product service manual 3e-187/200 series pumps
Contents
1. FIGURE 4 ASSEMBLY FOR FOOT MOUNT amp C FACE 3EB 3EHI PUMPS 200 OOOO TORQUE TO 20 2 LBS FT 34 INLET OUTLET 2 TORQUE TO 40 5 LBS IN TORQUE TO 8 16 45 5 LB FT n FIGURE 5 ASSEMBLY FOR FOOT MOUNT amp C FACE PUMPS TORQUE TO 20 2 LBS FT INLET TORQUE TO 40 5 LBS IN TORQUE TO 45 5 LB FT NOTES STEEL CASE PUMPS TO USE SAE 4 BOLT FITTINGS IRON CASE PUMPS WILL BE PIPE TAP INLET AND OUTLET FIGURE 6 C FACE ASSEMBLY SD 55 gt ANSI RAB Accredited by the Council National Accreditation Program for Accreditation RvA Wr CERT c I mo 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 OLFf3X Fluid Handling O 2012 Colfax Fluid Handling all rights reserved2. Close all inlet and outlet valves and tag valves WARNING Out of Service Vent pressure from pump and drain pumping liquid Remove pipe fittings flanges at pump inlet and outlet openings Remove bolts holding pump to its mounting Remove coupling and key 13 from power rotor 7 shaft and locate pump on suitable workbench D NOTE The 3E Series pumps incorporate highly finished precision parts that must be handled carefully to avoid damage to critical machined surfaces Parts removed should be tagged for identification and their exact positions in the pump carefully noted so that new parts or removed parts can be properly replaced 1 If pump is seal less version 3EIC S use assembly drawing figure and skip to step 4 for disassembly if not proceed below using assembly figures 4 or 5 whichever is applicable 2 Remove hex capscrews 6 and bearing retainer 12 from inboard cover 4 and then remove power rotor 7 assembly from inboard cover 4 Power rotor 7 assembly includes seal 16 seal seat adapter 93 with its O ring 96 bearing 11 and snap rings 15 3 Disassembly power rotor as follows using appropriate assembly and seal drawings figures 1 and 2 a Remove retaining ring 15 nearest power rotor keyway b Using a bearing puller remove the bearing 11 from power rotor 7 During the removal of the bearing support the power rotor to prevent the assembly from fal
3. ALLWEILER COT PURITECH HOUTTUIN IMO 1505 ROSSCOR TUSHACO WARREN
4. adapter assembly 93 with installed stationary seat onto power rotor with face of stationary seal up against face of rotating seat seal face e Install snap rings 15 in inner snap ring grooves of power rotor 7 next o seal seat adapter assembly 93 f Support power rotor 7 on suction end and press ball bearing 11 on power rotor 7 pressing on inner race of bearing 11 only until it seats against inner snap ring 15 Install outer snap ring 15 nearest shaft 7 keyway If mechanical seal is Multi Spring Type Seal Fig 2 Only tighten set screws in rotating half of the mechanical seal 7 Install O ring 96 on seal seat adapter assembly 93 Install assembled power rotor 7 into inboard cover 4 Power rotor should be turned while installing to mesh with idlers 8 8 Install bearing cover 12 with hex capscrews 6 and torque to value on assembly drawing TROUBLESHOOTING For assistance with troubleshooting see General Instruction Manual SRM00046 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 event user prefers to return pumps for inspection or overhaul Pumps that have been factory overhauled are normally tested and warranted as new fo
5. designators are identified in Figure 1 C 3E 187 X XXX Design Modification Special Suffix Lead and Rotation Blank D 2D W 1 450 Ci 1 750 Cw Series 1 Letter Designator Seal Design EB Rubber Bellows Seal Rune Elastomers Muilti apring Seal Flusrocarten Elastomers High Temperature Bearing Breakdown Bushing Lieu of Seal Balanced Multi zprinmg Seal with Elastomers J Balanced Mult spring Seal with Fluorocarbon Elastomers X Special Seal 273 Letter Designator C C Face Mounting F Foot Mounting T Carbide Seat Blank 20 D 2D Rotor Size 1 amp 7 200 4 LetterDesicgnator 5 Steel Pump X Special Material Or Construction 373 Letter Desiqnator C C Face Mounting F Foot Mounting Stee casing T Carbide Seat X Special Material Cr Construction Model Designator Definitions 1 C DESCRIPTION OF EQUIPMENT 3E 187 200 Series pumps are positive displacement rotary screw pumps with a precision bored housing that encloses a drive screw power rotor and two intermeshing driven screws idler rotors These screws when rotating form a succession of closures or cavities As they rotate fluid is moved axially from inlet to outlet in a continuous uniform flow with minimum fluid pulsation and pump noise D ORDERING INSTRUCTIONS All correspondence pertaining to renewal pa
6. is SEIC version install power rotor 7 into housing 4 Install O ring 26 into groove in front cover 4 and housing 1 assembly with installed idlers 8 and power rotor if 3EIC and thrust plate 32 into front cover 4 using hex capscrews 3 Be sure pin in housing 1 engages pin hole in inboard cover 4 CAUTION ATTENTION Be sure idlers 8 and power rotor 7 if 3EIC pump do not drop out of housing 1 when installing housing 1 on inboard cover 4 5 If reassembling 3EIC pump assembly is complete Otherwise proceed below CAUTION ATTENTION The below steps are critical in preventing damage to the mechanical seals during assembly If the below steps are not carefully followed mechanical seal leakage may occur 6 Assemble power rotor 7 below a If seal is elastomeric bellows type Fig 1 apply light film of oil to bellows bore on the rotating portion of mechanical seal Apply a light film of oil on the seal fit area of the power rotor Caution must be taken when sliding rotating assembly over snap ring grooves Check the snap ring grooves to ensure no burrs are present that might cause damage to the rotating assembly of the seal Install rotating assembly on power rotor 7 using a twisting motion Clean carbon face of the rotating portion of the seal with alcohol and a lint free cloth Apply light film of clean lubricating oil to carbon face If seal i
7. motion remove the rotating half of the seal from the power rotor 7 If the seal is the rubber bellows type remove the rotating portion of the seal using a twisting motion as this portion of the seal may be stuck to the power rotor 7 e If seal only is to be replaced disassembly is complete Proceed to step 6 in for reassembly of power rotor and pump Otherwise proceed to step 4 below 4 Remove inlet 2 and housing 1 with pin from inboard cover 4 by removing hex capscrews 3 Remove O ring 26 from inboard cover 4 5 Remove thrust plate 32 and spacers 33 from housing 1 by removing hex capscrews 34 and washers 35 6 Remove idlers 8 from housing 1 For 3EIC S version also remove power rotor 7 from housing 1 H4 PUMP REASSEMBLY General Prior to reassembly inspect clean and coat all internal parts with fluid being pumped Rotate power rotor 7 frequently during assembly to ensure freedom of rotation It is recommended that all O rings 96 26 seal 16 and bearing 11 be replaced whenever they are removed from their installed position 1 Assemble washers 35 thrust plate 32 and spacers 33 onto hex capscrews 34 Install hex capscrews 34 into housing 1 Torque capscrews 34 to value on assembly drawing 2 Install idlers 8 into housing 1 from discharge end of pump Ensure that end of idlers 8 with root diameter taper goes toward inlet thrust end of housing 1 3 If pump
8. COLFAX Fluid Handling PRODUCT SERVICE MANUAL For 3E 187 200 SERIES PUMPS AN WARNING The Imo General Installation Operation Maintenance and Troubleshooting Manual No SRM00046 along with this manual and all other component manuals supplied with these type units should be read thoroughly prior to pump installation start up operation maintenance or troubleshooting MANUAL SRM00019 Rev 05 14 0129 MARCH 2014 READ THIS ENTIRE PAGE BEFORE PROCEEDING FOR SAFETY OF PERSONNEL AND TO PREVENT DAMAGE TO THE EQUIPMENT THE FOLLOWING NOMENCLATURE HAS BEEN USED IN THIS MANUAL Failure to observe precautions noted in this box can result in severe bodily injury or loss of life contact WARNING 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 CAUTION ATTENTION Failure to observe precautions noted in this box can cause damage or failure of equipment Noncompliance safety instructions identified by the following symbol could affect safety for persons Safety instructions where Safety instructions which shall electrical safety is involved be considered for reasons of are identified by safe operation of the pump and or protection of t
9. U 2 1 to 650 CST Type H 33 to 15000 SSU 2 1 to 5000 CST and J 60 5000 SSU 10 to 1080 CST Temperature Range Type B 0 to 180 F 18 to 82 Type and 0 250 F 18 to 12190 Maximum Inlet Pressure Type B H 75 psig max and J 250 Psig max Maximum Discharge Pressure Type B H and 150 psig max 350 Psig Max Provided differential pressure does not exceed 150 psid DtiV6 un tct ta eurem coit eret etin hte ib ete iet ee ti EC ants Direct Only Filtration tei tpe terr gr qi Tuc See General Installation Manual SRM00046 Mounting o m ttt a pene ne Foot or Flange Mounted in Any Attitude Shaft Rotation Available in CW or CCW versions Pump is not bi rotational 2 PARTS LIST TABLE TABLE 2 IDP QTY DESCRIPTION IDP QTY DESCRIPTION 1XX 15X Retaining Ring 2 16 1 26 1 O ring 32XX Thrust Plate 6 33 Thrust Spacer 7XX 34 Thrust Hex Capscrews 8XX 35 Lock Washer 11X 93 Seal Seat Adapter 12 96X Seal Seat Adapter O Ring 13 X Minor Repair Kit Item Major Repair Kit Item G INSPECTION Interval for inspection and replacement of worn parts varies with properties of pumped liquid and can only be determined by experience All internal parts of SE Series pumps are lubricated by pumped fluids Pumping liquid wh
10. ered by these instructions refer to the Imo General Installation Operation Maintenance and Troubleshooting Manual No 5 00046 For further detailed information and technical assistance please refer to Imo Pump Technical Service Department at 704 289 651 1 This manual cannot possibly cover every situation connected with installation operation inspection and engineering and design data is transformed into the most easily understood wording maintenance of equipment supplied Every effort was made to prepare text of manual so that Imo Pump must assume the 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 AN WARNING If installation operation and maintenance instructions 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 failure to comply with instructions INTRODUCTION Instruction manual covers series 3E 187 amp 200 Imo Pumps Series of pumps has been designed for general use in lubricating seal and distillate fuel oil applications The size and construction of each pump is identified in model number on the pump nameplate Definitions of model
11. he pump itself are marked by the sign 5 Safety and Table of Contents 55 tori A esee oes uL a D d C que ete 1 Pump Model Ideni dO ence cbe pe Pet te 1 Description of the Equipmellbs c Cu ena 2 Ordering Instructions 2 crass tee P 2 Spare Parts and Kits 4o 3 Inspection of PariS EE 4 4 Pump Disassembly Instr ctioris 4 Pump Assembly tree a aceti or ipio Reed st eta 7 Troubleshooting acte Nn id etu D LM M 7 Pump Assembly Drawings seb conis eei I ote de tate inda 8 12 be accomplished If operation of this 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 pump refurbishment after internal inspection can ATTENTION GENERAL INSTRUCTIONS NOTE Instructions found herein cover disassembly assembly and parts identification of 187 amp 200 Series Imo pumps Individual contracts may have specific provision that vary from this manual Should questions arise which may not be answ
12. ich contains abrasive materials or liquid that is corrosive will significantly reduce service life and call for shorter service intervals A worn pump will be noticeable by excessive vibration noise reduction in flow output and or reduction in system pressure H PUMP MAINTENANCE IN WARNING Failure to observe precautions while installing inspecting and maintaining the pump can cause injury to personnel from accidental handling e g Liquids that may harm skin or clothing fire hazard risks from flammable liquids or injury from high pressure fluid jets IN DANGER BEFORE working on equipment be sure all power to equipment is disconnected and locked out 1 GENERAL COMMENTS Part number identifiers IDPs contained in Table 2 and shown within parenthesis such as 8 refer to circled numbers shown on the assembly drawings Figures 3 through 5 H 2 TOOLS REQUIRED Procedures described in this manual require common mechanics hand tools an arbor press a torque wrench and a suitable lifting device such as a sling for smaller pumps or a strap for larger models H 3 PUMP DISASSEMBLY CAUTION ATTENTION Fluid leakage from disassembly of pump may make floor slippery and cause personal injury The following steps are required before starting any maintenance action De energize and lock out power to driver and tag power control box WARNING Out of Service
13. ling when the bearing comes off the bearing fit of the power rotor 7 An optional method for removing the bearing is via the use of an arbor press To do so involves sliding two small pieces of key stock through the slots between the bearing 11 and bearing spacer seal seat adapter assembly 93 Place the power rotor 7 in the arbor press with the two pieces of key stock being used to support the assembly and assume the pressure while pressing the power rotor 7 through the bearing 11 When pressing the power rotor through the bearing take care that the key stock does not contact the inner retaining rings 15 there by damaging the retaining rings and retaining grooves on the power rotor 7 During the removal of the bearing support the power rotor 7 to prevent the assembly from falling when the bearing 11 comes off the bearing fit of the power rotor 7 c Remove inner retaining ring 15 CAUTION ATTENTION Do not drop power rotor 7 as it is pressed from bearing 11 d Slide spacer seal seat adapter sub assembly 93 with O ring 96 and seal 016 stationary seat from power rotor 7 Remove seal 16 stationary seat and O ring from spacer seal seat adapter sub assembly 93 Remove seal 16 rotating seat from power rotor 7 NOTE f seal 16 is multi spring or balanced multi spring type loosen the set screws that secure the rotating portion of the seal to the power rotor 7 Using a twisting
14. r 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 as applicable 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 it is preferred that they be purchased 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 TORQUE TO 35 33 34 INLET OUTLET f FIGURE 3 ASSEMBLY FOR SEAL LESS 3EICI PUMPS TORQUE TO O 5
15. rts for equipment must refer to instruction manual number and should be addressed to nearest Imo representative Handling of renewal orders will be greatly facilitated if following directions are carefully observed 1 Give number of instruction manual with revision level and date 2 Give model number of pump for which part is desired Number appears on nameplate 3 Repair parts are sold in either a major or minor kit form for the pump Parts are designated by IDP numbers and names and are shown on assembly drawings and as listed in Table 2 in this instruction manual E OPERATION E 1 LIQUID LIMITATIONS Never operate with water Pump is designed for liquids having general characteristics of oil E 2 OPERATING LIMITS CAUTION ATTENTION Operating conditions such as speed fluid viscosity temperature inlet pressure discharge pressure filtration duty cycle drive type mounting etc are interrelated to these variable conditions specific application limits may be different from that of operational limitations Equipment must not be operated without verifying system s operating requirements are within pump s capabilities Table 1 Pump Operating and Structural Limits Maximum Speed Type B amp H Seals 4000 RPM for 187 size 3800 RPM for 200 size and J Seals 3500 RPM 4250 RPM for 187 size and 4000 RPM for 200 size Viscosity Type B amp 33 to 3000 SS
16. s multi spring type Fig 2 apply light film of oil to rotating seat O ring and on the seal fit area of the power rotor 7 Caution must be taken when sliding rotating assembly over snap ring grooves Check the snap ring grooves to ensure no burrs are present that might cause damage to the O ring Install rotating assembly on power rotor 7 shaft using a twisting motion Clean carbon face of the rotating portion of the seal with alcohol and a lint free cloth Apply light film of clean lubricating oil to carbon face c Install O ring on stationary seal face Fig 1 and 2 Install stationary seal face into bore of seal seat adapter assembly 93 by pressing it into position with fingers do not touch seal face with any tools When installing the stationary seal face into seal seat adapter assembly 93 ensure that the slot on the back of the stationary seal face assembly is perfectly aligned with the anti rotation pin located in the face of the seal seat adapter assembly 93 After assembly is complete ensure that the stationary seal face assembly bottoms out at the face of the seal seat adapter assembly 93 and the anti rotation pin slot is mated with the anti rotation pin in the seal seat adapter assembly 93 KIN SCRE ZZ XM IN SSSSSASSSSSS PELLO FIGURE FIGURE 2 d Clean the stationary seal face with alcohol and a lint free cloth Apply a light coat of to the seal face Install seal seat
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