GORMAN-RUPP VGH Series Скачать руководство пользователя страница 4

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TABLE OF CONTENTS

(continued)

BEARING TEMPERATURE CHECK

PAGE C - 4

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LUBRICATION

PAGE C - 4

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Seal Assembly

PAGE C - 4

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Bearings

PAGE C - 5

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Power Source

PAGE C - 5

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TROUBLESHOOTING - SECTION D

PAGE D - 1

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PREVENTIVE MAINTENANCE

PAGE D - 3

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PUMP MAINTENANCE AND REPAIR ‐ SECTION E

PAGE E - 1

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STANDARD PERFORMANCE CURVE

PAGE E - 1

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PARTS LIST:

Pump End Assembly

PAGE E - 3

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PUMP AND SEAL DISASSEMBLY AND REASSEMBLY

PAGE E - 4

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Pump Casing and Impeller Removal

PAGE E - 4

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Wear Ring Removal

PAGE E - 5

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Seal Removal

PAGE E - 5

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Shaft and Bearing Removal And Disassembly

PAGE E - 5

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Shaft and Bearing Reassembly and Installation

PAGE E - 6

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Wear Ring Installation

PAGE E - 7

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Seal Installation

PAGE E - 7

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Impeller and Pump Casing Installation

PAGE E - 9

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Final Pump Assembly

PAGE E - 9

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LUBRICATION

PAGE E - 9

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Seal Assembly

PAGE E - 9

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Bearings

PAGE E - 9

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Содержание VGH Series

Страница 1: ...14 02 April 16 2008 Rev A 09 20 16 GORMAN RUPP PUMPS www grpumps com e2008 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST VGH SERIES PUMP MODEL VGH1 1 4D31 B ...

Страница 2: ...erial 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 ...

Страница 3: ...Positioning PAGE B 3 DISCHARGE LINES PAGE B 4 Siphoning PAGE B 4 Valves PAGE B 4 LUBRICATION PAGE B 4 Bearings PAGE B 4 Seal Assembly PAGE B 4 ALIGNMENT PAGE B 4 Coupled Drives PAGE B 5 V Belt Drives PAGE B 5 ELECTRICAL CONNECTIONS PAGE B 6 GROUNDING PAGE B 6 OPERATION SECTION C PAGE C 1 PRIMING PAGE C 1 Hand Primers PAGE C 1 Exhaust Primers PAGE C 2 Auxiliary Ejectors PAGE C 2 Vacuum Pumps PAGE C...

Страница 4: ... PAGE E 1 PARTS LIST Pump End Assembly PAGE E 3 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY PAGE E 4 Pump Casing and Impeller Removal PAGE E 4 Wear Ring Removal PAGE E 5 Seal Removal PAGE E 5 Shaft and Bearing Removal And Disassembly PAGE E 5 Shaft and Bearing Reassembly and Installation PAGE E 6 Wear Ring Installation PAGE E 7 Seal Installation PAGE E 7 Impeller and Pump Casing Installation PAGE E 9...

Страница 5: ... P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp of Canada Limited 70 Burwell Road St Thomas Ontario N5P 3R7 Phone 519 631 2870 For information or technical assistance on the power source contact the power source manufac turer s local dealer or representative HAZARD AND INSTRUCTION DEFINITIONS The following are used to alert maintenance per sonnel to procedures which requi...

Страница 6: ...n trained solids Only the Gorman Rupp Company or an authorized Gorman Rupp distributor may modify a pump or approve its use for handling volatile flammable liquids If the pump is used for handling volatile flammable liquids all drivers and or controls must meet in dustry standards and codes for use in an explosive atmosphere Do not at tempt to pump liquids for which the pump driver and or controls...

Страница 7: ... couplings or other rotating parts Exposed rotating parts can catch clothing fingers or tools causing severe injury to person nel Do not operate the pump against a closed discharge valve for long periods of time If operated against a closed dis charge valve pump components will deteriorate and the liquid could come to a boil build pressure and cause the pump casing to rupture or explode Overheated...

Страница 8: ...y read all tags decals and markings on the pump assembly and perform all duties indicated d Check levels and lubricate as necessary Re fer to LUBRICATION in the MAINTENANCE AND REPAIR section of this manual and per form duties as instructed e If the pump has been stored for more than 12 months some of the components or lubri cants may have exceeded their maximum shelf life These must be inspected ...

Страница 9: ... not tapped drill and tap the suction and discharge lines not less than 18 inches 457 2 mm from the suction and discharge ports and install the lines Installation closer to the pump may result in erratic readings SUCTION LINES To avoid air pockets which could affect pump prim ing the suction line must be as short and direct as possible When operation involves a suction lift the line must always sl...

Страница 10: ...ed air to escape from the liquid before it is drawn into the suction inlet If two suction lines are installed in a single sump the flow paths may interact reducing the efficiency of one or both pumps To avoid this position the suction inlets so that they are separated by a dis tance equal to at least 3 times the diameter of the suction pipe Suction Line Positioning The depth of submergence of the ...

Страница 11: ...e constant level oiler FILL ONLY THROUGH CONSTANT LEVEL OILER DO NOT FILL THROUGH VENT PLUG Figure 2 Lubricating Bearing Cavity Do not fill the bearing cavity through the vent plug in the top of the housing This will result in over fill ing and can cause leakage excessive heat build up and or premature bearing failure Check the oil level regularly through the constant level oiler and add oil as re...

Страница 12: ...t all points see Fig ure 3A Figure 3A Aligning Spider Type Couplings Figure 3B Aligning Non 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 3B Check parallel adjustment by laying a straightedge across both coupling rims a...

Страница 13: ...upplied with the motor for specific instruc tions The electrical power used to operate the pump is high enough to cause injury or death Obtain the services of a qualified electrician to make all electrical con nections If the pump is powered by an electric motor do not operate a non explosion proof motor in an explosive atmo sphere An explosion which may cause severe personal injury or death could...

Страница 14: ...ght and that the pump is securely mounted Check that the pump is properly lubri cated see LUBRICATION in the MAINTENANCE AND REPAIR manual This is not a self priming pump so an external priming device must be used if the pump is in stalled on a suction lift A foot valve may be in stalled at the end of the suction pipe to maintain the prime however this may adversely affect pump performance due to ...

Страница 15: ...ressed air water or exhaust gases To prime a pump using an ejec tor open the gas cock in the priming line and oper ate the ejector until liquid is thrown out the ejector nozzle Vacuum Pumps Air can be exhausted to prime a pump by using a vacuum pump Either a wet type or a dry type vac uum pump may be used however a wet type is preferred since it will not be damaged if liquid en ters it If a dry va...

Страница 16: ...Check If a suction strainer has been shipped with the pump or installed by the user check the strainer regularly and clean it as necessary The strainer should also be checked if pump flow rate begins to drop If a vacuum suction gauge has been in stalled monitor and record the readings regularly to detect strainer blockage Never introduce air or steam pressure into the pump casing or piping to remo...

Страница 17: ...he draining process Clean out any remaining solids by flushing with a hose BEARING TEMPERATURE CHECK Bearings normally run at higher than ambient tem peratures because of heat generated by friction Temperatures up to 160_F 71_ C are considered normal for bearings and they can operate safely to at least 180_F 82_ C Checking bearing temperatures by hand is inaccu rate Bearing temperatures can be mea...

Страница 18: ...g as in dicated Check the constant level oiler regularly and keep it full of oil When lubrication is required flip the transparent constant level oiler cup open and fill it with SAE No 30 non detergent oil Under normal conditions drain the bearing hous ing once each year and refill with clean oil Change the oil more frequently if the pump is operated con tinuously or installed in an environment wi...

Страница 19: ...E POSSIBLE CAUSE PROBABLE REMEDY PUMP FAILS TO PRIME Auxiliary priming device faulty or im properly installed Discharge check valve open Air leak in suction line Lining of suction hose collapsed Leaking or worn seal or pump gas ket Strainer clogged Repair priming device or check installation Check position of handle close valve Correct leak Replace suction hose Check pump vacuum Replace leak ing o...

Страница 20: ...d install bypass line if needed See INSTAL LATION in the Installation and Op erations manual Dilute if possible PUMP REQUIRES TOO MUCH POWER Pump speed too high Discharge head too low Liquid solution too thick Impeller jammed due to debris or in sufficient clearance Check governor setting engine driv en models Adjust discharge valve Dilute if possible Disassemble pump and check impel ler PUMP CLOG...

Страница 21: ...man Rupp pump For specific questions con cerning your application contact your Gorman Rupp distributor or the Gorman Rupp Company Record keeping is an essential component of a good preventive maintenance program Changes in suction and discharge gauge readings if so equipped between regularly scheduled inspec tions can indicate problems that can be corrected before system damage or catastrophic fai...

Страница 22: ... Impeller Clearance Seal Plate I Check Valve I Pressure Relief Valve If So Equipped C Pump and Driver Alignment I Shaft Deflection I Bearings I Bearing Housing I Piping I Driver Lubrication See Mfgr s Literature Legend I Inspect Clean Adjust Repair or Replace as Necessary C Clean R Replace Service interval based on an intermittant duty cycle equal to approximately 4000 hours annually Adjust schedu...

Страница 23: ...level with minimum suction lift Since pump installations are seldom identical your performance may be dif ference due to such factors as viscosity specific gravity elevation temperature and impeller trim If your pump serial number is followed by an N your pump is NOT a standard production model Contact the Gorman Rupp Company to verify per formance or part numbers Pump speed and operating conditio...

Страница 24: ...VGH SERIES OM 06114 MAINTENANCE REPAIR PAGE E 2 SECTION DRAWING PARTSPAGE Figure 1 Pump Assembly VGH1 1 4D31 B ...

Страница 25: ...OIL SEAL 26821 639 1 24 SNAP RING 26821 386 1 25 BEARING COVER 26821 805 1 26 BEARING COVER GASKET 26821 410 1 27 HEX HD CAPSCREW 22645 160 1 28 WASHER K06 15991 1 29 SUPPORT FOOT 26821 213 1 30 PIPE PLUG P04 15079 1 31 BEARING 26821 352 1 32 OIL SEAL 26821 637 1 33 BEARING COVER GASKET 26821 409 1 34 BEARING COVER 26821 802 1 35 HEX NUT 26821 932 4 36 STUD 26821 901 4 37 SEAL FLANGE 26821 249 1 3...

Страница 26: ...e or contact your local power source representative Before attempting to open or service the pump 1 Familiarize yourself with this man ual 2 Lock out or disconnect the power source to ensure that the pump will remain inoperative 3 Allow the pump to completely cool if overheated 4 Check the temperature before opening any covers plates or plugs 5 Close the suction and discharge valves 6 Vent the pum...

Страница 27: ... the groove in the I D of the sleeve Lubricate the shaft sleeve with light oil and work it up under the rubber bellows Slide the rotating portion of the seal off the shaft sleeve Unscrew the pin 11 and press the stationary seal seat and O ring out of the seal flange If no further disassembly is required see Seal Installation Shaft and Bearing Removal And Disassembly When the pump is properly opera...

Страница 28: ... as required if the proper bearing fit is not achieved Shaft and Bearing Reassembly And Installation Clean and inspect the bearings as indicated in Shaft and Bearing Removal and Disassembly It is strongly recommended that the bear ings be replaced any time the shaft and and bearings are removed The outboard bearing 19 and the inner race of the inboard bearing 31 may be heated to ease instal lation...

Страница 29: ...ring If replacement is required position the seal plate on the bed of an arbor or hydraulic press with the impeller end facing up and use a suitably sized dowel to press the bushing from the seal plate bore Invert the seal plate on the press and use a suitably sized sleeve to install a new bushing in the seal plate The throat bushing must seat squarely in the seal plate bore otherwise binding and ...

Страница 30: ...eal If a replacement seal is being used remove it from the container and inspect it to ensure that it is free of any foreign matter To ease installation of the seal and seal plate lubri cate the seal sleeve O ring with water or a very small amount of oil See Figure 2 for seal part iden tification SEAL PLATE IMPELLER SHAFT STATIONARY SEAT ROTATING ELEMENT CAGE SHAFT SLEEVE SET SCREW O RING SEAL FLA...

Страница 31: ...until fully seated NOTE After the impeller has been properly positioned check for free rotation Correct any scraping bind ing before further reassembly When the impeller is properly positioned install the impeller washer and nut 45 and 46 Secure the impeller nut with the safety plate 50 and screw 47 Install the casing gasket 41 Slide the pump cas ing 1 over the impeller and secure it to the seal p...

Страница 32: ...der normal conditions drain the bearing hous ing once each year and refill with clean oil Change the oil more frequently if the pump is operated con tinuously or installed in an environment with rapid temperature change Monitor the condition of the bearing lubri cant regularly for evidence of rust or mois ture condensation This is especially im portant in areas where variable hot and cold temperat...

Страница 33: ...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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