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IMO ACG - User Manual

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Screw pumps
ACG/UCG 7
This instruction is valid for all ACG/UCG pump models shown on page 2
Contents Page
List of components 2
Exploded view/Ordering code 3
Service intervals 4
Shaft seal/Service for ball bearing 4
Lubricating intervals/Useful tools 5
Inspection of rotors 5
Sectional view 6
Dismantling 7
Reassembly 9
Pressure relief valve 11
ACG1 ' IMO AB
ACG 0621GB
October 2002
A Member of the
COLFAX PUMP GROUP
Maintenance and Service
Instruction
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Summary

Maintenance and Service Instruction

List of components

Lists all parts and their corresponding spare part sets for ACG/UCG pumps.

Exploded view

Ordering code

Details part numbers and sizes for various spare part sets and pump options.

Service intervals

Inspection of shaft seal

Describes how to visually inspect shaft seals for leakage and potential damage.

Service for ball bearing

Explains how to service the external grease-lubricated ball bearing of the ACG-pump.

Lubricating intervals in working hours

Useful tools

Lists and illustrates essential tools for pump maintenance and assembly.

Inspection of rotors

Guides on inspecting idler rotors for wear and internal clearances.

Sectional view

Dismantling

Preparation and Initial Removal

Safety precautions and removal of external components like coupling, screws, and retaining rings.

Shaft Seal and Rotor Removal

Detailed steps for removing shaft seals, idler rotors, and related internal components.

Reassembly

Idler Rotor and Shaft Seal Reassembly

Reassembly of idler rotors and shaft seals for different pump versions.

Front Cover and Bearing Reassembly

Reassembly of the front cover, ball bearing, and related components.

Final Assembly Steps

Final Component Installation and Sealing

Installing final components, shaft coupling, and sealing procedures.

Pressure relief valve

Replacement of O-ring 605

Procedure for replacing the O-ring in the pressure relief valve.

Replacement of Valve Element G070

Procedure for replacing the valve element (G070) in the pressure relief valve.

IMO ACG Specifications

General IconGeneral
BrandIMO
ModelACG
CategoryWater Pump
LanguageEnglish

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