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Quincy Compressor QSB 40 HP User Manual

Quincy Compressor QSB 40 HP
87 pages
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QSB Series
Rotary Screw Belt Drive Air Compressor
Instruction Manual
This manual contains important safety information and should be made available to
all personnel who operate and/or maintain this product. Carefully read this manual
before attempting to operate or perform maintenance on this equipment.
Manual No. 65001-RA
December 2001 Edition

Table of Contents

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Quincy Compressor QSB 40 HP Specifications

General IconGeneral
BrandQuincy Compressor
ModelQSB 40 HP
CategoryAir Compressor
LanguageEnglish

Summary

Section I - General

Standard Warranty

Seller's warranty against defects in workmanship and materials.

Safety Alert Symbols

Identifies hazard levels (Danger, Warning, Caution, Notice) in the manual.

Safety Precautions

Essential safety rules for operating and maintaining the compressor.

Section II - Description

The Compression Cycle

Explanation of the rotary screw compression process with diagrams.

Section III - Installation

Location

Guidelines for choosing a suitable, safe, and ventilated installation site.

Relief Valves

Importance and proper placement of pressure relief valves.

Section IV - Operating Procedures

Prior to Starting

Pre-operation checks and safety preparations before starting.

Starting the Compressor

Steps for safely starting the compressor and initial checks.

Stopping the Compressor - Normal Operation

Procedure for safely shutting down the compressor during normal use.

Stopping the Compressor - Emergency Operation

How to quickly stop the compressor in an emergency.

Section V - Maintenance or Service Preparation

Maintenance or Service Preparation

Critical safety steps before performing any maintenance or service.

Section VI - Servicing

Safety

General safety notices and recommendations for service personnel.

Shaft Seal

Procedures for inspecting and replacing the compressor shaft seal.

V-belt Drive Maintenance

Factors for successful V-belt drive operation and maintenance.

Belt Replacement/Tension Adjustment

Step-by-step guide for replacing and tensioning V-belts.

Section VII - Compressor Fluids

Fluid Specifications

Recommended synthetic fluids (QuinSyn PG, XP, Plus, F, IV) for compressors.

Fluid Analysis Program - General

Overview of Quincy's fluid analysis service for monitoring fluid health.

Cleaning and Flushing With QuinSyn Flush

Procedures for cleaning normal and varnished machines with QuinSyn Flush.

Sampling Procedures

How to properly collect and submit fluid samples for analysis.

Understanding the Analysis Report

Explanation of how to interpret the compressor fluid analysis report.

Section VIII - Troubleshooting

Failure to Start

Common causes and corrective actions for compressor start failures.

Unscheduled Shutdown

Troubleshooting common reasons for unexpected compressor shutdowns.

Thermal Overload Relays Tripping

Causes and solutions for thermal overload trips.

Low Air Delivery

Diagnosing and resolving issues with reduced air output.

Low Receiver Pressure

Troubleshooting causes for low pressure in the air receiver.

High Receiver Pressure

Identifying and fixing problems causing excessive receiver pressure.

High Discharge Air Temperature and/or High Fluid Injection Temperature

Troubleshooting high temperature issues in discharge air or fluid.

Frequent Air/Fluid Separator Clogging

Reasons for frequent clogging of the air/fluid separator.

Excessive Fluid Consumption

Diagnosing and rectifying high compressor fluid consumption.

Inlet Valve Not Opening Or Closing In Relation To Air Demand

Troubleshooting inlet valve operation issues related to air demand.

Compressor Does Not Unload When There Is No Air Demand

Diagnosing why the compressor fails to unload without air demand.

Premature Belt Failure

Causes and solutions for belts failing before their expected lifespan.

Severe or Abnormal Belt Wear

Diagnosing and correcting various types of abnormal belt wear patterns.

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