Circor IMO CIG Series Product Service Manual Download Page 1 | Manualshive

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PRODUCT SERVICE MANUAL

FOR

CIG Mechanical Seal Single 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.

SRM00050

REV. 04 (20-0051)

February 2020

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Summary of Contents for IMO CIG Series

Page 1: ...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 sta...

Page 2: ...persons Safety instructions where electrical safety is involved are identified by Safety instructions which shall be considered for reasons of safe op eration of the pump and or protec tion of the pu...

Page 3: ...ld result Imo Pump cannot accept responsibility for unsatisfactory performance or damage resulting from failure to comply with instructions B INTRODUCTION This instruction manual covers CIG single mec...

Page 4: ...ntfromthatoftheoperationallimitations Thisequipmentmust not be operated without verification that operating requirements are within its capabilities Single Pump Model Key CIG 33 016 R L I D P W Series...

Page 5: ...y and inspection 5 If unit has only one stage proceed to step 9 If pump has more than one stage continue with step 6 6 Remove housing tube 8 Remove O rings 41 from counter bores of square housing 4 an...

Page 6: ...further disassembly and inspection CAUTION ATTENTION Be sure that all gear keys 13 are removed before removing shaft 6 If not front cover 1 face will be damaged CAUTION ATTENTION Handle shaft bearing...

Page 7: ...cal seal 51 is not to be replaced disassembly is complete Take care to prevent damage to seal components If mechanical seal 51 is to be replaced proceed as below 21 Press stationary part of mechanical...

Page 8: ...AL If either the carbon or tungsten carbide faces of the mechanical seal are heavily scratched scored or blistered the entire mechanical seal must be replaced I MACHINING INSTRUCTIONS Thefrontcover 1...

Page 9: ...1 Rear Cover 31 1 Ball Bearing X 32 2 Outside Seal X 33 1 Bearing Snap Ring X 34 4 Tie Rod Washers 35 1 Rear Cover O Ring X 36 1 Shaft Key X 37 Housing Pin 38 4 Rear Cover Bolts 39 4 Tie Rod Bolts 40...

Page 10: ...t were pried apart on disassembly Avoid excessive breaking of edges at outside diameterofringgearasthiscouldnegativelyaffectflowrate Whenreinstallinggearsinhousings besure gearsareinstalledinhousingsf...

Page 11: ...haft 6 until it bottoms 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 shaf...

Page 12: ...ne stage 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 no...

Page 13: ...pin 37 engages dowel pin hole in back face of previous stage and pinion gear 11 installed on shaft 6 is properly positioned to enter gear housing 3 32 Repeat steps 24 through 31 for third and fourth s...

Page 14: ...r housing 4 39 Install washers 34 on capscrews 39 with chamfer on washers 34 facing head of capscrews 39 Install capscrews 39 with washers 34 installed and tighten with torque wrench to torque values...

Page 15: ...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 TORQUE TO 40 2 LB IN 6 36 TORQUE TO 40 2 LB IN FOR SIZES 3 4 5 TORQUE TO 15 2 LB FT FOR SIZE 6 TO...

Page 16: ...56 237 175 10 237 175 10 237 5 M20 w p 220 15 298 220 15 325 15 298 441 220 15 325 15 441 220 15 325 15 298 441 6 M24 w p 435 15 590 435 15 650 20 590 881 435 15 650 20 881 435 15 650 20 590 881 8 M30...

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...

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