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GORMAN-RUPP GHA SERIES, Installation, Operation And Maintenance Manual

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GORMAN-RUPP GHA SERIES Installation, Operation And Maintenance Manual Download Page 45

OM--04621

GHA SERIES

PAGE F -- 8

SEAL APPENDIX

SEAL APPENDIX --- SECTION F

03A ROTOR/SHAFT ASSY

03B BRG LOCKWASHER

03C BEARING LOCKNUT

N

SHAFT KEY

05

PACKING SEAL

05J ---PACKING RING(S)

05P ---LANTERN RING

06A BACKHEAD ASSY

06AF LUBE FITTING

06AK SEAT SLEEVE

P

PIPE PLUG

07AA ROTOR ADJ SLEEVE

07AC BALL BEARING

07AD BEARING RET NUT

07AJ BRG SPACER (IF REQ’D)

07G SPLIT GLAND SET

07H GLAND RETAINER

A

CAPSCREW

B

CAPSCREW

D

DEFORM LOCK NUT

GA

SETSCREW

PARTS KEY

ASSEMBLED VIEW

05P

05J

Figure F-4. Packing Seal (Option 65P)

Summary of Contents for GHA SERIES

Page 1: ...Y THE GORMAN RUPP COMPANY MANSFIELD OHIO GORMAN RUPP OF CANADA LIMITED ST THOMAS ONTARIO CANADA Printed in U S A Copyright by the Gorman Rupp Company INSTALLATION OPERATION AND MAINTENANCE MANUAL ROTA...

Page 2: ...5 V BELT TENSIONING PAGE B 6 General Rules of Tensioning PAGE B 6 Tension Measurement PAGE B 6 OPERATION SECTION C PAGE C 1 PUMP OPERATION PAGE C 1 PRE OPERATION PAGE C 1 Before Starting the Pump PAGE...

Page 3: ...8 PUMP REASSEMBLY PAGE E 8 Cleaning and Inspection PAGE E 8 Bushing Preparation PAGE E 9 Housing Assembly 04 PAGE E 9 Backhead Kit 06 Reassembly Std Mech Seal Pump Only PAGE E 9 Backhead Kit 06 Reasse...

Page 4: ...pump is furnished with a drive unit refer to the drive unit manufacturer s installation and oper ation instructions in the literature accompanying the pump These pumps can transfer a wide range of li...

Page 5: ...esult 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 cou...

Page 6: ...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 7: ...injury If overheating occurs 1 Stop the pump immediately 2 Allow the pump to completely cool 3 Refer to the instructions in this manual before restarting the pump Do not remove plates covers gauges p...

Page 8: ...pp 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 Constru...

Page 9: ...the 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...

Page 10: ...unted on a base or with pump and motor mounted on a base Install the pump and motor on a base before mounting the base on a foundation Mount the base on a foundation that will provide permanent rigid...

Page 11: ...the holes in the screen should be three to five times the area of the suction pipe Sealing Even a slight leak will affect priming head and ca pacity especially in a suction lift application Seal all p...

Page 12: ...he driving and the driven shafts Refer to the coupling manufacturer s service literature Align spider insert type couplings by using calipers to measure the dimensions on the circumference of the oute...

Page 13: ...Tension Measurement Correct v belt tension can be achieved using a v belt tension tester and Table B 2 or B 3 Use the tables to find the v belt size cross section the smallest sheave diameter the belt...

Page 14: ...1000 2500 2501 4000 4 9 4 4 7 3 6 6 5 3 4 9 7 9 7 3 5V 5VX 4 4 6 7 500 1749 1750 3000 3001 4000 10 2 8 8 5 6 15 2 13 2 8 5 7 1 10 9 500 1740 1741 3000 12 7 11 2 18 9 16 7 14 8 13 7 22 1 20 1 11 8 16 0...

Page 15: ...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 16: ...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 long enough to reach its nor...

Page 17: ...factory OPERATION NOTE If the pump malfunctions or does not meet operat ing specifications refer to TROUBLESHOOTING Section D A change in operating noise when liquid first enters the pump is normal Af...

Page 18: ...temperatures allow the pump to completely cool before attempt ing any adjustments Cracking Pressure Cracking pressure is the pressure at which the pressure relief valve first begins to open and by pas...

Page 19: ...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 20: ...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 21: ...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 22: ...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 23: ...each pump Below the pump model number 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...

Page 24: ...d Optional Foot Bracket Also Available With 180_ Ports And Or Head Jacket Housing Mounted Relief Valve A Coverplate Kit Replaces Either Relief Valve When Not Used NOTE Refer to Seal Appendix Section F...

Page 25: ...F 05 SECONDARY LIP SEAL 06 BACKHEAD KIT 06A BACKHEAD ASSEMBLY 06AA BACKHEAD 06AD BEARING SLEEVE 06AE SHAFT BEARING 06AE THROTTLE BUSHING R SIZE ONLY 06AT LIP SEAL R SIZE ONLY P PIPE PLUG 06B GASKET B...

Page 26: ..._ PORTS HEAD MOUNTED RELIEF VALVE HEAD JACKET FOOT BRACKET GHA Series Optional Pump 90_ PORTS NO RELIEF VALVE FOOT BRACKET NOTE Each version shown with Mechanical Seal and Foot Bracket All versions av...

Page 27: ...erous to personnel How ever this manual cannot possibly pro vide detailed instructions and precau tions for each specific application or for every situation that might occur during maintenance of the...

Page 28: ...t can be unscrewed from the shaft Remove the bearing lockwasher Unscrew the rotor adjusting sleeve from the back head Use a screwdriver to pry the seat sleeve 07AB off the O D of the bearing retaining...

Page 29: ...e plugs P in the head assembly The pipe plugs P must be installed in the holes in the head Otherwise abrasive liq uid will be circulated to the idler pin result ing in excessive wear to the pump Rotor...

Page 30: ...shing in place of the shaft bearing 06AE shown in Figure E 1 NOTE The shaft bushing 06AE may be damaged during removal Do not remove the shaft bushing unless replacement is required Due to tight toler...

Page 31: ...extremely brittle and will crack if improperly installed Use a press to install the bushing with one contin uous motion until the bushing is fully seated Stopping in mid stroke will cause the bushing...

Page 32: ...nsive If your pump is equipped with a mechanical seal the seal assembly must be installed before instal ling the rotor shaft assembly Refer to Seal Appen dix Section F for installation of the seal and...

Page 33: ...ted against the bearing Position the rotor adjusting sleeve on a flat surface with the drive end down Press the seat sleeve 07AB onto the bearing retaining nut shoulder un til fully seated Loosen the...

Page 34: ...p shaft to ensure free rotation If the rotor binds or scrapes against the head back off the rotor adjust ing sleeve until rotation is free LUBRICATION Oil Lubricated Backhead Models The backhead was f...

Page 35: ...uld result in destruction of the pump and injury or death to personnel Inspect the components for wear grooves or other damage that might cause leakage If any components are worn replace the defective...

Page 36: ...e Relief Valve Assembly After adjustment tighten the jam nut D flush against the bonnet Place the optional warning tag 10AR between the bonnet and the cap 10AN Install the cap and tighten until fully...

Page 37: ...LY OUT 125 51 150 42 175 33 200 23 225 MAX 16 FULLY IN CRACKING PRESSURE PSI GC GF GH GJ PUMP HYDRAULIC SIZE SINGLE SPRING OPTION CODE DOUBLE SPRING OPTION CODE DIMENSION A INCHES Fig E 7 CRACKING PRE...

Page 38: ...MECH SEAL ASSY 05 LIP SEAL 06A BACKHEAD ASSY 06F OIL HOLE COVER 06AE SHAFT NEEDLE BEARING 06AT LIP SEAL R SIZE ONLY P PIPE PLUG 07AA ROTOR ADJ SLEEVE 07AB SEAT SLEEVE 07AC BALL BEARING 07AD BEARING R...

Page 39: ...nts on the faces can shorten seal life If necessary to clean the faces use a clean cloth and wipe in a circular pattern Inspect the seal components for wear scoring grooves and other damage that might...

Page 40: ...N SHAFT KEY 05 POS DRIVE SEAL ASSY 05 LIP SEAL 06A BACKHEAD ASSY 06F OIL HOLE COVER 06AE SHAFT NEEDLE BEARING 06AT LIP SEAL R SIZE ONLY P PIPE PLUG 07AA ROTOR ADJ SLEEVE 07AB SEAT SLEEVE 07AC BALL BEA...

Page 41: ...resh 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 precision finished faces...

Page 42: ...KEY 05 FRONT MECH SEAL 05 REAR LIP SEAL 06A BACKHEAD ASSY 06AK SEAT SLEEVE 06I SEAL GLAND P PIPE PLUG 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACER 07G SPLIT GLAND SET...

Page 43: ...dowel to press the new 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 C...

Page 44: ...sealing face of the ro tating portion of the seal and slide this rotating subassembly onto the shaft until the spring retain er seats against the shaft shoulder Secure the rotating portion of the sea...

Page 45: ...SEAL 05J PACKING RING S 05P LANTERN RING 06A BACKHEAD ASSY 06AF LUBE FITTING 06AK SEAT SLEEVE P PIPE PLUG 07AA ROTOR ADJ SLEEVE 07AC BALL BEARING 07AD BEARING RET NUT 07AJ BRG SPACER IF REQ D 07G SPLI...

Page 46: ...to press the throttle bushing sleeve into the backhead until fully seated Clean the seal cavity and shaft with a cloth soaked in fresh cleaning solvent Most cleaning solvents are toxic and flammable U...

Page 47: ...t lubrication Lubricate the new packing rings with non deterg ent oil before installation When installing packing rings insert thru backhead do not separate or stretch for best performance Push each p...

Page 48: ...rpumps 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 MANSFI...

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