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READ THIS ENTIRE PAGE BEFORE PROCEEDING 

 
FOR SAFETY OF PERSONNEL AND TO PREVENT DAMAGE TO EQUIPMENT, FOLLOWING 
NOMENCLATURE HAS BEEN USED IN THIS MANUAL: 
 

 

DANGER

 

 

Failure to observe precautions noted in this box can result in severe bodily injury 
or loss of life. 

 

 

WARNING

 

 

Failure to observe precautions noted in this box can cause injury to personnel by 
accidental contact with the equipment or liquids.  Protection should be provided by 
user to prevent accidental contact. 

 

 

CAUTION

 

 

ATTENTION

 

 

Failure to observe precautions noted in this box can cause damage or failure of 
the equipment. 

 

Non compliance of safety 
instructions identified by 
following symbol could 
affect safety for persons: 

Safety instructions where 
electrical safety is 
involved are identified by: 

Safety instructions which 
shall be considered for 
reasons of safe operation 
of the pump and/or 
protection of pump itself 
are marked by sign: 

 

 

ATTENTION 

 

 

ATTENTION

If operation of pump is critical to your business, we strongly recommend you keep 
a spare pump or major repair kit in stock at all times.  As a minimum, a minor 
repair kit (o-rings, gaskets, shaft seal and bearings) should be kept in stock so 
pump refurbishment after internal inspection can be accomplished. 

 

CONTENTS 

 
Safety and Table of Contents ....................................................................................................... A 
General  Instructions ..................................................................................................................... 1 
Introduction ................................................................................................................................... 1 
Ordering Instructions .................................................................................................................... 1 
Description of the Equipment ........................................................................................................ 1 
Pump Model Identification ............................................................................................................ 2 
Operation ...................................................................................................................................... 2 
Parts List ....................................................................................................................................... 3 
Assembly and Disassembly Instructions ................................................................................... 3-5 
Troubleshooting and Field and Factory Service and Parts ........................................................... 6 
Assembly Drawings ...................................................................................................................... 7 
 

Summary of Contents for IMO G323FHF Series

Page 1: ...323FHF__ 630M with Flow Serve Type Q Seal WARNING This Instruction Manual and General Instructions Manual CA 1 should be read thoroughly prior to pump installation operation or maintenance Manual No S...

Page 2: ...afety for persons Safety instructions where electrical safety is involved are identified by Safety instructions which shall be considered for reasons of safe operation of the pump and or protection of...

Page 3: ...combinations to meet application requirements Each pump is identified with a serial number and model designator number on pump nameplate Definitions of model designators are given in Figure 1 ORDERIN...

Page 4: ...external tubing In all cases fluid flow through tubing ensures lubrication and cooling of bushings and mechanical seal Normal rotation of pump rotor is clockwise when pump is viewed from shaft end Not...

Page 5: ...Items marked X are included in major repair kits TABLE 1 Parts List ASSEMBLY AND DISASSEMBLY INSTRUCTIONS Note Part numbers contained within parentheses such as 36 refer to balloon number as shown on...

Page 6: ...11 by grasping inboard and outboard ends of idlers 40 41 and pulling and rotating each idler Slide power rotor 34 from rotor housings 11 11 Remove both housings 11 from pump case 1 by removing cap scr...

Page 7: ...pump case 1 using capscrews 59 Torque capscrews 59 to value on assembly drawing 9 Install gasket 5 and rear cover 3 on cover 2 at back end of pump using capscrews 9 Torque capscrews 9 to value on ass...

Page 8: ...a period of one year from date of shipment For either field service or factory overhaul assistance contact your local Imo Sales Office or representative at Technical Customer Service Department in Mo...

Page 9: ......

Page 10: ...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 2021 CIRCOR Pumps North America LLC All rights reserved...

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