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Howden WRV - User Manual

Howden WRV
64 pages
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WRV & WRVi
COMPRESSOR RANGE
SERVICE MANUAL
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Summary

SECTION 1 FOREWORD

SECTION 2 DESCRIPTION

THE WRV COMPRESSOR

Overview of the Howden WRV & WRVi Oil Injected Compressor.

THE COMPRESSION CYCLE

Diagrammatic explanation of the compressor's working cycle.

DESCRIPTION OF A GAS SYSTEM

Explains the gas system in a typical refrigeration compressor set.

DESCRIPTION OF AN OIL SYSTEM

Details the oil system for a typical refrigeration compressor set.

RECOMMENDED LUBRICATING OILS

Lists approved lubricating oils for the compressors.

SECTION 3 INSTALLATION

ALIGNMENT OF COMPRESSOR COUPLINGS

Method for aligning compressor couplings to ensure proper operation.

ALIGNMENT TOLERANCE

Specifies acceptable alignment tolerances for compressor installations.

DOWELLING

Instructions on fitting dowels for re-alignment purposes.

PIPING

Guidelines for installing compressor piping to avoid flow restriction and strain.

SECTION 4 FIRST START UP

FIRST START

Step-by-step procedure for the initial start-up of the compressor.

SECTION 5 NORMAL OPERATION

NORMAL START

Procedure for starting the compressor under normal operating conditions.

NORMAL STOP

Procedure for stopping the compressor safely during normal operation.

SECTION 6 PROCEDURES DURING SHUTDOWN

PROCEDURES DURING SHUTDOWN

Guidelines for shutting down the compressor and protecting it.

INHIBITING OILS APPROVED FOR USE WITH HOWDEN SCREW COMPRESSORS

Lists approved inhibiting oils for prolonged shutdown protection.

SECTION 7 MAINTENANCE

GENERAL COMMENTS

Overview of maintenance recommendations and general procedures.

PREPARATION FOR ANNUAL INSPECTION

Safety precautions and preparations before dismantling for inspection.

DISMANTLING PROCEDURE FOR ANNUAL INSPECTION

Detailed steps for dismantling the compressor for annual inspection.

CHECKING CLEARANCES

Procedures for checking critical clearances within the compressor.

RE-ASSEMBLY AFTER ANNUAL INSPECTION

Steps for re-assembling the compressor after an annual inspection.

SECTION 8 OVERHAUL

GENERAL PROCEDURES

General steps and considerations for performing a major compressor overhaul.

DISMANTLING 163 COMPRESSOR FOR MAJOR OVERHAUL

Detailed dismantling procedures specific to the WRV163 compressor.

RE-ASSEMBLY 163 COMPRESSOR AFTER OVERHAUL

Detailed re-assembly procedures for the WRV163 compressor.

DISMANTLING WRV204, WRVI255, WRVi321 & WRVi365 COMPRESSORS FOR MAJOR OVERHAUL

Dismantling procedures for specific WRV/WRVi models.

RE-ASSEMBLY WRV204, WRVI255, WRVi321 & WRVi365 COMPRESSORS AFTER OVERHAUL

Re-assembly procedures for specific WRV/WRVi models.

SECTION 9 SPECIAL INSTRUCTIONS

TORQUE SPECIFICATIONS

Tables of torque specifications for various fasteners on different compressor models.

PROCEDURE FOR FITTING LOCKWASHERS

Method for correctly fitting lockwashers for component retention.

SPECIAL TOOLS

List of specialized tools for dismantling and assembly.

SECTION 10 SPARES

WRV WRVI RECOMMENDED SPARES LIST

List of recommended spare parts kits for WRV/WRVi compressors.

Summary

SECTION 1 FOREWORD

SECTION 2 DESCRIPTION

THE WRV COMPRESSOR

Overview of the Howden WRV & WRVi Oil Injected Compressor.

THE COMPRESSION CYCLE

Diagrammatic explanation of the compressor's working cycle.

DESCRIPTION OF A GAS SYSTEM

Explains the gas system in a typical refrigeration compressor set.

DESCRIPTION OF AN OIL SYSTEM

Details the oil system for a typical refrigeration compressor set.

RECOMMENDED LUBRICATING OILS

Lists approved lubricating oils for the compressors.

SECTION 3 INSTALLATION

ALIGNMENT OF COMPRESSOR COUPLINGS

Method for aligning compressor couplings to ensure proper operation.

ALIGNMENT TOLERANCE

Specifies acceptable alignment tolerances for compressor installations.

DOWELLING

Instructions on fitting dowels for re-alignment purposes.

PIPING

Guidelines for installing compressor piping to avoid flow restriction and strain.

SECTION 4 FIRST START UP

FIRST START

Step-by-step procedure for the initial start-up of the compressor.

SECTION 5 NORMAL OPERATION

NORMAL START

Procedure for starting the compressor under normal operating conditions.

NORMAL STOP

Procedure for stopping the compressor safely during normal operation.

SECTION 6 PROCEDURES DURING SHUTDOWN

PROCEDURES DURING SHUTDOWN

Guidelines for shutting down the compressor and protecting it.

INHIBITING OILS APPROVED FOR USE WITH HOWDEN SCREW COMPRESSORS

Lists approved inhibiting oils for prolonged shutdown protection.

SECTION 7 MAINTENANCE

GENERAL COMMENTS

Overview of maintenance recommendations and general procedures.

PREPARATION FOR ANNUAL INSPECTION

Safety precautions and preparations before dismantling for inspection.

DISMANTLING PROCEDURE FOR ANNUAL INSPECTION

Detailed steps for dismantling the compressor for annual inspection.

CHECKING CLEARANCES

Procedures for checking critical clearances within the compressor.

RE-ASSEMBLY AFTER ANNUAL INSPECTION

Steps for re-assembling the compressor after an annual inspection.

SECTION 8 OVERHAUL

GENERAL PROCEDURES

General steps and considerations for performing a major compressor overhaul.

DISMANTLING 163 COMPRESSOR FOR MAJOR OVERHAUL

Detailed dismantling procedures specific to the WRV163 compressor.

RE-ASSEMBLY 163 COMPRESSOR AFTER OVERHAUL

Detailed re-assembly procedures for the WRV163 compressor.

DISMANTLING WRV204, WRVI255, WRVi321 & WRVi365 COMPRESSORS FOR MAJOR OVERHAUL

Dismantling procedures for specific WRV/WRVi models.

RE-ASSEMBLY WRV204, WRVI255, WRVi321 & WRVi365 COMPRESSORS AFTER OVERHAUL

Re-assembly procedures for specific WRV/WRVi models.

SECTION 9 SPECIAL INSTRUCTIONS

TORQUE SPECIFICATIONS

Tables of torque specifications for various fasteners on different compressor models.

PROCEDURE FOR FITTING LOCKWASHERS

Method for correctly fitting lockwashers for component retention.

SPECIAL TOOLS

List of specialized tools for dismantling and assembly.

SECTION 10 SPARES

WRV WRVI RECOMMENDED SPARES LIST

List of recommended spare parts kits for WRV/WRVi compressors.

Howden WRV Specifications

General IconGeneral
BrandHowden
ModelWRV
CategoryAir Compressor
LanguageEnglish

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