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Quincy Compressor QTS-3 - User Manual

Quincy Compressor QTS-3
50 pages
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This manual contains important safety information and must be
carefully read in its entirety and understood prior to installation
by all personnel who install, operate and/or maintain this product.
On-line product registration, parts ordering and warranty information is available at www.quincycompressor.com
THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING LEAD,
WHICH IS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER
AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM. FOR MORE
INFORMATION GO TO WWW.P65WARNINGS.CA.GOV
Manual No. 2022208700
September 2018 Edition
QT and QTS Series
Compressors
Instruction Manual

Table of Contents

Other manuals for Quincy Compressor QTS-3

Preview: User Manual
User Manual20 pages

Questions and Answers

  • T
    Thomas GardnerAug 13, 2025
    Why is the discharge pressure low on my Quincy Compressor Air Compressor?
    • M
      Matthew SchroederAug 13, 2025
      If your Quincy Compressor Air Compressor experiences low discharge pressure, it might be due to several reasons. First, the compressor could be too small for the application, in which case you should reduce air demand or use a compressor with more air capacity. Second, air leaks could be the culprit; listen for them and apply a soap solution to fittings and connections to identify and tighten or replace the leaking components. Third, a restricted intake air could be the cause; clean or replace the air filter. Fourth, blown gaskets can lead to low pressure, so replace any necessary gaskets. Lastly, broken or misaligned valves can cause this issue; remove the head and inspect, replacing valves if needed.
  • E
    Edward MayAug 17, 2025
    Why doesn't my Quincy Compressor Air Compressor tank hold pressure?
    • Q
      qfisherAug 17, 2025
      If your Quincy Compressor Air Compressor tank does not hold pressure when not running and the shut-off valve is closed, it could be due to a few reasons. A malfunctioning check valve is a common cause, so replace it. Loose fittings or connections can also lead to pressure loss; tighten or replace them. Lastly, inspect the tank for any cracks or pinholes; if found, replace the tank and do not attempt to repair it.
  • C
    Christine TurnerAug 20, 2025
    How to fix excessive knocking noise in my Quincy Compressor Air Compressor?
    • H
      hillsabrinaAug 21, 2025
      If your Quincy Compressor Air Compressor is excessively noisy with a knocking sound, several factors could be the cause. Ensure the drive pulley or flywheel is tightened. Low oil levels can also lead to knocking, so check for proper oil level. It may cause bearing damage. Another cause may be worn connecting rod or connecting rod bearing, which would require replacing the connecting rod and/or connecting rod bearings. Lastly, a noisy check valve can also produce this sound, and you would need to replace the check valve.
  • T
    Teresa AlvarezAug 25, 2025
    What to do if my Quincy Compressor Air Compressor will not run or the motor hums?
    • M
      Michelle ChambersAug 25, 2025
      If your Quincy Compressor Air Compressor will not run or the motor hums, begin by checking the voltage with a voltmeter across both legs of incoming power, and check the reset button on the motor. Also, a malfunctioning pressure switch can prevent the compressor from running, so repair or replace the pressure switch. Finally, a malfunctioning check valve may be the issue, so replace the check valve or pressure switch.
  • D
    David WilliamsAug 28, 2025
    Why is there excessive oil carryover in my Quincy Compressor Air Compressor?
    • C
      Cory ChapmanAug 28, 2025
      Excessive oil carryover in your Quincy Compressor Air Compressor can stem from several issues. Worn piston rings are a common cause, so replace them with new ones. Restricted intake air can also contribute; clean or replace the air filter. Ensure the oil level isn't too high by draining it to the proper level. Finally, using the incorrect oil viscosity can lead to this problem; use a quality non-detergent SAE 40 (ISO 150) oil.
  • E
    edwardwrightAug 31, 2025
    Why is my Quincy Compressor Air Compressor overheating?
    • M
      Mr. Jeffrey BergAug 31, 2025
      If your Quincy Compressor Air Compressor is overheating, consider these potential causes: the compressor might be too small for the application, in which case you should reduce air demand or use a compressor with more air capacity. Another reason may be dirty cooling surfaces, so clean all cooling surfaces of dirt and dust. Finally, improper cooling can lead to overheating; ensure the compressor is installed in an area with adequate cool, dry air.
  • A
    arroyojenniferSep 4, 2025
    How to reduce excessive vibration in my Quincy Compressor Air Compressor?
    • J
      Julia GrimesSep 4, 2025
      Excessive vibration in your Quincy Compressor Air Compressor can be attributed to a few factors. Ensure the unit is mounted on a level surface with vibration pads for proper installation. Loose belts can also cause vibration; replace the belts and align and tighten them properly. Misaligned flywheel or drive pulley can also lead to this issue; align the flywheel and drive pulley.
  • S
    Sabrina LyonsSep 8, 2025
    What causes the pressure switch not unloading on my Quincy Compressor Air Compressor?
    • D
      Daniel GonzalezSep 8, 2025
      If the pressure switch on your Quincy Compressor Air Compressor is not unloading, it is likely malfunctioning. Replace the pressure switch if it does not release air pressure briefly when the unit shuts off.

Summary

SECTION 1 SAFETY

Safety First

Explains the importance of safety precautions throughout the manual for Quincy compressors.

SECTION 3 INSTALLATION

Receiving Delivery

Location

Electrical Supply Requirements

Details electrical connection requirements, codes, and safety precautions.

Mounting

Provides guidelines for properly mounting the compressor unit and related components.

Induction System

Pressure Vessels

Outlines ASME code requirements and safety precautions for air receiver tanks and vessels.

SECTION 4 START-UP & OPERATION

Pre-starting Checklist

A detailed list of checks to perform before connecting power to the unit.

Initial Starting & Operating

Provides instructions for the first start-up and initial operation of the compressor.

Daily Starting Checklist

SECTION 5 MAINTENANCE & LUBRICATION

Stopping for Maintenance

Outlines the safe procedures for stopping the compressor for service.

Maintenance Schedule

Lubrication

Provides guidance on checking lubricant levels, capacities, and specifications.

Pulley; Sheave Alignment & Belt Tension

Explains how to align pulleys and set belt tension to prevent motor overloading.

Pressure Switch Adjustment

PILOT VALVE ADJUSTMENTS

SECTION 6 TROUBLESHOOTING

Quincy Compressor QTS-3 Specifications

General IconGeneral
ModelQTS-3
Horsepower3 HP
Max Pressure175 PSI
Tank Size60 Gallons
Voltage230V
PhaseSingle
Maximum Pressure175 PSI
Motor Power3 HP
Noise Level78 dBA
Displacement11.5 CFM

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