Quincy Compressor QT Series - User Manual

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

Summary

SECTION 1 SAFETY

Safety First

General safety overview and hazard identification for compressor operation and maintenance.

SECTION 3 INSTALLATION

Receiving Delivery

Steps for inspecting compressor equipment for damage upon receipt.

Location

Electrical Supply Requirements

Information on correct electrical connections, codes, and supply voltage verification.

Wiring & Piping Schematics

Mounting

SECTION 4 START-UP & OPERATION

Pre-starting Checklist

Essential checks to perform before connecting power and starting the compressor.

Initial Starting & Operating

Procedures for the first-time startup of the compressor and initial operational checks.

Daily Starting Checklist

SECTION 5 MAINTENANCE & LUBRICATION

Stopping for Maintenance

Safety procedures for safely shutting down the compressor for maintenance or service.

Maintenance Schedule

Lubrication

Proper lubrication procedures, lubricant specifications, and capacity guidelines.

Pulley; Sheave Alignment & Belt Tension

Pressure Switch Adjustment

Pilot Valve Adjustments

SECTION 6 TROUBLESHOOTING

Low discharge pressure

Common causes and solutions for low air pressure output from the compressor.

Water in the crankcase

Excessive vibration

Identifying and resolving causes of excessive vibration during compressor operation.

Excessive drive belt wear

Low oil pressure

Troubleshooting steps for low oil pressure conditions within the compressor.

Compressor loads and unloads excessively

Defective pressure switch

Excessive air pressure in air receiver

Excessive intercooler pressure

Compressor overheats

Diagnosing and rectifying compressor overheating issues.

High discharge temperature

Investigating the causes of high air discharge temperatures from the compressor.

Compressor knocks

Identifying and fixing unusual knocking noises originating from the compressor.

Excessive oil consumption

Excessive current draw

Troubleshooting high electrical current consumption by the compressor motor.

Failure to start

Diagnosing and resolving issues preventing the compressor from starting.

Motor stalls

Identifying causes for the compressor motor stopping unexpectedly during operation.

Quincy Compressor QT Series Specifications