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Quincy Compressor QR-25 Series User Manual

Quincy Compressor QR-25 Series
43 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.
Product warranty information is available at www.quincycompressor.com/about/warranties
Manual No. 52201-107
December 2012 Edition
QR-25
®
Series
Instruction Manual

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Quincy Compressor QR-25 Series Specifications

General IconGeneral
ModelQR-25 Series
Maximum Pressure175 psi
Pump MaterialCast Iron
Horsepower25 HP
Voltage230V
Phase3
WeightApproximately 1, 200 lbs (varies by configuration)

Summary

Safety

Safety First

Defines safety levels (Danger, Warning, Caution) and lists general precautions.

System Dynamics

Description & Application

Provides an overview of the QR-25 Series compressors.

Principles of Compression Cycles

Explains single and two-stage compressor operation.

Specifications

Lists model, stroke, bore, RPM range, and max pressure.

Installation

Receiving Delivery

Steps for inspecting compressor equipment upon receipt.

Electrical Supply Requirements

Electrical installation standards and precautions.

Mounting

Proper mounting techniques for safe operation and longevity.

Start-Up & Operation

Pre-starting Checklist

Steps to perform before connecting power to the unit.

Initial Starting & Operating

Procedures for starting and monitoring the compressor.

Maintenance & Lubrication

Stopping for Maintenance

Procedures for safely shutting down the compressor for service.

Pulley / Sheave Alignment & Belt Tension

Importance of proper alignment and belt tension.

Pilot Valve Adjustments

Setting Unload Pressure

Procedure to adjust the unload pressure setting.

Setting Differential Pressure

Procedure to adjust the differential pressure setting.

Reference Information

Approximate Capacity Correction for Altitude

Provides factors to adjust capacity based on altitude.

Decal Locations

Typical QR-25 Unit with Horizontal Receiver

Diagram showing decal placement on a horizontal receiver unit.

Typical QR-25 Unit with Vertical Receiver

Diagram showing decal placement on a vertical receiver unit.

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