EasyManua.ls Logo

Quincy QGB 20 - User Manual

Default Icon
100 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
QGB Series (20-60 HP)
Belt Drive Air Compressors
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. 65089-1B
May 2006 Edition
Latest Update: October 2007

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Quincy QGB 20 and is the answer not in the manual?

Summary

General Information and Safety

Safety Alert Symbols

Explains the meaning of hazard symbols like DANGER, WARNING, CAUTION, NOTICE.

Safety Precautions

Lists essential safety rules for operating and maintaining the compressor.

Royal Blue Warranty

Outlines the terms and coverage periods for the Royal Blue warranty program.

Royal Blue Warranty Details

Lists warranty exclusions and requirements for claims.

Operating Procedures

Pre-Startup Checks

Lists essential checks before operating the compressor.

Starting the Compressor

Step-by-step guide for safely starting the compressor.

Stopping the Compressor

Explains normal and emergency procedures for stopping the unit.

Integrated Dryer Operation

Integrated Dryer Safety Precautions

Lists essential safety rules for operating and maintaining the air dryer.

Dryer Start-up and Operation

Details the start-up procedure, including crankcase heater use and operating conditions.

Servicing and Maintenance

Preparing for Maintenance or Service

Outlines safety procedures for disconnecting power and relieving pressure.

Servicing Safety Precautions

Provides general safety guidelines for personnel performing maintenance.

Maintenance Schedule

Provides a schedule for periodic maintenance tasks based on hours or time.

Belt Replacement Procedure

Step-by-step instructions for replacing drive belts.

Compressor Fluids

Compressor Fluid Specifications

Lists recommended synthetic fluids (QuinSyn PG, XP, Plus, F, IV) and their applications.

Fluid Analysis Program Overview

Explains the fluid analysis service for optimizing drain intervals and machine protection.

Cleaning and Flushing Procedures

Step-by-step guide for cleaning normal and varnished machines with QuinSyn Flush.

Fluid Sampling Procedures

Detailed instructions for taking fluid samples for analysis.

Troubleshooting

Troubleshooting: Failure to Start

Lists common causes and solutions for the compressor failing to start.

Troubleshooting: Unscheduled Shutdown

Addresses causes and remedies for unexpected compressor shutdowns.

Troubleshooting: Low Air Delivery

Identifies issues causing reduced air output and their solutions.

Troubleshooting: Low Receiver Pressure

Addresses causes for low pressure in the receiver and troubleshooting steps.

Troubleshooting: High Receiver Pressure

Lists causes for high receiver pressure and corrective actions.

Troubleshooting: High Temperature Issues

Explains causes of high discharge air or fluid injection temperatures.

Troubleshooting: Inlet Valve Operation

Addresses issues with the inlet valve not opening or closing correctly based on air demand.

Troubleshooting: Compressor Not Unloading

Lists reasons why the compressor fails to unload when there's no air demand.

Troubleshooting: Reverting to Load

Addresses issues when the compressor fails to return to load after pressure drops.

Troubleshooting: Auto-Dual Timeout Failures

Explains why the compressor may not time out or shut down in Auto/Dual mode.

Troubleshooting: Pressure Relief Valve Exhausting

Addresses issues with pressure relief valves constantly exhausting.

Troubleshooting: Premature Belt Failure

Lists causes for premature belt failure and preventative measures.

Troubleshooting: V-Belts Off Drive

Explains reasons why V-belts might turn over or come off the drive.

Troubleshooting: Belt Stretch Issues

Addresses belt stretching beyond the take-up capacity.

Troubleshooting: Abnormal Belt Wear

Details types of severe belt wear and their causes.

Troubleshooting: Belt Wear Causes

Continues the discussion on belt wear types and their causes.

Integrated Dryer Troubleshooting: Unit Does Not Run

Addresses issues when the integrated dryer unit does not run.

Integrated Dryer Troubleshooting: Short Cycling

Explains causes for the dryer unit short cycling.

Integrated Dryer Troubleshooting: Head Pressure Issues

Covers causes for high and low head pressure in the dryer.

Integrated Dryer Troubleshooting: Noise and Suction Line

Addresses noisy dryer units and frosted suction lines.

Integrated Dryer Troubleshooting: High Air Temperature

Explains causes for high air temperature output from the dryer.

Integrated Dryer Troubleshooting: Low Air Pressure

Addresses causes for low air pressure output from the dryer.

Integrated Dryer Troubleshooting: Erratic Airflow

Covers causes for erratic or zero airflow from the dryer.

Summary

General Information and Safety

Safety Alert Symbols

Explains the meaning of hazard symbols like DANGER, WARNING, CAUTION, NOTICE.

Safety Precautions

Lists essential safety rules for operating and maintaining the compressor.

Royal Blue Warranty

Outlines the terms and coverage periods for the Royal Blue warranty program.

Royal Blue Warranty Details

Lists warranty exclusions and requirements for claims.

Operating Procedures

Pre-Startup Checks

Lists essential checks before operating the compressor.

Starting the Compressor

Step-by-step guide for safely starting the compressor.

Stopping the Compressor

Explains normal and emergency procedures for stopping the unit.

Integrated Dryer Operation

Integrated Dryer Safety Precautions

Lists essential safety rules for operating and maintaining the air dryer.

Dryer Start-up and Operation

Details the start-up procedure, including crankcase heater use and operating conditions.

Servicing and Maintenance

Preparing for Maintenance or Service

Outlines safety procedures for disconnecting power and relieving pressure.

Servicing Safety Precautions

Provides general safety guidelines for personnel performing maintenance.

Maintenance Schedule

Provides a schedule for periodic maintenance tasks based on hours or time.

Belt Replacement Procedure

Step-by-step instructions for replacing drive belts.

Compressor Fluids

Compressor Fluid Specifications

Lists recommended synthetic fluids (QuinSyn PG, XP, Plus, F, IV) and their applications.

Fluid Analysis Program Overview

Explains the fluid analysis service for optimizing drain intervals and machine protection.

Cleaning and Flushing Procedures

Step-by-step guide for cleaning normal and varnished machines with QuinSyn Flush.

Fluid Sampling Procedures

Detailed instructions for taking fluid samples for analysis.

Troubleshooting

Troubleshooting: Failure to Start

Lists common causes and solutions for the compressor failing to start.

Troubleshooting: Unscheduled Shutdown

Addresses causes and remedies for unexpected compressor shutdowns.

Troubleshooting: Low Air Delivery

Identifies issues causing reduced air output and their solutions.

Troubleshooting: Low Receiver Pressure

Addresses causes for low pressure in the receiver and troubleshooting steps.

Troubleshooting: High Receiver Pressure

Lists causes for high receiver pressure and corrective actions.

Troubleshooting: High Temperature Issues

Explains causes of high discharge air or fluid injection temperatures.

Troubleshooting: Inlet Valve Operation

Addresses issues with the inlet valve not opening or closing correctly based on air demand.

Troubleshooting: Compressor Not Unloading

Lists reasons why the compressor fails to unload when there's no air demand.

Troubleshooting: Reverting to Load

Addresses issues when the compressor fails to return to load after pressure drops.

Troubleshooting: Auto-Dual Timeout Failures

Explains why the compressor may not time out or shut down in Auto/Dual mode.

Troubleshooting: Pressure Relief Valve Exhausting

Addresses issues with pressure relief valves constantly exhausting.

Troubleshooting: Premature Belt Failure

Lists causes for premature belt failure and preventative measures.

Troubleshooting: V-Belts Off Drive

Explains reasons why V-belts might turn over or come off the drive.

Troubleshooting: Belt Stretch Issues

Addresses belt stretching beyond the take-up capacity.

Troubleshooting: Abnormal Belt Wear

Details types of severe belt wear and their causes.

Troubleshooting: Belt Wear Causes

Continues the discussion on belt wear types and their causes.

Integrated Dryer Troubleshooting: Unit Does Not Run

Addresses issues when the integrated dryer unit does not run.

Integrated Dryer Troubleshooting: Short Cycling

Explains causes for the dryer unit short cycling.

Integrated Dryer Troubleshooting: Head Pressure Issues

Covers causes for high and low head pressure in the dryer.

Integrated Dryer Troubleshooting: Noise and Suction Line

Addresses noisy dryer units and frosted suction lines.

Integrated Dryer Troubleshooting: High Air Temperature

Explains causes for high air temperature output from the dryer.

Integrated Dryer Troubleshooting: Low Air Pressure

Addresses causes for low air pressure output from the dryer.

Integrated Dryer Troubleshooting: Erratic Airflow

Covers causes for erratic or zero airflow from the dryer.

Quincy QGB 20 Specifications

General IconGeneral
Horsepower5 HP
Power SourceElectric
Number of Stages2
Max Pressure175 PSI
Belt DrivenYes
Voltage230V
PhaseSingle Phase

Related product manuals