Product Service Manual for (A)G6D_(C) (S)-137, 350
Contents
1. C Face Pumps IDP QTY DESCRIPTION KIT IDP QTY DESCRIPTION KIT 1 1 Case 43 2 Bearing Retainer 2 1 Inlet Head 46 1 Inboard Cover XX 4 16 Cap Screws Qty 8 on size 400 C 47 2 Bearing Retainer Hex Bolts face and all size 137 6 1 Pin Stop 48 1 Seal Seat Adapter 7 1 Fastener Seal X 49 1 Ball Bearing X 8 2 Housing Snap Rings XX 63 1 Power Rotor XX 9 2 Cover Gasket or O rings X 67 2 Pipe Plug 21 2 Suction Idlers XX 68 1 Tube Fitting Not 137 22 1 Balance Piston Housing Not On XX 69 1 Pipe Nipple Not 137 23 2 Cups XX 70 1 Tubing Fitting 24 1 Discharge Housing XX 71 1 Seal Pipe 25 1 Mechanical Seal X 73 1 Inlet Housing XX 26 2 Housing Tube 74 1 Pipe Fitting 27 6 Thrust Tube O Rings X 83 1 Seal Gasket X 28 2 Housing O Ring X 86 1 Balance Piston X C face Pumps Only 29 1 Thrust Plate XX 95 8 Hex Nuts 400 size C face only 31 1 Key 100 1 Balance Tube 35 2 Discharge Idlers XX 101 2 Thrust Plate Spacer 38 2 Seal Spacer Not 137 Size 102 2 Thrust Plate Hex Bolt 42 2 Bearing Retaining Ring X X Minor Repair Kit Items XX Major Repair Kit Items Items marked X are included in Major Repair Kit H PUMP MAINTENANCE pressure fluid jets WARNING Failure to observe precautions while installing inspecting and maintaining pump can cause injury to personnel from accidental handling of liquids that may harm skin or clothing or2. EMBE if x SLOT IN BEARING SPACERTO LINE UP WITH HOLE IN COVER 223 29 2 35 22 25 4 9 48 67 is P B mE cea EN 2 A Sone A 2 2 E 2 574 c 29 e NON 1 ES Ny Rm 7 N m pra fsa 404 TORQUE TO 65 5 LB FT era x i F N iy llis 102 LA V M uL ur NN NONE N NK V d ee 69 1 4 sy 1190 i N TENOR 23 21 35 28 25 42 3l Mo 68 TORQUE TO 45 5 LB FT 71 2 27 00 27 27 26 6 7 27 46 70 83 43 47 EX SSN OUTLET 06 s SN 4 TNI 1 4 iY rd N Kn A ay p E gt 7 4 2 y q LJ Jy 7 i HOW M ZI N 7 H i aN No
3. Never operate with thin liquids such as solvents or water Pump is designed for liquids having general characteristics of oil F 2 OPERATING LIMITS CAUTION requirements are within pump s capabilities ATTENTION Operating conditions such as speed fluid viscosity temperature inlet pressure discharge pressure filtration duty cycle drive type mounting etc are interrelated Due to these variable conditions specific application limits may be different from operational limitations Equipment must not be operated without verifying system operating Under no circumstances are the following operating limits specified in table 1 to be exceeded without specific approval from Imo Pump Table 1 Normal Pump Operating and Structural Limits Condition Limit Maximum Speed Minimum Viscosity Maximum Viscosity figure 1 1 Letter Designator B 1 Letter Designator H Minimum Liquid Temperature Maximum Liquid Temperature figure 1 1 Letter Designator B 1 Letter Designator Maximum Inlet Pressure Maximum Discharge Pressure Continuous Duty Filtration Drive Mounting 2500 rpm for 350 and 400 sizes 4400 rpm for 137 size 32 SSU 2500 SSU 15000 SSU 0 180 220 F 50 psig for 350 and 400 sizes 75 Psig for 137 size 1500 psig Refer to General Instruction Manual 5 00046 Direct Any attitude G PARTS LIST Table 2 Pump Parts List
4. 46 by heating it to loosen loctite Be sure to remove all traces of the old loctite before installing new bushing Clean and dry inboard cover 46 and balance piston bushing 86 mating surfaces with solvent Wipe Loctite 747 Primer or equivalent onto the mating surfaces of bushing 86 and inboard cover 46 Allow 1 to 5 minutes until primer is visibly dry Apply Locitite 609 or equivalent to bushing 86 and inboard cover 46 mating surfaces Assemble bushing 86 into inboard cover 46 Allow 10 minutes to dry before proceeding with assembly Install O ring 28 on inboard cover Install O rings 27 on tube 26 and tube 26 in inboard cover 46 Install inboard cover 46 onto studs in discharge port side of case 1 using hex nuts 95 Ensure seal vent 70 is facing up and pin 26 in inboard cover 46 mates with hole in housing 24 Torque bolts 95 to value on appropriate assembly drawing Skip to step 14 Install O ring 28 on balance piston housing 22 Install O ring 27 on tube 26 and tube 26 in balance piston housing 22 Install balance piston housing 22 in case 1 lining up tube 26 in balance piston housing 22 with hole in rotor housing 24 Install gasket 9 on inboard cover 46 Install inboard cover 46 into discharge port side of case 1 using bolts 4 Ensure seal vent 70 is facing up Torque bolts 4 to value on appropriate assembly drawing Assemble power rotor 63 and mechanica
5. N F _ m lt Dem B A Pd bs N a DN S iE i S w MEX F 77 7 z A 2 a 63 52 Y 197 10 4 8 73 Cra 38 Sd Sup i 227 7 TORQUE TO v 53151 TORQUE TO 180 10 LB FT f js J Hl q Oef 21 JI A a A gt J FR INSTALL BUSHING IDP 86 TO END COVER IDP 46 SLOT IN BEARING SPACERTO __ USING LOCTITE ES 2 3 3 DI PER ES 3 14 1 LINE UP WITH HOLE IN COVER IDLER STOP LUGS TO BE LOCATED ON HORIZONTAL CENTERLINE AS SHOWN p 77 o a a os 28 48 67 223 35 86 Me N g rN ed i We 29 Eo L gt M b y pipe PA AN 1 ERN Ne r N TORQUE TO E S RY e5 5LBFT mU N BE E TH rm um Hr ir 102 NI N U Y 7 2 N Y 2 7 1 NI AN NERIS BN N JH H 4 d pred LA AZ J A 23 2 135 28 25 42 518 SECTION B B TORQUE TO __ 45 5 LB FT no ZU T diu um ESN NA OT NL 26 6 7 27 46 70 83 43 47 2 27 100
6. fire hazard risks from flammable liquids or injury from high A DANGER BEFORE working on equipment make sure all power to equipment is disconnected and locked out H 1 GENERAL COMMENTS NOTE Part number identifiers IDP contained within parenthesis such as 9 refer to circled numbers shown on assembly drawings Figures 2 through 7 De energize driver before starting with any maintenance action H 2 TOOLS REQUIRED Procedures described in this manual require common mechanics hand tools a torque wrench dial indicators for alignment and a suitable lifting device such as slings straps etc H 3 Pump Disassembly Procedure AN CAUTION Fluid leakage from disassembly of pump may make floor slippery and cause personal injury Note To service mechanical seal and ball bearing only perform H 3 steps 1 thru 5 4 Steps 14 through 17 Determine pump model identification on pump nameplate to select applicable pump assembly shown in Figures 2 thru 7 Refer to appropriate assembly for the following instructions Close suction and discharge valves Drain pump by removing drain plugs 67 Remove seal tubing 71 Remove pump from driver coupling and base plate Remove coupling hub and key 31 2 Remove bearing retainer 43 from inboard cover 46 by removing bolts 47 3 Remove assembled power rotor 63 from inboard cover 46 Removal of power rotor 63 includes rem
7. with troubleshooting see the General Instruction Manual SRM00046 J FIELD AND FACTORY SERVICE AND PARTS Imo Pump maintains a staff of trained service personnel that can provide pump installation pump start up maintenance overhaul and troubleshooting supervision as well as installation and maintenance training Our factories provide maintenance as well as overhaul and test facilities in the event user prefers to return pumps for inspection or overhaul Factory overhauled pumps are normally tested and warranted as new for a period of one year from date of shipment For either field service or factory overhaul assistance contact your local Imo Sales Office or representative at Technical Customer Service Department in Monroe NC USA Most pumps have repair kits available Minor Repair Kits are used to repair leaking seals bad bearings and or for re assembly after pump tear down They include pump shaft seals all gaskets O rings and bearings Major Repair Kits are sufficient to rebuild completely worn out pumps to as new condition They include all parts found in Minor Repair Kits plus all major internal parts subject to wear Since kits have all necessary parts kit purchase is preferred rather than selecting individual parts When parts are individually selected from Parts List some needed components are often overlooked In addition mixing worn or used parts with new parts risks rapid wear and shortened service life from new parts dece
8. 27 fF NA MCN 5 F j N V N INLET m lt EN 24 PEN ae 8 73 38 95 Io 4 S CA LA Veg SECTION A A 27 TORQUE TO 8 x em ll L1 jl Moa 4T E EENS WI V x FIGURE 6 TORQUE TO 50 5 LB FT ie 5 LB IN li 1 M E DEI T HM IG LUE ds 7 NM NN yaa AT TORQUE t 50 51 TORQUE TO 100 IO LB IN ma LA WA A 3 dee Ed P BG6D 137 FIGURE 7 SLOT BEARING SPACER TO INSTALL BUSHING IDP 86 TO END COVER IDP 46 USING LOCTITE ES 2 3 3 01 PER ES 3 14 1 LINE UP WITH HOLE IN COVER IDLER STOP LUGS TO BE LOCATED _ ON HORIZONTAL CENTERLINES AS SHOWN ORQUE TO 50 5 LB FT 9 9 XV ET e asi IA Ten ALEN TJ Lu e liz MA mm Ez AL SI SEL Bu EN cfr 25 K F 26 X TORQUE TO 75 5 LB IN TORQUE TO 70 42 e AL TORQUE TO 100 46 100 101 INLET OUTLET Ja EBEN a SS re ine ee SS hg NS Sit G6D C 137 CERTIFIED ISO 8001 AS ANSI RABES R 27 Accredi
9. 50 and 400 series pumps NOTE Individual contracts may have specific provisions that vary from this manual Should any questions arise which may not be answered by these instructions refer to the General Instructions Manual SRM00046 provided with your order For further detailed information and technical assistance please refer to Imo Pump Technical Customer Service Department at 704 289 6511 This manual cannot possibly cover every situation connected with the installation operation inspection and maintenance of equipment supplied Every effort was made to prepare text of manual so that engineering and design data is transformed into the most easily understood wording Imo Pump must assume personnel assigned to operate and maintain supplied equipment and apply this instruction manual have sufficient technical knowledge and are experienced to apply sound safety and operational practices which may not be otherwise covered by this manual In applications where equipment furnished by Imo Pump is to become part of processing machinery these instructions should be thoroughly reviewed to ensure proper fit of said equipment into overall plant operational procedures AN WARNING If installation operation and maintenance instructions are not correctly and strictly followed and observed injury to personnel or serious damage to pump could result Imo Pump cannot accept responsibility for unsatisfactory performance or damage resulting from
10. 63 Install gasket 83 in seal bore of inboard cover 46 Install assembled power rotor 63 in pump centering all parts as they enter inboard cover 46 Align one of openings in spacer 48 over drain in inboard cover 46 Install bearing retainer 43 on inboard cover 46 using bolts 47 Torque bolts 47 to value on appropriate assembly drawing Install idlers 35 and then 21 into housings 24 73 by meshing threads with power rotor thread Install cups 23 on idlers 21 Install bolts 102 in thrust plate 29 and spacers 101 on bolts 102 Install O rings 27 on tube 100 and tube 100 into housing 73 Install thrust plate assembly including thrust plate 29 bolts 102 and spacer 101 on housing 73 Be sure seal return hole in thrust plate 29 mates to tube 100 in housing 73 Torque bolts 102 to value on appropriate assembly drawing Install gasket 9 on inlet head 2 and install inlet head 2 on case 1 using hex bolts 4 Torque bolts 4 to value on appropriate assembly drawing NOTE Inlet head 2 can be rotated and repositioned in 90 degree increments to suit suction piping To change inlet position remove bolts 4 and rotate inlet head to desired position Install bolts 4 and torque to proper values indicated on assembly drawing Install coupling hub key 16 Install and align pump and driver as specified in General Instruction Manual SRM00046 TROUBLESHOOTING For assistance
11. COLFMX Fluid Handling Product Service Manual for A G6D_ C S 137 350 and 400 SERIES PUMPS AN WARNING This Instruction Manual and General Instructions Manual SRM00046 should be read thoroughly prior to pump installation operation or maintenance SRMO001 13 Rev 0 ALLWEILER COT PURITECH HOUTTUIN IMO LSC MAY 2012 Imo Pump 1710 Airport Road PO Box 5020 Monroe NC USA 28111 5020 Tel 1 704 289 6511 Email cc colfaxcorp com Web colfaxcorp com ROSSCOR TUSHACO WARREN READ THIS ENTIRE PAGE BEFORE PROCEEDING FOR SAFETY OF PERSONNEL AND TO PREVENT DAMAGE TO EQUIPMENT THE FOLLOWING NOMENCLATURE HAS BEEN USED IN THIS MANUAL AN Failure to observe precautions noted in this box can result in severe bodily injury or loss of life Failure to observe precautions noted in this box can cause injury to personnel by accidental contact with equipment or liquids Protection should be provided by user to prevent accidental contact DANGER WARNING CAUTION ATTENTION Failure to observe precautions noted in this box can cause damage or failure of equipment Non compliance of safety instructions identified by the following symbol could affect safety for Safety instructions where electrical safety is involved are identified by Safety instructions which shall be considered for reasons of safe operation of pump and or
12. at adapter 48 Discard O ring d If seal is multi spring type disengage set screw and remove rotating seal seat If seal is a single spring rubber bellows type remove it from shaft with a rotating motion e Remove spacer 38 from shaft where applicable Remove gasket 83 from inboard end cover 46 Remove inboard cover 46 by removing bolts 4 or nuts 93 if pump is 400 size and remove gasket 9 or if pump is a C face mount type O ring 28 If pump is size 400 C face model be sure not to damage studs in case 1 when removing inboard cover 46 CAUTION ATTENTION 7 Remove inlet head 2 from case 1 by removing bolts 4 Remove and discard gasket 9 from inlet head 2 8 Remove thrust plate 29 and spacers 101 by removing bolts 102 9 Remove seal return tube 100 with O rings 27 Remove and discard O rings 27 10 Remove cups 23 from idlers 21 and idlers 21 35 from housings 73 24 CAUTION ATTENTION Do not permit idlers 21 35 to drop as they emerge from housing 2 11 Remove snap rings 8 from case 1 Remove pin stop 6 with fastener seal 7 from case 1 12 If pump is a C face model skip to step 14 if not proceed to next step 13 Remove balance piston housing 22 by pushing it out through the discharge end of the case 1 with the housings 73 24 Remove and discard balance piston housing O ring 28 14 Remove hou
13. failure to comply with instructions B INTRODUCTION This instruction manual covers series A G6D C 137 350 and 400 Imo pumps This series of pumps has been designed for use in hydraulic lubricating seal distillate residual fuel and crude oil applications The model and design construction of each pump can be identified by the designator code on the pump nameplate Definitions of model designators are identified in figure 1 C DESCRIPTION OF EQUIPMENT A G6D C 137 350 and 400 series pumps are positive displacement rotary screw pumps consisting of precision bored housings which enclose a driven screw power rotor and intermeshing following screws idler rotors These screws when rotating form a succession of closures or cavities As they rotate fluid is moved axially from inlet port to outlet port in a continuous uniform flow with minimum fluid pulsation and pump noise D PUMP MODEL IDENTIFICATION This instruction manual covers Imo Series A G6D C 137 350 and 400 pumps The model of each pump is identified on pump nameplate Refer to figure 1 and table 1 for instructional keys when using this manual Figure 1 Model Designator Definitions AG 60 X X XX 350 X Design Lead and Rotation Modification 137 Rotor Size Blank 2D CW D 2D CCW Series 10 CW AL 1 30 CW 350 Rotor Size Blank 2D CW D 2D CCW 1st Letter Designator Seal Design G 1 8D CW AN 1 250 CW B Rubber Be
14. l seal 25 as follows See Figure 1 for seal drawings a Assemble spacer 38 onto shaft 63 where applicable 15 16 17 18 19 20 21 22 23 24 b If seal is a single spring rubber bellows type apply light coat of system fluid to inside diameter of bellows and slide mechanical seal rotating assembly on power rotor 63 until it seats against the shoulder of seal spacer 38 Wipe seal face with isopropyl alcohol and a lint free rag C If seal is a multi spring seal coat O ring inside of rotating seat with system fluid and slide mechanical seal rotating assembly on power rotor 63 until it seats against the shoulder of seal spacer 38 Tighten rotating seat set screw Wipe seal face with isopropyl alcohol and a lint free rag d Install O ring in groove of mechanical seal stationary seat Install seat including O ring in seal seat adapter 48 ensuring that groove in back of stationary seat mates to spring pin in seal seat adapter 48 Clean seal face with isopropyl alcohol and a lint free rag Put small amount of clean system fluid or light oil on seal running face Install stationary seat running face against rotating seat face e Install inner snap ring 42 in groove of power rotor 63 f Press bearing 49 on power rotor 63 using an installation sleeve by pressing only on inner race until it is located next to inner snap ring 42 g Install outer snap ring 42 in groove of power rotor
15. llows Buna Fitted J 1 5DCW P 1 6D CW Std Bearing 400 Rotor Size H Positive Drive Viton O ring Blank 2D CW D 2D CCW Fitted Hi Temp Bearing P 1 6D CW 1 350 CCW K Special Mounting No Seal N Metal Bellows Seal Viton Fitted X Special Seal Rotor Size 137 350 400 4th Letter Designator T Carbide Seat X Special Material Or Construction 2nd Letter Designator C Circular Mounting Flange H Special Mounting Flange Usually with previous letter R Axial Inlet 3 d Letter Designator S Steel Casing S Steel casing T Carbide Seat T Carbide Seat X Special Material Or X Special Material Or Construction Construction ORDERING INSTRUCTIONS When corresponding with Imo Pump regarding Series A G6D C 137 350 and 400 series pumps refer to pump nameplate this instruction manual and assembly drawing as instructed below 1 From pump nameplate record pump model number serial number and manufactured date 2 Record instruction manual number revision and date 3 From instruction manual record figure numbers that apply to replacement part s 4 From assembly drawing or parts list see table 2 provide IDP number s and names for replacement part s 5 Give above information to your Imo service representative Imo sales and service representatives are listed herein and in General Instruction Manual SRM00046 OPERATION F 1 LIQUID LIMITATIONS
16. oval of snap rings 42 ball bearing 49 seal 25 seal seat adapter 48 and spacer 38 4 Disassemble power rotor 63 as follows See Figure 1 for seal drawings ROTATING RING 4 ROTATING RING 4 DRIVE BAND STATIONARY SEAT STATIONARY SEAT BELLOWS SEAT O RING 5 SEAT O RING SPRING LOCK PIN LOCK PIN RETAINER SPRING pc LET SEAL SEAT ADAPTER SCREW ADAPTER SSS Y NAA gt G24 456 SINGLE SPRING RUBBER MULTI SPRING SEAL BELLOWS SEAL FIGURE 1 SEAL DRAWINGS Using a flat nosed tool such as a screw driver remove snap rings 42 from groove in power rotor 63 b Sealed ball bearing 49 is assembled to power rotor 63 with light press fit Ball bearing 49 may be removed by using bearing puller or vertical arbor press When using press place two pieces of key stock through openings of mechanical seal seat adapter 48 underneath ball bearing 49 on both sides of power rotor shaft Key stock should be long enough to support power rotor 63 as it is placed in press Position press ram against power rotor 63 coupling end face Gently press power rotor 63 through ball bearing 49 Ensure power rotor 63 does not fall to floor once ball bearing 49 is off of its diameter CAUTION ATTENTION 5 6 c Remove seal seat adapter 48 with stationary seal seat Remove stationary seat with O ring from seal se
17. protection of pump itself are marked by the sign ATTENTION persons AN A ATTENTION If operation of pump is critical to your business we strongly recommend you keep a spare pump or major repair kit in stock at all times As a minimum a minor repair kit o rings gaskets shaft seal and bearings should be kept in stock so ump refurbishment after internal inspection can be accomplished CONTENTS Safety and Table of ro qi rc A A General Insr cllOlts cioe c ene ae etm ree erect ia cune 1 MIMO UGH ON P REEE ES 1 C Description doFEQUIDITIGUL 1 D Pump Model ident aos o io be ates irr ee e Wh tee tek tin Oe nes Seana 2 E uade 2 Fr Operator a t dU CE 3 Gi LCuCcIN IO 4 Hz Pump o o iet e oie Ea o Co 4 Troubleshooting e 10 J Field and Factory Service and Parts cibo pc ERE 10 K Assembly es ete aude SN mE Su E ed a usu duit eq e Males 11 L Mechanical Seal Drawings oper te opas tle eus 14 GENERAL INSTRUCTIONS The instructions found herein cover the disassembly assembly and parts identification of A G6D C 137 3
18. sings 73 24 by pushing them out through discharge end of the case 1 Remove and discard housing O ring 28 Remove tubes 26 and O rings 27 from housings 24 or 73 CAUTION ATTENTION Do not permit housings 73 24 to drop as they are removed from pump H4 Pump Reassembly Procedure Note Prior to reassembly all parts should be cleaned and inspected for nicks and burrs Replace all worn and damaged parts Imo pump recommends replacement of ball bearing 49 mechanical seal 25 gaskets 9 83 and O rings 28 when these parts are disturbed from their original installed position All parts should be coated with light lubricating oil to assist in assembly 1 10 11 12 13 14 Install O ring 28 groove in housing 24 Install O rings 27 grooves in tube 26 and install tube 26 in housing 24 on opposite side as O ring 28 Install housing 24 O ring end first in pump case 1 from suction end until stop pin 6 slot is properly aligned Install stop pin 6 with fastener seal 7 in case 1 Install housing 73 in pump case 1 with the end that has the two drilled and tapped holes facing the inlet end of the pump Be sure that tube 26 in housing 24 mates to hole in housing 73 Install snap rings 8 in case 1 If pump is C face version Figure 3 proceed to next step otherwise skip to step 11 Remove balance piston bushing 86 from inboard cover
19. ted by the Council National Accreditation Program for Accreditation RvA COLFAX Fluid Handling Imo Pump 1710 Airport Road PO Box 5020 Monroe NC USA 28111 5020 Tel 1 704 289 6511 Toll 1 877 853 7867 Email cc colfaxcorp com Web colfaxcorp com 2012 Colfax Fluid Handling all rights reserved ALLWEILER COT PURITECH HOUTTUIN IMO LSC ROSSCOR TUSHACO WARREN
20. we SLOT IN BEARING SPACER TO LINE UP WITH HOLE IN COVER Neon Sees eas VV 2 aa et B ES i S SENS SAN SV MN 222 C fur puede Salen TORQUE TO N H S IMS Nc ia M L ATK a AA ey Ly 1 5 li i CO RESI CX S CX Ce 8 S 45 5LBFT DOCG C2 ds OUTLET NA m A X pee it e B e X ix Pa N WWE d NE RON TORQUE TO 190 10 LB FT TORQUE TO 125 IOLB FT 550 ASSEMBLY SLOT IN BEARING SPACER LINE UP WITH HOLE IN COVER X n 777777 I NNNWVSNSNSNNNNNNN ANN Pt 90 5 LBFT ERES 179 IN Diaa al FESSES S uw 1 SN oe 55 N peaa A Q 2 SECTION INSTALL BUSHING IDP 86 TO END COVER IDP 46 USING LOCTITE ES 2 3 3 DI PER ES 3 14 1 IDLER STOP LUGS TO BE LOCATED ON HORIZONTAL CENTERLINE AS SHOWN 7i Q0 O ru 45 5 LBFT INLET 2 z 27 gt OUTLET proches en nie ease ee Bue 7777 E gt i y AS i 5 S 7 5 TORQUE TO 190 10 LB FT TORQUE TO 125 10 LB FT GOW UH 230
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