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Circor IMO CIG, Product Service Manual

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Circor IMO CIG Product Service Manual Download Page 1

 

 

 

PRODUCT SERVICE MANUAL 

FOR 

CIG Lip 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.

 

 
 
 
 

 

SRM00049 

REV. 04 (20-0051) February 

2020 

 

 

 

Summary of Contents for IMO CIG

Page 1: ...tallation 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 SRM00049 REV 04 20 0051 February 2020 ...

Page 2: ...ty 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 ORDERING...

Page 3: ...processingmachinery theseinstructions 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 responsibilityforunsatisfactoryperformanceordamageres...

Page 4: ... Low Pressure 2 Single Stage High Pressure 3 2 Stages 4 3 Stages Nominal Displacement In CM3 Rev Back Pump Frame Size 2 3 4 5 6 8 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 Nominal Displacement In CM3 Rev...

Page 5: ...BLY Refer To Assembly Drawing In Back Of Manual 1 Remove drive key 36 2 Remove capscrews 38 and end cover 15 with O ring 35 3 Remove capscrews 17 and washers 18 Washers not used on single stage units 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 hous...

Page 6: ... facing its original 7 Remove round gear housing 14 ring gear 20 pinion gear 19 andkey 21 fromshaft 6 Do notpermitdowelpin 22 to drop as gear housing 14 is removed Remove dowel pin 22 from either next round gear housing 14 or intermediate flange 5 whichever is applicable NOTE If round gear housing 14 will not slide off easily shaft 6 and this is the last round housing 14 to be removed clamp it in ...

Page 7: ...to be reused mark it so that it can be assembled into its original stage and facing its original direction 13 Remove pinion gear 11 and key from shaft 6 and ring gear 12 from front pump round housing 3 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 cannot be completed in the field without the chance of dama...

Page 8: ...ousing 4 or front flange 2 whichever is applicable NOTE If square gear housing 4 will not slide easily off shaft 6 clamp it in a vice with the front flange 2 free With a soft headed hammer tap on gear end of shaft 6 until there is sufficient gap to insert a wedging device between the square housing 4 and the front flange 2 Pry the gap until square housing 4 is free to slide off shaft 6 CAUTION ATT...

Page 9: ... INTERMEDIATE COVERS If faces are scored or heavily scratched they must be machined per machining instructions Check ball bearing seating area in front cover after severe ball bearing failure If ball bearing seating OD is badly scored deburr it before pump assembly 8 LIP SEAL If seal edge is flat or damaged or elastomer is deteriorated replace lip seals I MACHINING INSTRUCTIONS The front cover 001...

Page 10: ...8 Figure 2 Front Cover Figure 3 Sleeve Bearing 053 054 Sizing Tool ...

Page 11: ... 18 4 Back Pump Capscrew Washer 19 Back Pump Pinion X X 20 Back Pump Ring X X 21 Back Pump Key X 22 Back Pump Pin 23 Back Pump Barrel 31 1 Ball Bearing X 32 Lip Seals X 33 1 Ball Bearing Snap Ring X 34 4 Front Pump Capscrew Washer 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 Front Pump Housing O Ring 4...

Page 12: ...d pinion gears and to areas of housings that were pried apart on disassembly Avoid excessive breaking of edges at outside diameterofring gear asthiscouldnegativelyaffectflow rate Whenreinstallinggearsinhousings besuregears areinstalledinhousings from which they were removed and face direction from which they were removed Refer To Assembly At End Of Manual 1 Press ball bearing 31 onto shaft 6 press...

Page 13: ...ze during operation This is because some gears have chamfers on only one side These chamfers must be positioned facing insideofhousing so that there will be no interference with housing radii 14 Install ring gear 12 in square gear housing 4 Ensurering gear 12 is installed instage fromwhich it was removed and is facing direction from which it was removed CAUTION ATTENTION If gears are installed in ...

Page 14: ...amfers on only one side These chamfers must be positioned facinginsideofhousingsothat there will be no interference with housing radii 23 Install dowel pin 37 in round gear housing 3 24 Install O ring 41 on round gear housing 3 25 Repeat steps 17 through 24 until all round housings 3 are installed 26 Install intermediate flange 5 onto shaft 6 and slide it on until it engages pin 37 in face of prev...

Page 15: ...h installed ring gear 20 and O ring 10 onto shaft 6 Ensure dowel pin hole in housing engages dowel pin in intermediate flange 5 and pinion gear 19 installed on shaft 6 is properly positioned to enter gear housing 14 35 Install O ring 10 on back of first stage housing 14 36 Install housing tube 23 on back counter bore of first stage gear housing 14 37 Repeat steps 28 through 36 for second third and...

Page 16: ...ousing 14 and pinion gear 19 installed on shaft 6 isproperly positioned to enter gear housing 7 44 Install washers 18 on capscrews 17 with chamfer on washers 18 facing head of capscrews 17 Install capscrews 17 with washers 18 installed and tighten with torque wrench to torque values on assembly drawing Torque one half value for all capscrews first then torque to full specified torque value Capscre...

Page 17: ...2 M10 w 30 2 41 p 3 M12 w 60 5 81 p 4 M16 w 115 10 156 p 5 M20 w 220 15 298 p 6 M24 w 435 15 590 p 8 M30 w 870 25 1180 p 1 l TORQUE BOLTS PER PUMP SIZE SEE CHART OUTLET OUTLET INLET ON PUMP SIZES 2 3 4 TORQUE BOLTS TO 12 2 LB IN ON PUMP SIZES 5 6 8 TORQUE BOLTS TO 24 2 LB IN ...

Page 18: ... p 90 5 122 4 M16 w 115 10 156 p 175 10 237 5 M20 w 220 15 325 15 298 p 441 6 M24 w 435 15 590 p 650 20 881 8 M30 w 870 25 1300 25 1180 p 1763 VIEW SHOWING 011 TYPE PUMP OUTLET ON PUMP SIZES 2 3 4 TORQUE BOLTS TO 12 2 LB IN ON PUMP SIZES 5 6 8 TORQUE BOLTS TO 24 2 LB IN EXTERNAL DRAINS SUPPLIED ON ALL DW PUMPS ONLY ...

Page 19: ...CIRCOR 1710 Airport Road PO Box 5020 Monroe NC USA 28111 5020 Tel 1 877 853 7867 Email cc circor com Web www circorpt com e b c 2020 CIRCOR Pumps North America LLC All rights reserved ...

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