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Quincy Compressor QTS-5 - User Manual

Quincy Compressor QTS-5
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-5

Preview: User Manual
User Manual20 pages

Questions and Answers

  • T
    Thomas MooreAug 13, 2025
    Why is the discharge pressure low on my Quincy Compressor Air Compressor?
    • S
      steven99Aug 14, 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.
  • W
    William RoblesAug 17, 2025
    Why doesn't my Quincy Compressor Air Compressor tank hold pressure?
    • P
      philip02Aug 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.
  • L
    lewisstephanieAug 21, 2025
    How to fix excessive knocking noise in my Quincy Compressor Air Compressor?
    • N
      Nancy KeyAug 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.
  • M
    Mary ClarkAug 25, 2025
    What to do if my Quincy Compressor Air Compressor will not run or the motor hums?
    • A
      Adam ReynoldsAug 26, 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.
  • S
    smithmelissaAug 29, 2025
    Why is there excessive oil carryover in my Quincy Compressor Air Compressor?
    • A
      abigail36Aug 29, 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.
  • N
    Natalie FloresSep 1, 2025
    Why is my Quincy Compressor Air Compressor overheating?
    • D
      Daniel JonesSep 1, 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.
  • T
    Troy DownsSep 5, 2025
    How to reduce excessive vibration in my Quincy Compressor Air Compressor?
    • L
      Laura Gonzalez MDSep 5, 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.
  • Y
    yvonne28Sep 9, 2025
    What causes the pressure switch not unloading on my Quincy Compressor Air Compressor?
    • E
      Elizabeth HillSep 9, 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

Safety

Safety First

General safety overview and importance of following precautions.

Hazard Definitions

Installation

Installation Location & Environment

Electrical Supply & Wiring

Details on electrical connection, supply requirements, safety, and wiring schematics.

Piping, Vessels & Safety Devices

Information on piping schematics, pressure vessels, discharge systems, and safety devices.

Mounting & System Components

Start-Up & Operation

Pre-Starting Checklist

Essential steps to perform before connecting power to the unit.

Initial Starting & Operating

Procedures for the first startup, break-in, and initial operation monitoring.

Daily Starting Checklist

Maintenance & Lubrication

Stopping for Maintenance

Procedures for safely shutting down the compressor for service.

Maintenance Schedule

Recommended schedule for routine checks and service intervals.

Lubrication

Guidance on checking lubricant levels, capacities, and specifications.

Pulley;Sheave Alignment & Belt Tension

Pressure Switch & Pilot Valve Adjustments

Troubleshooting

Low Discharge Pressure

Water in Crankcase; Excessive Vibration

Belt Wear, Oil Pressure & Overload Issues

Compressor Overheating & Knocks

Motor & Start-Up Failures

Quincy Compressor QTS-5 Specifications

General IconGeneral
ModelQTS-5
Horsepower5 HP
Maximum Pressure175 PSI
Voltage230 V
Pump TypeCast Iron
Max Pressure175 PSI
Air Delivery14.5 CFM @ 175 PSI
PhaseSingle Phase
Tank Capacity/Size60 Gallon

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