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Gardner Denver INTEGRA EFC99A User Manual

Gardner Denver INTEGRA EFC99A
53 pages
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GARDNER DENVER
®
13-8-621
Version: 05
October 14, 2004
INTEGRA
BASE-MOUNTED
COMPRESSORS
MODELS – EFC99A, EFC99F
20, 25 & 30 HP
OPERATING AND
SERVICE MANUAL
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Gardner Denver INTEGRA EFC99A Specifications

General IconGeneral
BrandGardner Denver
ModelINTEGRA EFC99A
CategoryAir Compressor
LanguageEnglish

Summary

Foreword

Safety Precautions

General Safety Guidelines

Crucial safety instructions covering hazards like moving parts, electrical shock, and pressure.

Decals

Section 2 Installation

General Installation Guidelines

Initial checks, handling, and general placement advice upon receiving the unit.

Lifting Unit Procedures

Safe methods for lifting and transporting the compressor unit to prevent damage.

Unit Location Requirements

Recommended environmental conditions and space requirements for optimal compressor placement.

Air-Cooled Unit Installation

Specific installation details and airflow requirements for air-cooled compressor models.

Foundation Requirements

Guidance on mounting surfaces and foundation considerations for compressor stability.

Oil Reservoir Drain Procedure

Instructions for draining oil from the compressor's oil reservoir.

Enclosure Installation

Information regarding the compressor enclosure, access panels, and maintenance space.

Cold Weather Installation

Recommendations and precautions for installing and operating the compressor in cold environments.

Installation for Cold Weather Operation

Detailed precautions for operating units in cold climates, including shelter and heat tape.

Auxiliary Air Receiver

Considerations for using an auxiliary air receiver with the compressor system.

Standard Moisture Separator/Trap

Description of the built-in moisture separator and trap system.

Control Piping

Information on factory wiring and piping for the control system.

Inlet Line Installation

Guidelines for installing the air inlet line to prevent contamination and ensure proper airflow.

Inlet Line Lengths

Specifications for pipe size based on the length of the inlet line.

Discharge Service Line Connection

Details on connecting the discharge service line and the function of the air service valve.

Electrical Wiring Requirements

Standards and guidelines for electrical wiring, grounding, and qualified personnel.

Grounding Procedures

Requirements for proper equipment grounding according to electrical codes.

Motor Lubrication

Recommendations and procedures for lubricating the drive motor bearings.

Section 3 Starting & Operating Procedures

Pre-Start Up Instructions

Critical checks and servicing required before operating a new compressor unit.

Motor Rotation Check

Procedure for verifying correct motor rotation direction to prevent damage.

System Pressure Adjustment

Guidelines for setting and adjusting system discharge pressure, avoiding overpressure.

Operating Mode Selection

Information on selecting and understanding different operating modes for the compressor.

Enclosure Checks

Ensuring the compressor enclosure doors and panels are properly closed and latched.

Starting the Unit

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

Daily Checks and Stopping Procedure

Routine daily checks and the correct procedure for stopping the compressor operation.

Section 4 Controls & Instrumentation

General Description of Controls

Introduction to the pre-wired controls, motor, starter, and control box components.

AutoSentry® Operation

Explanation of the AutoSentry controller's functions and operating modes.

Control Devices Overview

Detailed description of control devices including the AutoSentry controller and relief valve.

Relief Valve Function and Testing

Information on the pressure relief valve's purpose, setting, and periodic testing procedures.

Oil Level Gauge

How to read the oil level gauge and check the oil status.

Minimum Discharge Pressure/Check Valve

Function and operation of the minimum pressure and check valve assembly.

Inlet Valve Operation

Description of the inlet valve's role in controlling air delivery and compressor unloading.

Magnetic Unloader Solenoid Valve

Function of the solenoid valve in controlling the inlet valve position.

Check Valve and Blowdown Valve

Explanation of the check valve's function and the blowdown valve's role in system pressure release.

Pressure Transducers

Information on system and reservoir pressure transducers and their signals.

Air Filter Vacuum Switch

Function of the vacuum switch for monitoring air filter condition.

Discharge and Reservoir Thermistors

Role of thermistors in monitoring compressor and reservoir temperatures.

Emergency Stop and Control Transformer

Usage of the emergency stop button and function of the control transformer.

Terminal Strip and Main Starter

Connections for control devices and the function of the main motor starter.

Changing Minimum Pressure/Check Valve Seals

Step-by-step procedure for replacing seals in the minimum pressure/check valve.

Section 5 Lubrication Oil Cooler, Oil Filter & Separator

Compressor Oil System Overview

Explanation of how oil circulates for cooling, lubrication, and sealing within the compressor.

Recommended Lubricant and Specifications

Guidance on approved lubricants, their properties, and compatibility.

High Temperature Operation Lubrication

Specific lubricant recommendations for high discharge temperature conditions.

Cold Ambient Operation Considerations

Advice on operating the compressor in cold ambient conditions.

Procedure for Checking Oil Level

Step-by-step instructions for checking and maintaining the correct oil level.

Adding Oil Between Changes

Guidelines for adding oil between scheduled maintenance intervals.

Oil Change Interval Recommendations

Intervals for changing compressor lubricant based on discharge temperature.

Draining and Cleaning the Oil System

Procedures for safely draining and cleaning the compressor's oil system.

Filling the Oil Reservoir

Instructions on how to properly refill the oil reservoir after draining or maintenance.

Lubricant Upgrade Procedure

Steps involved in upgrading or changing the type of lubricant used in the compressor.

Oil Level Gauge Operation

How to read and interpret the oil level gauge on the reservoir.

Moisture in the Oil System

Causes and effects of moisture contamination in the oil system.

Compressor Oil Filter Maintenance

Procedures for replacing the compressor oil filter element and maintenance intervals.

Compressor Oil Cooler Maintenance

Guidelines for cleaning and maintaining the compressor oil cooler.

Thermal Control (Thermostatic Mixing) Valve

Function and maintenance of the thermostatic mixing valve for oil temperature control.

Oil Reservoir Function

Description of the oil reservoir's multiple functions within the system.

Compressor Air/Oil Separator

Details on the air/oil separator, its element, and potential carryover issues.

Oil Separator Removal and Replacement

Step-by-step procedure for removing and replacing the oil separator element.

Compressor Oil System Checks

Recommended readings and checks for the compressor oil system at operating temperature.

Discharge Temperature Monitoring

Checking and monitoring air and oil discharge temperatures for proper operation.

Oil Inlet Temperature and Pressure Checks

Procedures for checking compressor oil inlet temperature and pressure.

Oil Cooler Differential Checks

Measuring oil pressure and temperature differentials across the oil cooler.

Section 6 Air Filter

Standard Duty Air Filter

Description and service instructions for the standard duty air filter.

Air Filter Element Life and Replacement

Guidelines for determining filter element life and replacement criteria.

Section 7 Belt Drive

Replacing Compressor Drive Belts

Steps for removing and installing new drive belts for the compressor.

Replacing Compressor Sheave

Procedure for removing and installing compressor sheaves.

Checking Belt Tension

Methods for checking belt tension using a spring scale and deflection.

Section 8 Maintenance Schedule

Service Check List Overview

A list of maintenance actions and their recommended frequencies.

Air Filter Maintenance

Maintenance actions related to the air filter based on operating conditions.

Motor Lubrication Schedule

Motor lubrication requirements and intervals as per the maintenance schedule.

8-Hour Operation Checks

Daily checks including oil level, unit loading, pressure, and temperature.

125-Hour Operation Checks

Checks required every 125 hours of operation, focusing on cooler and fan cleanliness.

1000-Hour Operation Maintenance

Maintenance tasks due every 1000 hours, such as oil filter replacement.

4000-Hour Operation Maintenance

Lubricant changes and system flushing required every 4000 hours of operation.

Annual Maintenance Checks

Annual checks including relief valve operation and oil separator replacement.

Section 9 Troubleshooting

Compressor Fails to Start

Troubleshooting steps for a compressor that does not initiate operation.

Compressor Stops Shortly After Starting

Diagnosing and resolving issues causing the compressor to stop soon after startup.

Compressor Fails to Unload or Load

Identifying causes and solutions for the compressor not unloading or loading correctly.

Excessive Load/Unload Cycling

Addressing issues causing the compressor to cycle between load and unload states too frequently.

Compressor Runs Unloaded Too Often

Troubleshooting reasons for the compressor frequently operating in an unloaded state.

Compressor Starts Slowly

Diagnosing causes for slow compressor startup and remedies.

Low Air Delivery and Pressure

Troubleshooting low compressor output and pressure issues.

High Discharge Air Temperature

Identifying and resolving causes of elevated discharge air temperatures.

Excessive Oil Consumption

Diagnosing and fixing the causes of increased oil consumption in the compressor.

Oil Carryover Issues

Troubleshooting and resolving problems related to oil carryover into the air lines.

Troubleshooting Voltage Problems

Warranty

General Provisions and Limitations

Standard terms, limitations, and exclusions applicable to the product warranty.

Warranty Period Details

Specific warranty durations for different components like airends and motors.

Airends Warranty

Warranty coverage and conditions specific to the compressor airend assembly.

Major Package Components Warranty

Warranty terms for key components such as coolers and controllers.

Drive and Fan Motor Warranty

Warranty coverage for the drive and fan motors, including voltage limitations.

Other Components Warranty

Warranty terms for all other components not explicitly listed.

Labor, Transportation, and Inspection

Details on labor coverage, transportation costs, and inspection procedures for warranty claims.

Warranty Disclaimer

Legal disclaimer excluding implied warranties and limiting company liability.

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