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Xylem Flygt 2620.281 User Manual

Xylem Flygt 2620.281
72 pages
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Service and Repair Instructions
88561
1_2.0
2620.172/.281

Table of Contents

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Xylem Flygt 2620.281 Specifications

General IconGeneral
BrandXylem
ModelFlygt 2620.281
CategoryWater Pump
LanguageEnglish

Summary

Introduction and Safety

1.4 Special Hazards and Precautions

Discusses hazards in temporary installations and biological risks.

Installation

3.1 Hazardous Atmospheres

Special rules for installations in explosive or flammable atmospheres.

3.2 Electrical Connection Procedures

Comprehensive guide to making electrical connections, including precautions.

3.2.1 General Electrical Connection Precautions

Essential safety measures before making electrical connections.

3.2.2 Grounding (Earthing) Procedures

Mandatory grounding procedures and safety checks.

Maintenance

4.1 Maintenance Safety Precautions

Critical safety warnings and requirements before performing maintenance.

4.2.1 Tracing Drive Faults

Flowchart for diagnosing faults within the pump's drive system.

4.2.2 Stator Insulation and Testing

Procedure for testing stator insulation resistance.

4.5.6 Mechanical Seal Removal

Procedure for removing the mechanical seal and its components.

Seal Housing Cover Removal

Steps to pry off and remove the seal housing cover.

Removing the Mechanical Seal

Procedure to remove the mechanical seal from the shaft.

4.5.7 Shaft Unit Removal

Steps to remove the shaft unit from the pump.

Seal Housing Cover Reinstallation

Reinstalling seal housing cover screws and removing the shaft unit.

4.5.8 Bearing Removal

Procedure for removing bearings and retaining rings.

Bearing and Retaining Ring Removal

Removing retaining rings and the shaft unit from the intermediate piece.

4.5.10 Stator Removal

Procedure for removing the stator from the pump housing.

4.6.2 Stator Installation

Steps for installing the stator into the housing using heating.

4.6.4 Bearing Installation (Standard Version)

Procedure for installing bearings and retaining rings.

4.6.5 Shaft Unit Installation

Steps for installing the shaft unit into the pump.

4.6.6 Mechanical Seal Installation (Standard Versions)

Procedure for installing the mechanical seal and its components.

4.6.7 Seal Tightness Check

Method for checking the seal tightness after installation.

4.6.8 Impeller Installation (Drainage Version)

Steps for installing the impeller on drainage versions.

4.6.9 Impeller Installation (Sludge Version)

Steps for installing the impeller on sludge versions.

4.7.2 Pump Overhaul Procedures

Tasks for overhaul, including bearing and seal replacement.

Troubleshooting

5.1 Electrical Troubleshooting Guidelines

Safety and best practices for troubleshooting electrical issues.

Technical Reference

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