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GHC SERIES

OM-05845

PAGE E-1

MAINTENANCE AND REPAIR

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. Please have these numbers available when contacting The Gorman‐Rupp Compa
ny for parts.

The Following Pumps, From S/N 1295504 And Up, Are Covered By This Manual.

GHC3JL3-B /S1

GHC3JL3-B /S2 GHC3JL3-B /S3

GHC3JP3-B /S1

GHC3JP3-B /S2

GHC2JJ3-B /S1

GHC2JJ3-B /S2

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Содержание GHC Series

Страница 1: ...P COMPANY MANSFIELD OHIO www grpumps com GORMAN RUPP OF CANADA LIMITED ST THOMAS ONTARIO CANADA Printed in U S A 2006 The Gorman Rupp Company INSTALLATION OPERATION AND MAINTENANCE MANUAL ROTARY GEAR...

Страница 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...

Страница 3: ...B 5 Coupled Drives PAGE B 5 V Belt Drives PAGE B 5 V BELT TENSIONING PAGE B 6 General Rules of Tensioning PAGE B 6 Tensioning Measurement PAGE B 6 ELECTRICAL CONNECTIONS PAGE B 8 OPERATION SECTION C P...

Страница 4: ...eal Removal 05 PAGE E 7 Rotor Shaft Removal 08 PAGE E 7 Backhead Kit Removal 06 PAGE E 7 Housing Assembly 04 PAGE E 7 PUMP REASSEMBLY PAGE E 8 Cleaning and Inspection PAGE E 8 Bushing Preparation PAGE...

Страница 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...

Страница 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...

Страница 7: ...res Before attempting 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 operati...

Страница 8: ...pump 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 occu...

Страница 9: ...m for Gorman 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 Hydraul...

Страница 10: ...mage to 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 enter...

Страница 11: ...g Lifting Remove suction and discharge 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 P...

Страница 12: ...s possible to the pump to monitor operation and assist in troubleshooting Strainers Because of the close tolerance moving parts of this pump it is recommended that a strainer be in stalled in the suct...

Страница 13: ...he coupling is in alignment when the hubs are the same distance apart at all points see Figure B 3 Figure B 3 Aligning Non Spider Type Coupling Check parallel adjustment by laying a straightedge acros...

Страница 14: ...ion to belt span is 1 64 for both ASA and metric units Therefore a belt with a span of 64 inches would require a deflection of 1 inch at the force shown on the Tables for your particular application F...

Страница 15: ...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...

Страница 16: ...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...

Страница 17: ...al loos en the gland nuts before starting the pump until the packing gland may be moved slightly If leakage seems excessive after starting wait until the pump has run long enough to reach its normal o...

Страница 18: ...fications refer to TROUBLESHOOTING Section D A change in operating noise when liquid first enters the pump is normal After the pump is fully opera tional monitor it for any unusual noises or vibra tio...

Страница 19: ...s Cracking Pressure Cracking pressure is the pressure at which the pressure relief valve first begins to open and by pass fluid The nominal cracking pressure of the re lief valve provided with this pu...

Страница 20: ...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...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ...TING PERFORMANCE Pump Model Your pump model number and serial number are shown on the name plate affixed to the pump Please have these numbers available when contacting The Gorman Rupp Compa ny for pa...

Страница 26: ...45 GHC SERIES PAGE E 2 MAINTENANCE AND REPAIR PARTSPAGE Shown GHC3JL3 B S2 46167 954 GA 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 M...

Страница 27: ...2 D JAM NUT AT08S 15991 1 O O RING 25154 135 2 O O RING 25154 034 1 O O RING 25154 040 1 12 S1 S3 NAMEPLATE KIT 48154 508 1 CW ARIEL NAMEPLATE 38818 147 13000 1 BM DRIVE SCREW BM 04 03 17000 2 12 S2...

Страница 28: ...E J SHAFT BUSHING 31143 118 12080 1 06B J BACKHEAD GASKET 38683 461 19060 1 B HEX HD CAPSCREW B0805 15991 8 07 ROTOR ADJ SLV KIT 48256 436 1 07A J RTR ADJ SLV ASSY 42216 422 1 07AA J RTR ADJ SLEEVE 31...

Страница 29: ...possibly pro vide detailed instructions and precau tions for each specific application or for every situation that might occur during maintenance of the unit Therefore it is the responsibility of the...

Страница 30: ...from the shaft Remove the bearing lockwasher Unscrew the rotor adjusting sleeve kit from the backhead NOTE Part or all of the seal assembly 5 will be removed with the rotor adjusting sleeve Check the...

Страница 31: ...sting sleeve assembly Use caution not to damage the stationary seat sealing face Remove the rotor adjusting sleeve O ring 07B With the head kit 01 idler assembly 02 and rotor adjusting sleeve 07 remov...

Страница 32: ...or roughness or binding If rotation is rough or there is any side to side movement between the inner and outer races replace the bearing The bearing is permanently sealed and re quires no additional l...

Страница 33: ...embly 03 Inspect the rotor shaft assembly 03A for exces sive wear scoring or scratches along the shaft sealing surface If replacement is required the shaft and rotor must be replaced as an assembly Sm...

Страница 34: ...d install the pipe plug P in the hole in the suction side of the head 01AA Lightly oil the I D of the idler 02A and use an ar bor or hydraulic press to install the idler bushing 02B in the idler The b...

Страница 35: ...sting sleeve assembly 07A in the backhead assembly 06A until the rotor bot toms against the head and install the bearing lock washer 03B and locknut 03C as previously de scribed See Figure E 5 and mar...

Страница 36: ...AR TAG OPTIONAL D JAM NUT 10AG SPRING GUIDE O RING BM DRIVE SCREW ASSEMBLED VIEW PARTS KEY Figure E 6 Pressure Relief Valve Assembly RELIEF VALVE REASSEMBLY Figure E 6 Do not return the pump to servic...

Страница 37: ...7 FULLY OUT 50 88 75 57 95 MAX 31 FULLY IN CRACKING PRESSURE PSI PUMP HYDRAULIC SIZE SINGLE SPRING OPTION CODE DOUBLE SPRING OPTION CODE DIMENSION A INCHES Fig E 7 CRACKING PRESSURE PSI DIMENSION A IN...

Страница 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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