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Circor IMO CIG Product Service Manual

Lip seal double pumps
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PRODUCT SERVICE MANUAL
CIG Lip Seal Double Pumps
 
 
 
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
 
 
FOR
 
WARNING
REV. 04 (20-0051)
 
February 2020

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Summary of Contents for Circor IMO CIG

  • Page 1     PRODUCT SERVICE MANUAL 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.

  • Page 2: Table Of Contents

    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: Description Of Equipment

    A. GENERAL INSTRUCTIONS The instructions found herein cover the disassembly, assembly and parts identification of CIG double pumps with lip seals. 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, CA-1, provided with your order.

  • Page 4: Pump Model Identification

    D. PUMP MODEL IDENTIFICATION This instruction manual covers the Imo CIG double pumps with lip seals. The model of each pump is identified on the pump nameplate. Refer to Figure 1 for instructional keys when using this manual. Double Pump Model Key CIG 52 050/33 012 RL I/D/E P/W  ...

  • Page 5: Ordering Instructions

    E. ORDERING NSTRUCTIONS When corresponding with Imo Pump regarding CIG Single Series pumps, refer to the pump nameplate, Instruction manual and the assembly drawing as instructed below: 1. From pump nameplate, record the pump model number. Also record the manufactured lot number and date (these are stamped on the housing near the nameplate).
  • Page 6 CAUTION ATTENTION       Take care not to damage either faces that are being pried against or 0-ring (10) with prying device. CAUTION ATTENTION       If gear housing (007) will not slide off easily because its bushing (54) was seized on shaft (006), ball bearing (031) was most likely damaged when housing (7) was pried off and must be replaced.
  • Page 7 11. Remove intermediate flange (5) from shaft (6). Do not permit dowel pin (37) to drop as intermediate flange (5) is removed. Remove dowel pin (37) from either round housing (3), or square of housing (4) whichever is applicable. NOTE: If intermediate flange (5) will not slide easily off shaft (6) and front pump has more than one stage, clamp rest of pump in a vise with intermediate flange (5) free.

  • Page 8: Inspection Of Parts

    NOTE: Neither housing tube (8) nor O-ring (41) need be removed from round housing (3) unless O-ring (41) is to be replaced. 16. Repeat steps 13, 14 and 15 until all round housings (3) are removed. CAUTION ATTENTION      ...

  • Page 9: Machining Instructions

    2. GEAR FACES – Some light scratching is acceptable, but if there is any scoring, the part should be replaced. These faces cannot be ground to remove a heavy score mark because their width is critical to performance of pump. Grinding more than several ten thousandths of an inch will cause low capacity.
  • Page 10   Figure 2 – Front Cover         Figure 3 – Sleeve Bearing (053), (054) Sizing Tool  ...

  • Page 11: Spare Parts And Kits

    J. SPARE PARTS AND KITS   Front Pump Front Pump Back Pump Back Pump       Seal Shaft SQ Hsg. & RD Hsg. & SQ Hsg. & RD Hsg. & DESCRIPTION Gear Set Kit Gear Set Kit Gear Set Kit Gear Set Kit 1 Front Cover  ...

  • Page 12: Pump Reassembly Procedures

    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 13 9. Install dowel pin (37) in front flange (2). 10. Install O-ring (40) in face of front flange (2). 11. Install square housing (4) on shaft (6) and slide it up until it engages dowel pin (37) and counterbore in front flange (2) and is tight up against front flange face (2).
  • Page 14 CAUTION   ATTENTION   When key (13) is installed and pushed up toward drive end, there must be an approximately .020" gap between it and face of round housing (3). If not, it should be removed and a small step filed in portion of key (13) that sticks above shaft (6) keyway. This will prevent key (13) from touching face of round housing (3).
  • Page 15 30. Install first stage pinion gear (19) on shaft (6). Pinion gear (19) should slide freely on shaft (6) and key (21). If not, ensure key (21) is properly installed and shaft (6) and pinion (19) keyway are free of burrs. Ensure pinion (19) is installed in stage from which it was removed and is facing direction from which it was removed.

  • Page 16: Troubleshooting

    40. Install ring gear (20) in last stage square gear housing (7). Ensure ring gear (20) is installed in stage from which it was removed and is facing direction from which it was removed. CAUTION ATTENTION If gears are installed in wrong housing, pump may not perform properly or may seize during operation.
  • Page 17                               "X2" TORQUE TABLE   TORQUE FRAME BOLT PUMP   MODIFICATION SIZE SIZE LB FT   30±2     60±5     115±10 156   220±15 298  ...
  • Page 18                                       VIEW SHOWING "011" TYPE PUMP     "X3" TORQUE TABLE   TORQUE PUMP FRAME BOLT MODIFICATION SIZE SIZE LB FT   30±2  ...
  • 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   © 2020 CIRCOR Pumps North America, LLC. All rights reserved.

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