Colfax CIG Mechanical Seal Service Manual Download | Manualshive

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PRODUCT SERVICE MANUAL

FOR

CIG Mechanical Seal

Double Pumps

WARNING

The Imo General Installation Operation, Maintenance, and
Troubleshooting Manual, (No. SRM00046), as well as all other
component manuals supplied with these type units should be read
thoroughly prior to pump installation, start-up, operation, maintenance
or troubleshooting.

SRM00051

REV. 03 (14-0302)

AUGUST, 2014

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Summary of Contents for CIG Mechanical Seal

Page 1: ...l Installation Operation Maintenance and Troubleshooting Manual No SRM00046 as well as all other component manuals supplied with these type units should be read thoroughly prior to pump installation start up operation maintenance or troubleshooting SRM00051 REV 03 14 0302 AUGUST 2014 ...

Page 2: ...t safety for persons Safety instructions where electrical safety is involved are identi fied by Safety instructions which shall be considered for reasons of safe operation of the pump and or pro tection of the pump itself are marked by the sign ATTENTION CONTENTS SAFETY AND TABLE OF CONTENTS A A GENERAL INSTRUCTIONS 1 B INTRODUCTION 1 C DESCRIPTION OF EQUIPMENT 1 D PUMP MODEL IDENTIFICATION 2 E OR...

Page 3: ...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 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 un...

Page 4: ... 3 4 5 6 8 Pressure Rating 2 Single Stage Nominal Displacement In CM3 Rev Back Pump Frame Size 2 3 4 5 6 8 Mechanical Seal Version Suffix P Petroleum Base Fluids Standard W Low Viscosity Fluids Modification I Internal Drain Standard D External Drain For High Suction Pressure E External Drain For Low Viscosity and Normal Suction Pressure R CW Rotation Standard L CCW Rotation Pressure Rating 1 Singl...

Page 5: ...ts capabilities G PUMP DISASSEMBLY Refer to Assembly Drawing 1 1 Remove drive key 36 2 Remove capscrews 38 and end cover 15 with O ring 35 3 Remove capscrews 17 CAUTION ATTENTION In next step ring gear 20 pinion 19 and key 21 will be removed If ring 20 and pinion 19 are to be reused identify them with a marker or the like so it can be determined to which housing they belong if there is more than o...

Page 6: ...N If intermediate flange 5 will not slide off easily because its sleeve bushing 53 was seized on shaft 6 ball bearing 31 was most likely damaged and must be replaced 8 Remove pinion gear 11 and key from shaft 6 and ring gear 12 from front pump square housing 4 NOTE If pinion gear 11 will not slide easily off shaft 6 its key 13 is most likely at least partially sheared In this case the disassembly ...

Page 7: ...51 are to be replaced or inspected disassembly is complete If either of these components are to be replaced or inspected for any reason proceed as below 17 Place inboard face of bearing housing 9 on the clean smooth surface of an arbor press with coupling end facing up 18 Remove socket head capscrews 75 and bearing retainer 70 19 Remove ball bearing snap ring 33 20 Press shaft 6 out of bearing hou...

Page 8: ...ing should be replaced 5 SHAFT Check shaftforwear particularlyareas where lipseals andbushings arelocated when pumpis assembled Any heavy wear is cause for shaft replacement Check edges of keyways for cracks chipping or rounding If any of these exists shaft should be replaced 6 SLEEVE BEARING If scoring or heavy polishing is present bearing must be pressed out of housing and replaced and sized See...

Page 9: ...om face A Figure 2 the same amount should be machined removed from G and F Figure 2 4 Press sleeve bushing 53 54 in from front cover or intermediate cover ensuring that split in bushing 53 54 is positioned as shown in Figure 2 5 Fabricate a bushing sizing tool as shown in Figure 3 Press sizing tool through bushing from same direction bushing was originally installed to properly size bushing bore F...

Page 10: ...X X 20 Back Pump Ring X X 21 Back Pump Key X 22 Back Pump Pin 31 1 Ball Bearing X 32 Lip Seals X 33 1 Ball Bearing Snap Ring X 35 1 Back Cover O Ring X 36 1 Drive Key X 37 Front Pump Pin 38 4 Rear Cover Capscrews 39 4 Front Pump Screws 40 1 Bearing Housing O Ring X 41 1 Front Pump Housing O Ring 42 4 Seal Housing Capscrews 51 1 Mechanical Seal X 53 Front Pump Sleeve Bushings X X 54 Rear Pump Sleev...

Page 11: ... of ring and pinion gears and to areas of housings that were pried apart on disassembly Avoid excessive breaking of edges at outside diameter of ring gear as this could negatively affect flow rate When reinstalling gears in housings be sure gears are installed in housings from which they were removed and face direction from which they were removed NOTE If shaft bearing housing assembly was not tak...

Page 12: ...on shaft 6 shoulder Use cylindrical sleeve which contacts only the inner ring of ball bearing 31 and clears inner diameter of bearing retainer plate 70 Snap ring groove in shaft 6 should just clear ball bearing 31 inner ring 10 Install snap ring 33 on shaft 6 CAUTION ATTENTION Handle shaft bearing housing assembly with great care for remainder of pump assembly since any significant cocking of bear...

Page 13: ...or may seize during operation This is because some gears have chamfers on only one side These chamfers must be positioned facing inside of housing so that there will be no interference with housing radii 23 Install ring gear 12 in square gear housing 4 Ensure ring gear 12 is installed in stage from which it was removed and is facing direction from which it was removed CAUTION ATTENTION If gears ar...

Page 14: ...rom which it was removed CAUTION ATTENTION If gears are installed in wrong housing pump may not perform properly or may seize during operation This is because gears are matched to each housing individually and may not have correct clearances if installed in another housing If gears are installed facing wrong direction pump may not perform properly or may seize during operation This is because some...

Page 15: ...in keyway of shaft 6 CAUTION ATTENTION Take care not to bump shaft during storage transportation or installation of pump into operating system L TROUBLESHOOTING For assistance with troubleshooting see General Instruction Manual CA 1 ...

Page 16: ... p TORQUE LB FT1N m 30 2 1 41 60 5 I 81 115 10 I 156 220 15 1 298 4 M16 w p 5 M20 w p w 6 M24 p 435 15 1 590 I 31 33 70 36 3B TORQUE TO 40 2 LB IN s3l 41 12 11 53 37 1 74 BO 9 17 SEE TORQUE CHART r OUTLET TORQUE T040 2 LB IN FOR SIZES 3 4 5 TORQUETO 15 2 LB FT FOR SIZE 6 INLET ...

Page 17: ...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 W e b c colfaxcorp com 2012 Colfax Fluid Handling all rights reserved ...

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