoid air pockets, install piping valves with the stem horizontal.

  • Page 13: V-Belt Drives

    OM -- 04910 GMS SERIES belts are a matched set; unmatched sets will cause accelerated belt wear. Figure B-2. Spider-type Couplings 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).

  • Page 14: Tension Measurement

    OM -- 04910 GMS SERIES from dirt, grease, oil and other foreign material For example, if the span as measured in Figure B-5 which may cause slippage. is 32 inches (813 mm), the v-belt cross-section is C, the smallest sheave diameter is 8 inches, the pump...
  • Page 15 OM -- 04910 GMS 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 &...
  • Page 16 OM -- 04910 GMS SERIES alified electrician to make all electrical sphere. Install, connect, and operate connections. the motor in accordance with The Na- tional Electrical Code and all local codes. If there is a conflict between the instructions in the manual accompany-...

  • Page 17: Operation

    GMS SERIES OM -- 04910 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 18: Starting

    OM -- 04910 GMS SERIES must be switched (see Housing Assem- --- Section D. bly under PUMP REASSEMBLY, Section A change in operating noise when liquid first enters the pump is normal. After the pump is fully opera- If a 3-phase motor is being used and rotation is in-...

  • Page 19: Strainer Check

    GMS SERIES OM -- 04910 Strainer Check If a strainer has been installed in the suction line, If operating at high temperatures, allow the monitor vacuum gauge readings to detect block- age. Check the strainer if flow rate begins to drop.
  • Page 20 OM -- 04910 GMS SERIES When handling liquids that solidify when at rest (tar, glue, etc.), flush the pump and piping with an approved solvent compatible with the pump com- ponents and the liquids being pumped. PAGE C-- 4 OPERATION...
  • Page 21 GMS SERIES OM -- 04910 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 -- 04910 GMS 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 23: Troubleshooting

    GMS SERIES OM -- 04910 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- tion;...

  • Page 24: Preventive Maintenance

    OM -- 04910 GMS SERIES PREVENTIVE MAINTENANCE Check the thrust washer, idler bushing, idler pin, idler assembly, shaft bushing and rotor/shaft as- sembly at each inspection. Wear patterns should Since pump applications are seldom identical, and be uniform, without evidence of deep or irregular pump wear is directly affected by such things as grooves.
  • Page 25 The sectional views cover disassembly and reassembly for the pump models shown be- low. Refer to the Parts List for your specific pump model. The Following Pumps Are Covered By This Manual. GMS SERIES PUMPS S & T SIZES MAINTENANCE AND REPAIR...
  • Page 26 OM -- 04910 GMS SERIES SEAL AND RELATED COMPONENTS (SEE SECTION F) Shown: Standard S Size Model With 90 Ports, Removeable Foot Bracket, Backhead Cooling Jacket And Head- Mounted Relief Valve. Cast Foot Bracket Standard on T Size Models. All Models Available With Head Jacket. Cover- plate Kit Replaces Relief Valve When Not Used.

  • Page 27: Parts Key

    GMS SERIES OM -- 04910 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 ---BACKHEAD CAPSCREW ---HEAD ASSEMBLY ---THRUST WASHER 01AA ---HEAD...
  • Page 28 All versions available with Packing Seal and Head Jacket. All versions provided with Backhead Jacket. GMS Series S & T Size Standard Pump 90_ PORTS, HEAD-MOUNTED RELIEF VALVE, FOOT BRACKET GMS Series S & T Size Optional Pump...

  • Page 29: Pump Disassembly

    GMS SERIES OM -- 04910 PUMP DISASSEMBLY AND sure that applications and/or mainte- nance procedures not addressed in this REASSEMBLY manual are performed only after estab- lishing that neither personal safety nor Review all SAFETY information in Section A. pump integrity are compromised by Follow the instructions on all tags, labels and such applications or procedures.

  • Page 30: Pressure Relief Valve

    OM -- 04910 GMS SERIES pump assembly. Retain all connection parts such 01AA as shaft keys, etc. 11AA Use a hoist and sling with sufficient capacity to position the pump in a suitably sized drain pan or 01AB surround the pump with absorbant material. Some pumps are equipped with drain plugs in the head and backhead.

  • Page 31: Seal Gland Removal (06I)

    GMS SERIES OM -- 04910 parts have sharp edges which will grow and the rotor shaft assembly (03A). These sharper with use. parts have sharp edges which will grow sharper with use. NOTE The idler bushing (02B) may be damaged during With the seal removed, slide the rotor/shaft assem- removal.

  • Page 32: Bushing Preparation

    OM -- 04910 GMS SERIES excessive heat. Read and follow all pre- the backhead (06AA) until it is just flush with the cautions printed on solvent containers. head end of the backhead. If removed, press the backhead pins (S) into the Clean and inspect the pump parts (except the seal holes in the backhead (06A) until full seated.

  • Page 33: Coverplate Kit

    GMS SERIES OM -- 04910 NOTE Seal Gland Installation (06I) When properly installed, the pin will be positioned NOTE 0.010 inch below the surface of the crescent. Part of the seal assembly (05) may be installed with the seal gland (06I). Check the Parts List furnished...

  • Page 34: Relief Valve Disassembly (S Hydraulic Size Only)

    OM -- 04910 GMS SERIES CLEARANCE HOUSING 25,000 SSU 250,000 SSU Feeler Gauge ASSY 300_ _ _ _ F 500_ _ _ _ F Reading (149_ _ _ _ C) (260_ _ _ _ C) BACKHEAD 0.000--- 0.007 (1) 0.015 (1) 0.030...

  • Page 35: Relief Valve Reassembly (S Hydraulic Size Only)

    GMS SERIES OM -- 04910 PARTS KEY 10AA VALVE BODY 10AB WARNING PLATE 10AD POPPET 10AE SPRING 10AF SPRING (OPTIONAL) 10AH SPRING GUIDE 10AJ BONNET GSKT (OPTL) 10AK BONNET 10AM CAPSCREW 10AN CAP 10AP CAP GSKT (OPTIONAL) 10AR TAG (OPTIONAL)
  • Page 36 OM -- 04910 GMS SERIES compressed too far for the valve to damage to the pump and possible injury open. If the valve does not open, exces- to personnel. sive pressure can develop, causing PUMP SINGLE CRACKING DIMENSION DOUBLE CRACKING...

  • Page 37: Relief Valve Installation

    GMS SERIES OM -- 04910 RELIEF VALVE REASSEMBLY Insert the poppet (10AD), finned end first, into the valve body (10AA). Install the spring(s) (10AE and/ (T Hydraulic Size Only) or 10AF). Make certain that the spring (10AE) fits over the spring guide (10AH), and the optional (Figure E-6) spring (10AF, if used) fits into the guide.
  • Page 38 OM -- 04910 GMS SERIES adjusting ends toward the suction port. If bi-rotational operation is required, a pressure relief device must be provided for both directions of flow. Operation Do not return the pump to service with- without a pressure relief valve or with an...

  • Page 39: Seal Appendix

    OM -- 04910 GMS SERIES SEAL APPENDIX --- SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY MECH SEAL ASSY 05A CARTRIDGE SLEEVE 06A BACKHEAD ASSY 06E RTR THRUST WASHER CART SEAL GLAND 06P TUBE 06R TUBE FITTING 06AE SHAFT BUSHING CAPSCREW...
  • Page 40 GMS SERIES OM -- 04910 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 Seal Gland Removal (06I).

  • Page 41: Option 60N Positive Drive Seal

    OM -- 04910 GMS SERIES SEAL APPENDIX --- SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY FRONT LIP SEAL 05A CARTRIDGE SLEEVE 06A BACKHEAD ASSY 06E RTR THRUST WASHER CART SEAL GLAND 06P TUBE 06R TUBE FITTING 06AE SHAFT BUSHING CAPSCREW...
  • Page 42 GMS SERIES OM -- 04910 Seal Removal during reassembly. This could result in premature failure. If necessary to reuse an old seal in an emer- gency, carefully wash all metallic parts in fresh (Figures E-1 and F-2) cleaning solvent and allow to dry thoroughly.

  • Page 43: Standard 65 And Option 65Q Packing Seals

    OM -- 04910 GMS SERIES SEAL APPENDIX --- SECTION F PARTS KEY 03A ROTOR/SHAFT ASSY PACKING KIT 05A CARTRIDGE SLEEVE 06A BACKHEAD ASSY 06E RTR THRUST WASHER CART SEAL GLAND 06P TUBE 06R TUBE FITTING 06AE SHAFT BUSHING CAPSCREW SHAFT KEY...
  • Page 44 GMS SERIES OM -- 04910 Seal Removal packing will be used, prepare and install it in accor- dance with the steps outlined below in order to en- (Figures E-1 and F-3) sure that the packing will form a tight seal.
  • Page 45 OM -- 04910 GMS SERIES blunt ended sleeve (split in half, same diameter as the seal gland) and mallet. Each successive layer must be compressed and rotated by 90_ to prevent excessive leakage. Be sure the hole in the lantern ring is aligned with the port for the lubrication fitting (06AF) when the packing is fully compressed.
  • Page 46 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...

Table of Contents