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Quincy QSI-90 User Manual

Quincy QSI-90
92 pages
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QSI-90/120/140
& QGV-20/25/30
Direct 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. 2012200011
December 2012 Edition
Địa ch: 365 QL 51, P. Long Bình Tân, Biên Hòa, Đồng Nai
Đin Thoi: 0888.624.124
Email: maynenkhi.az@gmail.com
Website:maynenkhia-z.com
A-Z COPM

Table of Contents

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Quincy QSI-90 Specifications

General IconGeneral
BrandQuincy
ModelQSI-90
CategoryAir Compressor
LanguageEnglish

Summary

Section I - General Information

Safety Alert Symbols

Identifies hazards and their seriousness using symbols.

Safety Precautions

Lists important safety measures to follow before and during operation.

Section II - Description

Control Panel Indicators & Gauges

Details the function of hourmeter, pressure, capacity, and temperature gauges.

Section IV - Operating Procedures

Prior to Starting Checks

Pre-operation checks and understanding manual sections.

Starting the Compressor

Steps for safely starting the compressor and monitoring its operation.

Stopping the Compressor

Procedures for normal and emergency shutdown of the compressor.

QSI Standard Controls Overview

Overview of the main display screen and control buttons.

QSI Control Alarms and Faults

Explains alarm messages, fault conditions, and their meanings.

Sensor Calibration

Calibrates pressure and temperature sensors.

Section V - Servicing

Preparing for Maintenance or Service

Safety procedures for preparing the compressor for maintenance.

Servicing Safety Precautions

General safety guidelines for maintenance personnel.

Maintenance Schedule

Recommended maintenance tasks and intervals based on hours or time.

Section VI - Compressor Fluids

Fluid Specifications

Recommended synthetic fluids for Quincy rotary screw compressors.

Fluid Analysis Program

Details Quincy's fluid analysis service for optimum drain intervals.

Sampling Procedures

How to collect fluid samples for analysis.

Understanding Fluid Analysis Report

Explanation of the different sections and parameters in a fluid analysis report.

Section VII - Troubleshooting

Troubleshooting: Failure to Start

Common causes and solutions for compressor startup failures.

Troubleshooting: Unscheduled Shutdowns

Diagnosing reasons for unexpected compressor shutdowns.

Troubleshooting: Thermal Overload Relays

Reasons for thermal overload relays tripping and how to address them.

Troubleshooting: Low Air Delivery

Diagnosing causes for reduced air output from the compressor.

Troubleshooting: Low Receiver Pressure

Identifying issues causing low pressure in the receiver tank.

Troubleshooting: High Receiver Pressure

Causes and solutions for excessively high pressure in the receiver.

Troubleshooting: High Discharge/Injection Temperature

Addressing high temperatures in the discharge air or fluid.

Troubleshooting: Separator Clogging

Reasons for frequent clogging of the air/fluid separator.

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