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Circor IMO CIG Product Service Manual

Lip seal & weep hole design single pump
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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.
 
 
MANUAL NO. SRM00048
 
PRODUCT SERVICE MANUAL
CIG Lip Seal & Weep Hole Design
Single Pump
FOR
 
WARNING
REV. 04 (20-0051)
 
February 2020
Imo Pump
1710 Airport Road
PO Box 5020
Monroe, NC USA
28111.5020
Tel:
+1.704.289.6511
Email:cc@colfaxcorp.com
Web: colfaxcorp.com

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Summary of Contents for Circor IMO CIG

  • Page 1   PRODUCT SERVICE MANUAL CIG Lip Seal & Weep Hole Design Single Pump       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   DANGER   Failure to observe the precautions noted in this box can result in severe bodily injury or loss of life.

  • Page 3: Description Of Equipment

    D. PUMP MODEL IDENTIFICATION This instruction manual covers the Imo CIG lip seal and weep hole single 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: Operation

    F. OPERATION LIQUID LIMITATIONS Never operate with fluids that are corrosive to iron, steel, aluminum or bronze. The pump is designed for fluids having the general characteristics of oil.   CAUTION ATTENTION       Operating conditions, such as speed, fluid viscosity, temperature, inlet pressure, discharge pressure, filtration, duty cycle, drive type, mounting, etc.

  • Page 5: Pump Disassembly Procedures

    G. PUMP DISASSEMBLY Refer to Assembly 1 for one stage (X1, X2) pumps Refer to Assembly 2 for multistage (X3, X4, X5, X6) pumps 1. Remove drive key (36) 2. Remove capscrews (38) and end cover (15) with O-ring (35). 3.
  • Page 6 CAUTION ATTENTION       In next step, ring gear (12), pinion (11) and key (13) will be removed. If ring (12) and pinion (11) 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 one housing in pump) and which direction face of each gear was positioned in housing.

  • Page 7: Inspection Of Parts

    13. If lip seals (32) are to be replaced, remove them from seal housing (9), or (7) if "weep hole" design, and discard. 14. If ball bearing (31) is to be replaced, remove snap ring (33) from shaft (1), press ball bearing (31) off shaft (1) and discard.
  • Page 8 CAUTION ATTENTION       Being out of flat in excess of .0008" can cause pump failure. NOTE: If more than .015" is machined (removed) from face (A, Figure 2), the same amount should be machined removed) from G and F, Figure 2. 4.

  • Page 9: Spare Parts And Kits

    J. SPARE PARTS AND KITS         *Round Hsg. & *Square Hsg. Qty. Description Seal Kit Shaft Kit Gear Kit & Gear Kit Front Cover   Round Housing Square Housing Shaft Housing Tube   Seal Housing ...
  • Page 10 NOTE: Refer to “Inspection of Parts” for additional information on part inspection and replacement. To assist in assembly, wipe all parts with light lubricating oil, if appropriate and available, to be pumped. NOTE: Prior to assembly, remove all nicks and sharp edges on housings and gears with de-burring stone. Particular attention should be paid to kidney port chamfers in housings, to faces of ring and pinion gears and to areas of housings that were pried apart on disassembly.
  • Page 11 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.
  • Page 12 20. Install second stage pinion gear (11) on shaft (6). Pinion gear (11) should slide freely on shaft (6) and key (13). If not, ensure key (13) is properly installed and shaft (6) and pinion (11) keyway are free of burrs. Ensure pinion (11) is installed in stage from which it was removed and is facing direction from which it was removed.

  • Page 13: Troubleshooting

    29. Install O-ring (41) on last stage gear housing (4). 30. Install dowel pin (37) in back of previous stage round housing (3). 31. Install last stage (square) gear housing (4), with installed ring gear (12), onto shaft (6). Ensure dowel pin (37) engages dowel pin hole in back face of previous stage round housing 93) and pinion gear (11) installed on shaft (6) is properly positioned to enter gear housing (4).
  • Page 14           "X2" TORQUE TABLE   FRAME BOLT PUMP TORQUE   SIZE SIZE MODIFICATION LB FT   30±2     60±5     115±10   220±15     435±15     870±25 1180          ...
  • Page 15     ®                                 PUMP SIZES 2,3 & TORQUE TO 12±2 LB IN PUMP SIZES 2,3 &   PUMP SIZES 5,6 & 8 TORQUE TO 12±2 LB IN  ...
  • Page 16 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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