GORMAN-RUPP OM-05450-04 Installation, Operation And Maintenance Manual Download Page 61

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OM-05450

GHS SERIES

PAGE F - 20

SEAL APPENDIX

then re‐tighten the gland nuts. Repeat the process
as required to ensure seal/shaft concentricity.

After the seal is properly centered on the shaft, ro

tate the seal centering clips (if so equipped) 90

Install seal piping as required, or ensure that seal
ports are plugged.

Summary of Contents for OM-05450-04

Page 1: ...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 FLEX...

Page 2: ...rial 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 in...

Page 3: ...quids 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...

Page 4: ...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 CLE...

Page 5: ...rate 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 inst...

Page 6: ...sult from failure to follow the procedure Hazards or unsafe practices which COULD result in severe personal injury or death These instructions describe the procedure required and the injury which coul...

Page 7: ...pting to install operate or service this pump familiarize yourself with this manual and with all other liter ature shipped with the pump Unfamil iarity with all aspects of pump operation covered in th...

Page 8: ...p will remain inoperative 3 Allow the pump to completely cool if overheated 4 Close the discharge and suction valve if used An overheated pump can cause severe burns and injury If overheating occurs 1...

Page 9: ...an Rupp rotary gear pumps Rotary gear pump model numbers include design style port size hydraulic size and construction code Typical Pump Model GHS 1 1 2 GF 32 Design Style Port Size Hydraulic Size Co...

Page 10: ...he pump will oc cur a Do not flush the pump Ensure that the port plugs shipped with the pump remain in place until piping is installed to help prevent dust or other foreign objects from entering the p...

Page 11: ...ischarge hose and piping before attempting to lift the pump Use lifting equip ment with a capacity of at least five times the total weight of the equipment being lifted Positioning The Pump Locate the...

Page 12: ...the jacket and exiting the top Liquid used for temperature control must not exceed 600 _F 316 _C or 150 psi 1034 kPa pressure Higher temper atures or pressures can result in dam age to the equipment...

Page 13: ...components to which it will be exposed c The barrier liquid must be compatible in all re spects with the liquid being pumped Pumps equipped with dual mechanical seals re quire the barrier liquid to be...

Page 14: ...TS NOT IN LINE ALIGNED SHAFTS PARALLEL AND SHEAVES IN LINE Figure B 4 V belt Alignment Tighten the belts in accordance with the belt man ufacturer s instructions If the belts are too loose they will s...

Page 15: ...bs of force on the tensioner should show 1 2 inch 12 7 mm of deflection A tension tester is available as an option from Gor man Rupp P N 29513 001 Other tension test ers are available from your local...

Page 16: ...8 25 5 25 0 8V 12 5 17 0 200 850 851 1500 33 0 26 8 49 3 39 9 200 850 851 1500 39 6 35 3 59 2 52 7 18 0 22 4 Cross Section Smallest Sheave Diameter Range R P M Range Used Belt New Belt Used Belt New...

Page 17: ...cause inju ry or death Obtain the services of a qu alified electrician to make all electrical connections Do not install and operate a non explo sion proof motor in an explosive atmo sphere Install c...

Page 18: ...your pump is equipped with a packing seal loos en the gland nuts before starting until the packing gland may be moved slightly If leakage seems ex cessive after starting wait until the pump has run l...

Page 19: ...assist priming and start the driver again If the pump does not deliver liquid within two min utes stop the pump it may be necessary to vent the discharge line until liquid begins to flow If the pump...

Page 20: ...mal operating temperature to adjust the gland nuts Adjust the nuts only tight enough to re duce excessive leakage PRESSURE RELIEF VALVE ADJUSTMENT Some pumps are not provided with a pressure re lief v...

Page 21: ...n handling non lu bricating liquids drain the system and flush the pump and piping with an oil based preservative to protect close tolerance pump parts When handling liquids that solidify when at rest...

Page 22: ...e blocked foot valve jammed strainer blocked Liquid too viscous Lift too high Suction line undersized LOW READING Air leak in suction line End of suction line not submerged Pump parts worn or defectiv...

Page 23: ...not submerged foot valve blocked or jammed insufficient liquid in sump or tank Check vacuum gauge disassemble pump and replace faulty parts Relief valve pressure set too low Housing dry Add liquid to...

Page 24: ...ired Add lubricant as needed Corrosive liquid Check local distributor or factory for parts compatibility with liquid check liq uid for contamination EXCESSIVE WEAR Exceeding operating limits Check per...

Page 25: ...egular intervals of 2000 hours Critical applications should be in spected more frequently Check the thrust washer medium duty models idler bushing idler pin idler assembly shaft bush ing and rotor sha...

Page 26: ...e Relief Valve If So Equipped C Pump and Driver Alignment I Shaft Deflection I Piping I Driver Lubrication See Mfgr s Literature Legend I Inspect Clean Adjust Repair or Replace as Necessary C Clean R...

Page 27: ...on the Parts List is a grouping of several alpha numeric codes This code identifies the optional components of the pump Contact the Gorman Rupp Company to verify performance and options The following...

Page 28: ...l Foot Bracket Also Available With 180 Ports And Or Jacketed Seal Head Jacket Housing Mounted Relief Valve A Coverplate Kit Replaces Either Relief Valve When Not Used NOTE Refer to Seal Appendix Secti...

Page 29: ...ADJUSTING SLEEVE ASSY 07AA ROTOR ADJUSTING SLEEVE 07AC BALL BEARING 07AD BEARING RETAINING NUT GA SOCKET HD SETSCREW 07AJ BRG SPACER IF REQUIRED 07F O RING IF REQUIRED 07H RETAINER CLIP IF REQUIRED 07...

Page 30: ...t is the responsibility of the owner installer and or maintenance personnel to en sure that applications and or mainte nance procedures not addressed in this manual are performed only after estab lish...

Page 31: ...against the head This will prevent the rotor from turning as the lock nut is unscrewed Straighten the tab on the bearing lockwasher 03B and use a hammer and drift pin to loosen the bear ing locknut u...

Page 32: ...embled idler 02 from the head as sembly Inspect the idler bushing 02B for exces sive wear or scoring If replacement is required use an arbor or hydraulic press to remove the idler bushing from the idl...

Page 33: ...printed on solvent containers Clean and inspect the pump parts except the bearing and seal assembly with a cloth soaked in fresh cleaning solvent Inspect all parts for exces sive wear or for any nick...

Page 34: ...to the discharge port and install one of the larger diameter pipe plugs over the smaller one Install the second large pipe plug in the other hole in the back of the hous ing adjacent to the suction p...

Page 35: ...ket Figure E 1 And E 2 If your pump is equipped with an optional head jacket see Figure E 2 and install the O rings 01E in the grooves in the head Figure 1 01A NOTE The O rings 01E that are installed...

Page 36: ...The proper end clearance for your pump can be determined by two methods Table E 1 shows cor rect end clearance based on hydraulic size viscos ity and temperature Table E 2 shows correct end clearance...

Page 37: ...ackhead to obtain the recommended end clearance Tighten the setscrews GA until they bottom against the backhead 06A Rotate the pump shaft to ensure free rotation If the rotor binds or scrapes against...

Page 38: ...bonnet 10AK Lightly oil the O ring 10AG and install it in the groove on the spring guide 10AH Start the large end of the spring guide into the bonnet 10AK and push the guide in until it bottoms out I...

Page 39: ...GH GJ PUMP HYDRAULIC SIZE SINGLE SPRING OPTION CODE DOUBLE SPRING OPTION CODE DIMENSION A INCHES Fig E 7 CRACKING PRESSURE PSI 45 MIN 60 FULLY OUT 75 47 100 33 130 MAX 16 FULLY IN DIMENSION A INCHES...

Page 40: ...OUT 50 57 75 47 100 22 130 MAX 16 FULLY IN DIMENSION A INCHES Fig E 7 25U 25U 25U 25V 25V 25V JG JJ JL JP NK NM NP RM RP RR RS 100 MIN 60 FULLY OUT 125 51 150 42 175 33 200 23 225 MAX 16 FULLY IN DC D...

Page 41: ...turn the pump to service with out the warning plate 10AB installed Failure to observe the warning on the plate could result in destruction of the pump and injury or death to personnel If the warning p...

Page 42: ...BACKHEAD ASSY 07F SEAT SLEEVE O RING 07H SHAFT CLIP 07L SEAT SLEEVE 07S SEAT SLEEVE 07V SEAT SLEEVE O RING 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BEARING SPACER GA SETSCREW...

Page 43: ...etallic parts in fresh cleaning solvent and allow to dry thoroughly Seal components must be kept clean Handle seal parts with extreme caution to prevent damage Use care not to contami nate the precisi...

Page 44: ...the sleeve onto the nut until fully seated Lubricate the stationary element O ring and posi tion the stationary element in the seat sleeve 07S with the sealing face up Cover the sealing face with a cl...

Page 45: ...SHAFT KEY 05 SEAL ASSY 06A BACKHEAD P PIPE PLUG 07F SEAT SLEEVE O RING 07H SHAFT CLIP 07L SEAT SLEEVE 07S SEAT SLEEVE 07V SEAT SLEEVE O RING 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET N...

Page 46: ...ned 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 cleaning solvent and allow to dry thoroughly...

Page 47: ...eeve 07S over the shoulder on the bearing retaining nut 07AD and press the sleeve onto the nut until fully seated Lubricate the stationary element O ring and posi tion the stationary element in the se...

Page 48: ...EARING LOCKNUT N SHAFT KEY 05 SEAL ASSY 06AA BACKHEAD 06AK SEAT SLEEVE 07B SEAT SLEEVE O RING 07AA ROTOR ADJ SLEEVE 07AB SEAT SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACER IF REQ D P P...

Page 49: ...sh cleaning solvent Most cleaning solvents are toxic and flammable Use them only in a well ven tilated area free from flame sparks and excessive heat Read and follow all pre cautions printed on solven...

Page 50: ...ng pumped Install the Reservoir Kit as shown in Figure F 4A and connect the pressurizing source at the male connector 13E Select a suitable barrier liquid ac cording to the criteria shown in Installat...

Page 51: ...NUT N SHAFT KEY 05 CARTRIDGE SEAL ASSY 05C SHAFT O RING 06A BACKHEAD ASSY P PIPE PLUG 07F SEAT SLEEVE O RING 07L SEAT SLEEVE 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACE...

Page 52: ...vent Most cleaning solvents are toxic and flammable Use them only in a well ven tilated area free from flame sparks and excessive heat Read and follow all pre cautions printed on solvent containers NO...

Page 53: ...NG LOCKNUT N SHAFT KEY 05 BALANCED SEAL ASSY 05A SHAFT SLEEVE 05C SHAFT O RING 06A BACKHEAD ASSY P PIPE PLUG 07B SEAT SLEEVE O RING 07L SEAT SLEEVE 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING...

Page 54: ...with extreme caution to prevent damage Use care not to contami nate the precision finished faces even fin gerprints on the faces can shorten seal life If necessary to clean the faces use a clean cloth...

Page 55: ...aining nut 07AD and press the sleeve onto the nut until fully seated Install a new seat sleeve O ring 07B Lubricate the stationary seat O ring and position the stationary seat in the seat sleeve 07L w...

Page 56: ...ARING LOCKNUT N SHAFT KEY 05 FRONT MECH SEAL 05 REAR CARTRIDGE SEAL 06A BACKHEAD ASSY P PIPE PLUG 07B SEAT SLEEVE O RING 07L SEAT SLEEVE 07AA ROTOR ADJ SLEEVE 07AB SEAT SLEEVE 07AC BALL BEARING 07AD B...

Page 57: ...n the seal cavity and shaft with a cloth soaked in fresh cleaning solvent Most cleaning solvents are toxic and flammable Use them only in a well ven tilated area free from flame sparks and excessive h...

Page 58: ...t in the seat sleeve with the sealing face up Cover the sealing face with a clean tissue and use thumb pressure to press the sta tionary element into the seat sleeve until fully seated Install the ass...

Page 59: ...3B BRG LOCKWASHER 03C BEARING LOCKNUT 05 CARTRIDGE SEAL ASSY 06A BACKHEAD ASSY 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACER IF REQ D B CAPSCREW D DEFORM LOCKNUT K FLAT...

Page 60: ...eum based lubri cants Slide the cartridge seal assembly onto the shaft un til the seal gland plate is fully seated against the backhead A pusher tube may be used to evenly force the seal into position...

Page 61: ...hten the gland nuts Repeat the process as required to ensure seal shaft concentricity After the seal is properly centered on the shaft ro tate the seal centering clips if so equipped 90 Install seal p...

Page 62: ...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 GA SETSCREW N SHAFT KEY P PIPE PLUG PARTS KE...

Page 63: ...ew seat sleeve into the backhead from the back end of the backhead See Pump Reassembly Section E and as semble the housing assembly 04 backhead kit 06 and rotor shaft assembly 03 Clean the seal cavity...

Page 64: ...erature can be controlled with a seal jacket Barrier at 25 50 of pump discharge pressure minimum 25 psi Mildly Abrasive A circulated pressur ized barrier liquid2 is required Barrier liquid at pressure...

Page 65: ...SEAL 05J PACKING RING S 05S SLINGER RING IF REQ D 06A BACKHEAD ASSY 06AF LUBE FITTING P PIPE PLUG 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACER IF REQ D 07G PACKING GLA...

Page 66: ...ets see the Parts List accompanying your pump be ordered from your Gorman Rupp distrib utor or the factory However if bulk commercial packing will be used prepare and install it in accor dance with th...

Page 67: ...is aligned with the lubrication port when the packing is fully com pressed Add enough packing to fill the backhead to within 3 8 inch 9 5 mm of the end If the pump is equipped with a split packing gl...

Page 68: ...EARING LOCKNUT 05 LIP SEAL 06A BACKHEAD ASSY 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACER IF REQ D 07F SEAT SLEEVE O RING 07L SEAT SLEEVE 07S SEAT SLEEVE 07V SEAT SLEEV...

Page 69: ...ackhead kit 06 and rotor shaft assembly 03 Clean the seal cavity with a cloth soaked in fresh cleaning solvent Most cleaning solvents are toxic and flammable Use them only in a well ven tilated area f...

Page 70: ...o Shaft D G J N R 015 020 123 123 126 Ref No Description Hyd Size Dash No 10AG Spring Guide to Bonnet D G J N R 028 028 034 034 042 10AJ Bonnet to Valve Body D G J N R 033 033 040 040 045 10C Valve or...

Page 71: ...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 MANSFI...

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