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OM‐05670‐01

August 3, 2004

Rev. E  11‐21‐17

THE GORMAN‐RUPP COMPANY 

 MANSFIELD, OHIO

www.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

WITH PARTS LIST

SUPER U SERIES PUMPS

 

MODELS

U6B65S‐B

INCLUDING: /F

Содержание SUPER U SERIES

Страница 1: ...UPP COMPANY MANSFIELD OHIO www 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 WITH PARTS LIST SUPER U SERIES PUMPS MODELS U6B65S B INCLUDING F ...

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: ...ction Line Positioning PAGE B 4 DISCHARGE LINES PAGE B 4 Siphoning PAGE B 4 Valves PAGE B 4 Bypass Lines PAGE B 5 AUTOMATIC AIR RELEASE VALVE PAGE B 6 Air Release Valve Installation PAGE B 6 ALIGNMENT PAGE B 7 Coupled Drives PAGE B 7 Drive Belts PAGE B 7 DRIVE BELT TENSIONING PAGE B 8 General Rules of Tensioning PAGE B 8 OPERATION SECTION C PAGE C 1 PRIMING PAGE C 1 STARTING PAGE C 1 Rotation PAGE...

Страница 4: ...tating Assembly Removal PAGE E 7 Impeller Removal PAGE E 8 Seal Removal and Disassembly PAGE E 8 Shaft and Bearing Removal and Disassembly PAGE E 8 Shaft and Bearing Reassembly and Installation PAGE E 9 Seal Installation PAGE E 11 Impeller Installation and Adjustment PAGE E 12 Rotating Assembly Installation PAGE E 13 Suction Check Valve Installation PAGE E 13 Back Cover Installation and Adjustment...

Страница 5: ...ther personal safety nor pump integrity are compromised by such prac tices If there are any questions regarding the pump or its application which are not covered in this man ual or in other literature accompanying this unit please contact your Gorman Rupp distributor or The Gorman Rupp Company P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp of Canada Limited 70 Burwell Roa...

Страница 6: ... 5 Close the suction and discharge valves 6 Vent the pump slowly and cau tiously 7 Drain the pump This pump is designed to handle highly corrosive and abrasive industrial waste materials and residues containing spe cified entrained solids Do not attempt to pump volatile explosive or flam mable liquids which may damage the pump or endanger personnel as a result of pump failure After the pump has be...

Страница 7: ...re fully engaging the pump Death or serious personal injury and damage to the pump or components can occur if proper lifting procedures are not observed Make certain that hoists chains slings or cables are in good working condition and of suffi cient capacity and that they are posi tioned so that loads will be balanced and the pump or components will not be damaged when lifting Suction and dis cha...

Страница 8: ...alled in a flooded suction application where the liquid is supplied to the pump under pressure some of the information such as mounting line configuration and priming must be tailored to the specific application Since the pressure supplied to the pump is critical to performance and safety be sure to limit the incoming pressure to 50 of the maximum permissible operating pressure as shown on the pum...

Страница 9: ...stributor or the factory to deter mine the repair or updating policy Do not put the pump into service until appropriate action has been taken POSITIONING PUMP Lifting Pump unit weights will vary depending on the mounting and drive provided Check the shipping tag on the unit packaging for the actual weight and use lifting equipment with appropriate capacity Drain the pump and remove all customer in...

Страница 10: ...n to the pump at any point along the suction run air pockets will be created Fittings Suction lines should be the same size as the pump inlet If reducers are used in suction lines they should be the eccentric type and should be in stalled with the flat part of the reducers uppermost to avoid creating air pockets Valves are not nor mally used in suction lines but if a valve is used install it with ...

Страница 11: ... submergence required may be reduced by installing a standard pipe increaser fitting at the end of the suction line The larger opening size will reduce the inlet velocity Calculate the required submergence using the following formula based on the increased opening size area or diameter Figure 2 Recommended Minimum Suction Line Submergence vs Velocity DISCHARGE LINES Siphoning Do not terminate the ...

Страница 12: ...e disassembly and maintenance In high discharge head applications more than 30 feet an excessive amount of liquid may be by passed and forced back to the wet well under the full working pressure of the pump this will reduce overall pumping efficiency Therefore it is recom mended that a Gorman Rupp Automatic Air Re lease Valve be installed in the bypass line Gorman Rupp Automatic Air Release Valves...

Страница 13: ...quipped with standard 1 inch NPT pipe threads DISCHARGE PIPE DISCHARGE CHECK VALVE PUMP DISCHARGE SELF PRIMING CENTRIFUGAL PUMP SUCTION LINE SUPPORT BRACKET CLEAN OUT COVER INSTALL AIR RELEASE VALVE IN HORIZONTAL POSITION 90 LONG RADIUS ELBOW WET WELL OR SUMP BLEED LINE 1 25 4 MM DIA MIN CUSTOMER FUR NISHED EXTEND 6 152 MM BELOW PUMP OFF LIQUID LEVEL Figure 3 Typical Automatic Air Release Valve In...

Страница 14: ...be aligned to the axis of the pump shaft in both the horizontal and vertical planes Most couplings require a specific gap or clearance between the 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 outer ends of the coupling hub every 90 The coupling is in a...

Страница 15: ...wer source Do not operate the pump without the guard in place over the rotating parts exposed rotating parts can catch cloth ing fingers or tools causing severe in jury to personnel DRIVE BELT TENSIONING General Rules of Tensioning For new drive belts check the tension after 5 20 and 50 hours of operation and re tension as re quired see the following procedure for measuring belt tension Thereafter...

Страница 16: ...tion of a dry pump will destroy the seal assembly Add liquid to the pump casing when 1 The pump is being put into service for the first time 2 The pump has not been used for a consider able length of time 3 The liquid in the pump casing has evapo rated Once the pump casing has been filled the pump will prime and reprime as necessary After filling the pump casing reinstall and tighten the fill plug...

Страница 17: ...ls to prime within five minutes stop it and check the suction line for leaks After the pump has been primed partially close the discharge line throttling valve in order to fill the line slowly and guard against excessive shock pres sure which could damage pipe ends gaskets sprinkler heads and any other fixtures connected to the line When the discharge line is completely filled adjust the throttlin...

Страница 18: ... does not check for air leaks in the seal gasket or dis charge valve Open the suction line and read the vacuum gauge with the pump primed and at operation speed Shut off the pump The vacuum gauge reading will immediately drop proportionate to static suction lift and should then stabilize If the vacuum reading falls off rapidly after stabilization an air leak exists Before checking for the source o...

Страница 19: ...mperature for future reference A sudden increase in bearing temperature is a warning that the bearings are at the point of failing to operate properly Make certain that the bearing lubricant is of the proper viscosity and at the cor rect level see LUBRICATION in MAINTENANCE AND REPAIR Bearing overheating can also be caused by shaft misalignment and or excessive vi bration When pumps are first star...

Страница 20: ...n and discharge valves 6 Vent the pump slowly and cautiously 7 Drain the pump TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP FAILS TO PRIME Suction check valve contaminated or damaged Clean or replace check valve Air leak in suction line Lining of suction hose collapsed Correct leak Replace suction hose Leaking or worn seal or pump gasket Check pump vacuum Replace leaking or worn seal or gasket Sucti...

Страница 21: ...ge valve Liquid solution too thick Dilute if possible Bearing s frozen Disassemble pump and check bearing s Liquid solution too thick Dilute if possible Discharge flow too slow Open discharge valve fully to in crease flow rate and run power source at maximum governed speed Suction check valve or foot valve clogged or binding Clean valve PUMP STOPS OR FAILS TO DELIVER RATED FLOW OR PRESSURE Air lea...

Страница 22: ... provide general recommendations and practices for preventive maintenance Regardless of the application however following a routine pre ventive maintenance schedule will help assure trouble free performance and long life from your Gorman Rupp pump For specific questions con cerning your application contact your Gorman Rupp distributor or the Gorman Rupp Company Record keeping is an essential compo...

Страница 23: ...ar 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 intermittent duty cycle equal to approximately 4000 hours annually Adjust sche...

Страница 24: ...sea level with minimum suction lift Since pump installations are seldom identical your performance may be dif ferent 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 condi...

Страница 25: ...MAINTENANCE REPAIR PAGE E 2 PARTSPAGE ILLUSTRATION 20 19 1 27 23 26 13 12 28 34 36 35 10 24 31 16 9 30 15 14 14 22 8 8 8 8 4 4 11 38 18 33 33 29 25 37 21 21 21 5 37 2 3 7 6 5 5 39 23 40 Figure 1 Pump Model U6B65S B Including F ...

Страница 26: ...7090 6 22 HEX NUT D06 17090 4 23 O RING 25154 381 2 24 O RING 25154 454 1 25 STUD C1213 1706G 4 26 ADJUSTING SCREW 31871 070 1704G 4 27 BACK COVER NUT 31871 073 17040 4 28 LOCK COLLAR 38115 551 17040 4 29 HEX HEAD CAP SCREW B0804 1 2 17090 4 30 6 FLAP VALVE ASSY 46411 094 1 31 CHECK VALVE PIN 11645 17090 1 33 HEX HEAD CAP SCREW B0604 17090 2 34 HANDLE 12354 17040 1 35 GASKET 1679G 19410 1 36 DISCH...

Страница 27: ...05670 SUPER U SERIES MAINTENANCE REPAIR PAGE E 4 ILLUSTRATION 1 7 5 30 10 9 4 3 17 17 2 6 11 11 11 14 13 8 15 12 19 23 22 29 20 31 25 18 24 21 32 33 33 26 SEAL AREA DETAIL Figure 2 Repair Rotating Assembly ...

Страница 28: ...13 HEX HEAD CAP SCREW B1006 17090 4 14 HEX HEAD CAP SCREW B0605 1 2 17090 6 15 LOCK WASHER J06 17090 6 16 PIPE PLUG P12 17090 1 17 SIGHT GAUGE 26714 021 2 18 KEY N0612 17040 1 19 RETAINING RING S215 1 20 1 88 DIA SEAL ASSEMBLY 46512 192 1 21 PIPE PLUG P04 17090 3 22 O RING 25154 252 1 23 VENTED PIPE PLUG 4823A 17040 1 24 REDUCER PIPE BUSHING AP0802 17040 1 25 VENT 26717 006 1 26 ADJ SHIM SET 5091 ...

Страница 29: ... pate and provide detailed instructions and precautions for every situation that might occur during maintenance of the unit Therefore it is the responsibility of the owner maintenance personnel to ensure that only safe established main tenance procedures are used and that any procedures not addressed in this manual are performed only after estab lishing that neither personal safety nor pump integr...

Страница 30: ... ity drain plug 21 and drain the seal lubricant This will prevent the oil in the seal cavity from escaping when the impeller is loosened Clean and reinstall the seal cavity drain plug Immobilize the impeller by wedging a block wood between the vanes and the pump casing and re move the impeller capscrew and washer 7 and 8 Install the shaft key 18 Install a lathe dog on the drive end of the shaft 2 ...

Страница 31: ...ly worn Remove the impeller adjusting shims 26 tie and tag the shims or measure and record their thick ness for ease of reassembly Seal Removal and Disassembly Figure 2 Remove the seal spring Apply oil to the shaft adja cent to the seal and work it up under the bellows Slide the rotating portion of the seal off the shaft Use a stiff wire with a hooked end to remove the stationary portion of the se...

Страница 32: ...at with light oil Bearings must be kept free of all dirt and foreign material Failure to do so will great ly shorten bearing life Do not spin dry bearings This may scratch the balls or races and cause premature bearing fail ure Rotate the bearings by hand to check for rough ness or binding and inspect the bearing balls If ro tation is rough or the bearing balls are discolored replace the bearings ...

Страница 33: ... when handling hot bear ings to prevent burns NOTE Position the inboard bearing 10 on the shaft as in dicated by the following illustration INSTALLATION OF NEW DEPARTURE OR BCA FEDERAL MOGAL 5300W SERIES BEARINGS OPEN OR ENCLOSED IMPELLERS INSTALLATION OF MRC SKF 5300M OR FAFNIR 5300W SERIES BEARINGS OPEN OR ENCLOSED IMPELLERS LOADING DIRECTION OF THRUST BALL LOADING GROOVE POSITIONED AWAY FROM IM...

Страница 34: ...ng cap with the hardware 14 and 15 Be careful not to damage the oil seal lip on the shaft keyway Lubricate the bearing housing as indicated in LU BRICATION Seal Installation Figures 2 and 6 Clean 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 excessive heat sparks and flame Re...

Страница 35: ...asket 5 Position the seal plate 4 and stationary seat over the shaft and se cure it to the bearing housing with the hardware 12 and 13 Be careful not to damage the station ary element on the shaft threads NOTE It is recommended that a tapered sleeve be installed over the threads of the impeller shaft to ease installation of the rotating seal components Lubricate the shaft 2 with a small amount of ...

Страница 36: ...er the rotating assembly is installed in the pump casing coat the threads of the impeller capscrew 8 with Never Seez or equivalent compound and install the impeller washer 7 and capscrew torque the capscrew to 90 ft lbs 1080 in lbs or 12 4 m kg Rotating Assembly Installation Figure 1 A repair rotating assembly is shipped dry of lubricant Refer to lubricatioon at the end of this section before inst...

Страница 37: ...k side of the cover plate Align the back cover plate over the studs 25 and slide it into the pump casing Use two back cover nuts 27 on diagonally opposing studs to press the back cover into the pump casing until the wear plate just touches the impeller when the shaft is turned by hand Tighten the back cover nuts evenly to avoid binding With the wear plate just touching the impeller turn the two fr...

Страница 38: ...nections are tight properly supported and secure Be sure the pump and power source have been properly lubricated see LUBRICATION Remove the fill cover assembly 9 and fill the pump casing with clean liquid Reinstall the fill cover and tighten it Refer to OPERATION Section C before putting the pump back into service LUBRICATION Seal Assembly Figure 2 Check the oil level regularly through the sight g...

Страница 39: ...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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