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TABLE OF CONTENTS

(continued)

PUMP AND GEARBOX DISASSEMBLY AND REASSEMBLY

PAGE E - 10

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Suction And Discharge Check Valve Removal

PAGE E - 10

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Diaphragm Removal

PAGE E - 10

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Plunger Rod Removal And Disassembly

PAGE E - 11

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Gearbox Removal And Disassembly

PAGE E - 11

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Gearbox Reassembly And Installation

PAGE E - 13

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Plunger Rod Reassembly And Installation

PAGE E - 14

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Diaphragm Installation

PAGE E - 15

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Suction And Discharge Check Valve Installation

PAGE E - 15

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LUBRICATION

PAGE E - 15

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Plunger Rod Assembly

PAGE E - 15

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Gearbox

PAGE E - 16

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Содержание 3D-B

Страница 1: ...OM 01490 04 June 17 1987 Rev F 07 05 19 GORMAN RUPP PUMPS www grpumps com e1987 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST D SERIES PUMP MODEL 3D 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: ...LINES PAGE B 4 Siphoning PAGE B 4 Valves PAGE B 4 ALIGNMENT PAGE B 4 ELECTRICAL CONNECTIONS PAGE B 5 OPERATION SECTION C PAGE C 1 STARTING PAGE C 1 OPERATION PAGE C 1 Priming PAGE C 1 OPERATION CHECKS PAGE C 1 Gearbox Check PAGE C 1 Leakage Check PAGE C 1 Strainer Check PAGE C 1 Accumulator Chamber Check PAGE C 1 STOPPING PAGE C 2 Cold Weather Preservation PAGE C 2 GEARBOX TEMPERATURE CHECK PAGE C...

Страница 4: ... PAGE E 10 Plunger Rod Removal And Disassembly PAGE E 11 Gearbox Removal And Disassembly PAGE E 11 Gearbox Reassembly And Installation PAGE E 13 Plunger Rod Reassembly And Installation PAGE E 14 Diaphragm Installation PAGE E 15 Suction And Discharge Check Valve Installation PAGE E 15 LUBRICATION PAGE E 15 Plunger Rod Assembly PAGE E 15 Gearbox PAGE E 16 ...

Страница 5: ...hat neither 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 The Gorman Rupp Company P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp o...

Страница 6: ...pump is designed to handle non volatile non flammable liquids contain ing specified entrained solids Do not attempt to pump volatile corrosive or flammable liquids which may damage the pump or endanger personnel as a result of pump failure After the pump has been installed block the wheels and secure the pump to pre vent creeping Make certain that the pump and all piping or hose connec tions are t...

Страница 7: ... excessive friction loss resulting in overloading and destruction of pump and drive components It is strongly recom mended that unless absolutely necessary no positive shut off valve be installed in the suction line excessive restriction will cause incomplete filling of the diaphragm chamber and result in shortened dia phragm life ...

Страница 8: ...ory Before installation inspect the pump for damage which may have oc curred during shipment Check as follows a Inspect the pump for cracks dents damaged threads and other obvious damage b Check for and tighten loose attaching hard ware Since gaskets tend to shrink after dry ing check for loose hardware at mating sur faces c Carefully read all tags decals and markings on the pump assembly and perf...

Страница 9: ...ns used to lift and move the unit are improperly wrapped around the pump Mounting Locate the pump in an accessible place as close as practical to the liquid being pumped Level mount ing is essential for proper operation The pump may have to be supported or shimmed to provide for level operation or to eliminate vibra tion After the pump has been positioned block the wheels and secure the pump to pr...

Страница 10: ...e fab ricated from pipe as shown in Figure 2 AIR CHAMBERS 18 TO 24 INCH LENGTHS OF 6 TO 8 INCH DIAMETER PIPE WITH WELDED CAPS DISCHARGE CHAMBER DISCHARGE FLEXIBLE JOINT FLEXIBLE JOINT SUCTION CHAMBER 1 2 INCH VALVE FOR RECHARGING AIR CHAMBER WITH COMPRESSED AIR ALSO ON DISCHARGE CHAMBER SUCTION NOTE INSTALL AIR CHAMBERS OFF FLOW LINE TEES TO AVOID SURFACE TURBULENCE WITHIN CHAMBERS Figure 2 Fixed ...

Страница 11: ...rainer is not furnished with the pump but is installed by the pump user make certain that the total area of the openings in the strainer is at least three or four times the cross section of the suction line and that the openings will not permit passage of solids larger than the solids handling capability of the pump This pump is designed to handle up to 2 1 4 inch 57 2 mm diameter spherical solids...

Страница 12: ...es every 90_ The coupling is in alignment when the hubs are the same distance apart at all points To check parallel adjustment lay a straightedge across both coupling halves at the top bottom and sides The horizontal parallel adjustment is correct when the straightedge rests evenly on both halves of the coupling at all points Use a feeler gauge be tween the coupling to measure any misalignment Do ...

Страница 13: ...ause incomplete filling of the diaphragm chamber and result in short ened diaphragm life No positive shut off valve should be installed in the discharge line STARTING Consult the operations manual furnished with the motor before starting the pump Open any valves installed in the suction line and start the pump Rotation The correct direction of rotation is indicated by an arrow on the gearbox accom...

Страница 14: ... remain inoperative If the pump will be idle for more than a few hours or if it has been pumping liquids containing a large amount of solids flush it with clean water Cold Weather Preservation The primary construction materials of this pump are aluminum with neoprene flap valves and diaphragm Do not attempt to clean or flush this pump with any liquid which would attack pump fittings or com ponents...

Страница 15: ...ining of suction hose collapsed Replace suction hose Integral suction or discharge check Clean valves check that flange nuts valve clogged binding or not seating are tight properly Cracked or broken diaphragm Replace diaphragm Diaphragm not securely in place Secure diaphragm Strainer clogged Check strainer and clean if necessary Air leak in suction line Correct leak Suction intake not properly sub...

Страница 16: ...gral suction or discharge check Clean valves check that flange nuts valve clogged binding or not seating are tight properly Liquid solution too thick Dilute if possible Pump gearbox or motor not Check and tighten mounting bolts securely mounted Gearbox or motor not properly See LUBRICATION in MAINTE lubricated NANCE AND REPAIR Bearing temperature is high but within Check bearing temperature regula...

Страница 17: ...TANDARD PERFORMANCE TEST DATA FOR PUMP MODEL 3D B Based on 70_ F 21_ C clear water at sea level with minimum suction lift using 3 inch 7 62 cm suction hose and 4 inch 10 16 cm non collapsible discharge hose Since pump installations are sel dom identical your performance may be different due to such factors as viscosity specific gravity elevation temperature and impeller trim If your pump serial nu...

Страница 18: ...D SERIES OM 01490 MAINTENANCE REPAIR PAGE E 2 ILLUSTRATION PARTSPAGE Figure 1 Pump Model 3D B ...

Страница 19: ...X NUT 21765 314 4 19 AXLE 4607AD 15990 1 20 SPACE WASHER 5382 15991 4 21 HAIRCLIP PIN 21183 010 4 22 HEX HD CAPSCREW B0403 15991 2 23 FLAT WASHER K04 15991 2 24 FLANGED HEX NUT 21765 310 2 25 BASE 13583 24000 1 26 HEX HD CAPSCREW B0608 15991 5 27 FLANGED HEX NUT 21765 314 5 28 PLUNGER ROD ASSY 5685 1 29 DRAW BAR 5438 15990 1 30 U BOLT 5495 15991 2 31 FLANGED HEX NUT 21765 314 4 32 SUCTION STICKER ...

Страница 20: ...D SERIES OM 01490 MAINTENANCE REPAIR PAGE E 4 ILLUSTRATION Figure 2 46475 701 Diaphragm Pot Assembly ...

Страница 21: ... RED PIPE BUSHING AP4832 11999 1 12 STUD C0810 15991 2 13 FLAT WASHER K07 15991 2 14 HEX NUT D08 15991 2 15 VALVE SEAT 5374 10010 1 16 GASKET 5374G 19100 1 17 DIAPHRAGM POT DRAIN PLUG P06 15079 1 18 DIAPHRAGM POT 5375 13010 1 19 GASKET 5374G 19100 1 20 STUD C0809 15991 2 21 FLAT WASHER K07 15991 2 22 HEX NUT D08 15991 2 23 DISCHARGE FLANGE 5377 13040 1 24 GASKET 5374G 19100 1 25 VALVE SEAT 5374 10...

Страница 22: ...D SERIES OM 01490 MAINTENANCE REPAIR PAGE E 6 ILLUSTRATION Figure 3 Standard 5685 Plunger Rod Assembly ...

Страница 23: ...HER AK12 15991 1 4 JAM NUT AT12 15991 1 5 SPRING WASHER 5384 15991 1 6 SPRING 5398 16081 1 7 FLAT WASHER K20 15991 1 8 DIAPHRAGM PLATE 5381 0010 1 9 DIAPHRAM 26844 041 1 10 DIAPHRAGM PLATE ASSY 5394 1 11 DIAPHRAGM PLATE NOT AVAILABLE 1 12 STUD C0808 15991 3 13 HEX NUT D08 15991 3 14 PLUNGER ROD 21612 577 1 15 LUBRICATION FITTING S191 1 16 LUBRICATION FITTING S191 1 INDICATES PARTS RECOMMENDED FOR ...

Страница 24: ...D SERIES OM 01490 MAINTENANCE REPAIR PAGE E 8 ILLUSTRATION Figure 4 8981 Gearbox Assembly ...

Страница 25: ... S825 1 15 INTERNAL GEAR S823 1 16 BEARING HOUSING 5918 13010 1 17 STR DOWEL PIN AA0405 15990 2 18 PINION BRG BUSH S824 1 19 WASHER 2M 15990 3 20 KEY N0304 15990 1 21 OIL SEAL ASSY 14408 1 22 OIL SEAL ADAPTER 14407 15000 1 23 OIL SEAL 25227 355 1 24 SNAP RING S269 1 25 BALL BEARING S1044 1 25A BALL BEARING S1044 1 26 DRIVE PINION 5917 16070 1 27 SLEEVE 5922 15070 1 28 WASHER 5921 15990 1 29 OIL CU...

Страница 26: ... practices Before attempting to service the pump shut off in coming power to the motor and lock it out to ensure that it will remain inoperative Close all valves in the suction and discharge lines For motor disassembly and repair consult the lit erature supplied with the motor or contact your lo cal motor representative Before attempting to open or service the pump 1 Familiarize yourself with this...

Страница 27: ...he upper diaphragm plate 8 Inspect the diaphragm and replace a required If no further disassembly is required see Dia phragm Installation Plunger Rod Removal And Disassembly Figure 1 With the diaphragm pot assembly and diaphragm removed disengage the hardware 2 3 4 42 43 and 44 and remove the eccentric guard 1 Removing the snap ring 6 and slide the plunger rod assembly 27 off the eccentric cam 33 ...

Страница 28: ...ngs are removed Clean the bearing housing shaft and all compo nent parts except the bearings with a soft cloth soaked in cleaning solvent Inspect the parts for wear or damage and replace as necessary Most cleaning solvents are toxic and flammable Use them only in a well ven tilated area free from excessive heat sparks and flame Read and follow all precautions printed on solvent contain ers Clean t...

Страница 29: ... the capscrew 3 Use an arbor or hydraulic press to remove the bearings 4 and 4A from the gear housing It is not necessary to remove the locating pins 17 from the gear housing unless they are bent or dam aged If replacement is required press the pins from the housing Gearbox Reassembly And Installation Figure 4 Inspect the shafts 26 31 and 35 for distortion nicks or scratches Dress small nicks and ...

Страница 30: ... and secure with the snap ring 37 Press the pinion bearing 32 into the gear housing until the closed end is flush with the outer face of the bore Press the internal gear 15 onto the pinion shaft until it seats squarely against the pinion shoulder Position the spacer washer 30 in the gear hous ing and slide the pinion shaft through the washer and into the pinion bearing Press the pinion bushing 18 ...

Страница 31: ...the diaphragm plate must face the same direction as the lubrication fit ting 16 in the eccentric cap Lubricate the eccentric bearing 2 with a thin coat ing of No 2 lithium base grease Diaphragm Installation Figure 3 Position the diaphragm 9 on the upper dia phragm plate making sure the lip is properly seated Slide the studs 12 in the lower diaphragm plate 11 through the holes in the upper plate an...

Страница 32: ...nger rod as sembly rotate the eccentric cam until the grease fittings 15 and 16 can be accessed through the holes in the eccentric guard 1 Figure 1 Use a grease gun to apply No 2 lithium base grease to the upper lubrication fitting until grease escapes from the eccentric cap Lubricate the low er fitting until grease escapes from the top of the upper diaphragm plate inside the spring Gearbox Figure...

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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