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Gardner Denver Electra-Screw EDEQHF User Manual

Gardner Denver Electra-Screw EDEQHF
51 pages
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GARDNER DENVER@
13-8-610
3rd Edition
January, 1994
ELECTRA-SCREW@ STATIONARY
BASE-MOUNTED COMPRESSORS
MODELS
EDEQHF
- 40 HP
EDEQJF
- 50 HP
60 HZ
OPERATING AND
SERVICE MANUAL

Table of Contents

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Gardner Denver Electra-Screw EDEQHF Specifications

General IconGeneral
BrandGardner Denver
ModelElectra-Screw EDEQHF
CategoryAir Compressor
LanguageEnglish

Summary

Foreword

Illustrations

Section 1 General Information

Compressor Operation

Explains the fundamental working principle of the Gardner Denver compressor.

Compression Principle

Details the meshing helical rotors and their role in air compression.

Air Flow in the Compressor System

Traces the path of air from inlet to discharge through the system.

Lubrication, Cooling and Sealing

Describes how oil is used for lubrication, cooling, and sealing internal parts.

Safety Precautions

General Safety Warnings

Provides critical DANGER, WARNING, and CAUTION notices for safe operation.

Decals

Section 2 Installation

General Installation Guidelines

Covers initial checks, lifting, location, and foundation requirements for the unit.

Air-Cooled Unit Installation

Specific instructions for installing units with air-cooled aftercoolers and enclosures.

Foundation Requirements

Details the need for a smooth, solid mounting surface for the compressor unit.

Cold Weather Installation

Provides guidelines for installing the unit in cold environments to prevent issues.

Section 3 Starting & Operating Procedures

Prestart-Up Instructions

Lists essential checks and servicing required before operating a new unit.

Starting the Unit

Step-by-step procedures for starting the compressor, both cold and hot.

Stopping the Unit

Outlines the correct procedure for safely shutting down the compressor.

Daily Check

Refers to the maintenance schedule for routine daily checks.

Section 4 Controls & Instrumentation

General Controls and Instrumentation

Covers general controls, protective devices, instruments, and air control components.

Auto-Sentry S Controller Operation

Explains controller operation, buttons, LEDs, and operation modes.

Pressure, Temperature, and Error Readouts

Details how to read displays, interpret error messages, and use readouts.

Programming Load/Unload Setpoints

Step-by-step guide to adjusting the compressor's load and unload pressure setpoints.

Lead-Lag Operation of Two Compressors

Instructions for configuring two compressors to operate in a lead-lag arrangement.

Section 5 Lubrication, Oil Cooler, Oil Filter & Separator

Oil System and Lubrication

Covers oil system, lubricant types, specifications, and change procedures.

Compressor Oil Filter

Details the function of the oil filter and the procedure for replacing the element.

Oil Separator Function and Troubleshooting

Explains separator function, carry-over issues, and maintenance.

Section 6 Air Filter

General Air Filter Maintenance

Emphasizes the importance of proper air filter maintenance for compressor performance.

Heavy-Duty Air Filter Service

Instructions for servicing the heavy-duty air filter, including cleaning and replacement.

Filter Element Life

Criteria for replacing the air filter element based on cleanings or damage.

Section 7 Belt Drive

Belt Tension and Alignment

Guidelines for checking and adjusting belt tension and alignment for optimal drive.

Section 8 Maintenance Schedule

Service Check List

A list of routine checks to be performed at various intervals.

Maintenance Schedule Chart

A table detailing maintenance actions based on operating hours and calendar time.

Section 9 Trouble Shooting

Starting and Operation Issues

Solves problems with compressor failing to start, stopping, or load/unload issues.

Temperature and Oil Issues

Addresses high discharge temperature and excessive oil consumption.

Oil Carry-Over Troubleshooting

Details common causes of oil carry-over and their remedies.

Indicator Light Troubleshooting

Troubleshooting steps for separator and motor overload indicator lights.

Filter and Reset Issues

Troubleshooting for air filter light and reset problems.

Reading and Electrical Issues

Solutions for erroneous pressure readings and electrical noise.

Warranty Information

General Provisions and Limitations

Outlines general warranty terms, exclusions, and limitations.

Warranty Period

Specifies the warranty duration for different compressor components.

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