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Circor IMO CIG Product Service Manual

Mechanical seal triple pumps
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PRODUCT SERVICE MANUAL
 
 
 
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.
SRM00052
FOR
CIG Mechanical Seal
Triple Pumps
WARNING
REV. 04 (20-0051)
 
 
 
 
 
 
February 2020

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Summary of Contents for Circor IMO CIG

  • Page 1                   PRODUCT SERVICE MANUAL CIG Mechanical Seal Triple 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.
  • Page 2 READ THIS ENTIRE PAGE BEFORE PROCEEDING FOR THE SAFETY OF PERSONNEL AND TO PREVENT DAMAGE TO THE EQUIP- MENT, THE FOLLOWING NOMENCLATURE HAS BEEN USED IN THIS MANUAL: D A N G E R   Failure to observe the precautions noted in this box can result in severe bodily injury or loss of life.
  • Page 3 D. PUMP MODEL IDENTIFICATION This instruction manual covers the Imo CIG triple series pumps. The model of each pump is identified on the pump nameplate. Refer to Figure 1 for instructional keys when using this manual.
  • Page 4 4. From the assembly drawing or instruction manual (see Table 1, Pump Parts List) provide the IDP number(s) and names for the replacement part(s). 5. Give the above information to your Imo service representative. Imo sales and service representatives are listed herein and in General Installation Operation, ...
  • Page 5 G. PUMP DISASSEMBLY Refer to Assembly Drawing In Back Of Manual CAUTION ATTENTION   Read this entire procedure before disassembling pump. 1. Remove drive key (36). 2. Remove capscrews (42) and end cover (15) with O-ring (67). 3. Remove capscrews (17). 4.
  • Page 6 NOTE: If square gear housing (62) will not slide easily off shaft (6), clamp housing (7) in a vise with housing (62) free. Insert Prying device between the two housings and pry gap until housing (62) is free to slide off shaft (6).
  • Page 7 NOTE: If intermediate flange (5) will not slide easily off shaft (6), clamp square housing (4) in a vise with intermediate flange (5) free. Insert prying device between intermediate flange (5) and square housing (4). Pry gap until intermediate flange (5) is free to slide off shaft.  ...
  • Page 8 17. Remove seal housing (9), with lip seals (32), from shaft (6). 18. If lip seals (32) are to be replaced, remove and discard them from seal housing (9).. 19. If ball bearing (31) is to be replaced, remove snap ring (33) from shaft (6), press ball bearing (31) off shaft (6) and discard.
  • Page 9 3. Machine face (A) deep enough to remove any scored material. Ensure that face is flat within .0008 inch TIR with a 32 microinch finish. CAUTION ATTENTION     Being out of flat in excess of .0008" can cause pump failure. NOTE: If more than .015"...
  • Page 10   J. SPARE PARTS AND KITS       Front Pump Middle Pump Rear Pump DESCRIPTION Seal Kit Shaft Kit Square Hsg. Square Hsg. Square Hsg. & Gear Set Kit* & Gear Set Kit* & Gear Set Kit Front Flange  ...
  • Page 11 K. REASSEMBLY OF PUMP CAUTION ATTENTION   READ THIS ENTIRE PROCEDURE BEFORE ASSEMBLING PUMP. NOTE: Inspect all running surfaces for scratching, scoring and wear prior to assembly of pump. Minor scratching is acceptable. If parts are heavily scratched or scored, they should be replaced. Thoroughly clean all pump components.
  • Page 12 7. Install O-ring (40) onto seal housing (9) rabbet. 8. Install seal housing (9) in front flange (2) and secure with cap screws (42). Torque capscrews, with torque wrench, to torque values on assembly drawing. 9. Install dowel pin (37) in front flange (2), if applicable. 10.
  • Page 13 18. Install square housing key (21), chamfer side up, into keyway of shaft (6). CAUTION ATTENTION If key (21) has a step, install key (21) with step facing up and away intermediate cover (5) face. CAUTION ATTENTION When key (21) is installed there must be an approximately .020" gap between it and intermediate cover (5) face.
  • Page 14 26. Install key (66) chamfer side up in keyway of shaft (6) inside square housing (62) and push it up as far as possible toward drive end of pump. CAUTION ATTENTION If key (66) has a step, install key (66) with step facing up and toward drive end of pump. CAUTION ATTENTION When key (66) is installed there must be an approximately .020"...
  • Page 15 35. Install coupling key (36) 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 Imo General Installation Operation, Maintenance, and Troubleshooting Manual, (No.
  • Page 17         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   © 2020 CIRCOR Pumps North America, LLC. All rights reserved.  ...