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Gardner Denver Champion ROTORCHAMP EFD99A User Manual

Gardner Denver Champion ROTORCHAMP EFD99A
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CHAMPION
®
13-8-627
Version: 04
May 2, 2006
ROTORCHAMP
BASE-MOUNTED
COMPRESSORS
MODELS – EFD99A
40 & 50 HP
OPERATING AND
SERVICE MANUAL
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Gardner Denver Champion ROTORCHAMP EFD99A Specifications

General IconGeneral
BrandGardner Denver
ModelChampion ROTORCHAMP EFD99A
CategoryAir Compressor
LanguageEnglish

Summary

FOREWORD

DANGER Hazard Level Definition

Defines hazard level indicating severe personal injury, death, or property damage.

WARNING Hazard Level Definition

Defines hazard level indicating severe personal injury, death, or property damage.

CAUTION Hazard Level Definition

Defines hazard level indicating minor personal injury or property damage.

NOTICE Information Type

Notifies important information that is not hazard-related.

SECTION 1 GENERAL INFORMATION

Compressor Overview

Describes the rotary screw compressor as a single-stage, positive displacement rotary machine.

Compression Principle

Explains the process of air compression via meshing helical rotors.

Air Flow System

Details the path of air through the compressor system.

Lubrication, Cooling, and Sealing

Explains how oil is used for compressor lubrication, cooling, and sealing.

SAFETY PRECAUTIONS

DANGER Safety Warnings

Critical warnings for severe injury or death if ignored.

WARNING Safety Warnings

Important warnings for severe injury, death, or property damage.

DECALS

Danger Decals

Visual warnings for hazards like discharge air, pressure, and modification.

Warning Decals

Visual warnings for rotating machinery and automatic restart hazards.

SECTION 2 INSTALLATION

General Installation Notes

Initial checks and reporting of damage upon unit receipt.

Lifting Unit Safety

Proper methods to prevent damage and injury during lifting operations.

Location Requirements

Guidelines for selecting an optimal installation site.

Air-Cooled Unit Specifics

Details on airflow requirements and cooler core maintenance.

FOUNDATION

Foundation Mounting

Recommendations for mounting the compressor on a stable surface.

OIL RESERVOIR DRAIN

Oil Reservoir Drain Location

Information on the location of the oil reservoir drain point.

ENCLOSURE

Enclosure Access and Operation

Details on accessing panels and importance of closed doors for operation.

Danger: Exposed Parts

Warning against operating the unit with guards or panels removed.

INSTALLATION FOR COLD WEATHER OPERATION

Cold Weather Installation Guidelines

Precautions for operating in temperatures down to +10° F.

Inlet Line Requirements

Specifications for the compressor inlet line construction.

DISCHARGE SERVICE LINE

Discharge Service Line Connection

Details on connecting the discharge service line and valve usage.

ELECTRICAL WIRING

Wiring Standards and Safety

Guidance on performing electrical wiring according to codes by qualified electricians.

GROUNDING

Grounding Requirements

Mandatory grounding procedures according to electrical codes.

MOTOR LUBRICATION

Motor Bearing Regreasing Procedure

Step-by-step guide for regreasing motor bearings.

ELECTRIC MOTOR GREASE RECOMMENDATIONS

Manufacturer Grease Types

Lists recommended grease manufacturers and trade names.

ELECTRIC MOTOR REGREASING INTERVAL

Regreasing Intervals by Service Type

Provides relubrication intervals based on service conditions.

SECTION 3 STARTING & OPERATING PROCEDURES

Prestart-Up Checks

Essential checks before initial unit operation.

Unit Start-Up Procedures

Steps for starting the compressor, including oil and air checks.

OPERATING PROCEDURES

Rotation Check and Verification

Procedure to check correct motor rotation direction.

System Pressure Adjustment

Guidance on setting system pressure within nameplate limits.

Enclosure Integrity Checks

Ensuring panels and doors are closed and latched.

STARTING THE UNIT

Cold Start Procedure

Steps for starting the unit when cold.

Hot Start Procedure

Steps for starting the unit when hot.

Stopping the Unit

Procedure for safely shutting down the compressor.

SECTION 4 CONTROLS & INSTRUMENTATION

General Control System Description

Overview of the prewired controls, motor, and starter.

Auto Sentry Operation

Explanation of the Auto Sentry control system's operation modes.

CONTROL DEVICES

Controller Functionality

Describes the Auto Sentry controller's integration of functions.

Relief Valve Operation and Testing

Details on the relief valve's purpose, testing, and safety.

CONTROL DEVICES - COMPONENTS

Key Control Components

Details on oil level gauge, pressure valves, inlet/unloader valves, check, blowdown, purge valves, transducers, and switches.

CONTROL DEVICES - SENSORS AND STARTER

Thermistors, Pushbutton, Transformer, Terminal Strip, Starter

Details on discharge/reservoir thermistors, emergency stop, control transformer, terminal strip, and main starter.

Changing Minimum Pressure/Check Valve Seals

Minimum Pressure/Check Valve Seal Replacement

Procedure for changing seals in the minimum pressure/check valve.

SECTION 5 LUBRICATION, OIL COOLER, OIL FILTER & SEPARATOR

Compressor Oil System Operation

Explains the flow of oil through the cooler, filter, and compressor.

Recommended Lubricant

Details Champion's recommended lubricants and availability.

Oil Specifications

Information on Champion RotorLub 4000 Lubricating Coolant.

OIL LEVEL AND TEMPERATURE MANAGEMENT

High Temp Operation & Lubricant Choice

Recommends RotorLub 8000 for sustained high temperatures.

Cold Ambient Operation Reference

References installation guidelines for cold environments.

Oil Level Check and Addition

Step-by-step guide to checking and adding oil.

OIL CHANGE INTERVAL

Oil Change Intervals Based on Temperature

Chart showing recommended oil change intervals by discharge temperature.

DRAINING AND CLEANING OIL SYSTEM

Oil System Draining Procedure

Steps for safely draining the complete oil system.

FILLING OIL RESERVOIR

Oil Reservoir Filling Procedure

Steps for safely filling the oil reservoir.

LUBRICANT UPGRADE PROCEDURE

Lubricant Upgrade Steps

Primary steps for upgrading or changing lubricant type.

SECTION 6 AIR FILTER

Standard Duty Air Filter Service

Instructions for replacing the standard duty air filter element.

Filter Element Life and Handling

Guidance on filter element replacement criteria and care.

COMPRESSOR OIL SYSTEM COMPONENTS

Oil Cooler, Valve, Reservoir, Separator, Gauging

Details on oil cooler, thermostatic valve, oil reservoir, air/oil separator, and pressure differential monitoring.

Removal of Oil Separator For Inspection or Replacement

Oil Separator Element Replacement Procedure

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

COMPRESSOR OIL SYSTEM CHECK

Oil System Temperature and Pressure Checks

Procedures for checking oil discharge, inlet temperatures, and pressures.

SECTION 7 BELT DRIVE

Replacing Compressor Belts

Procedure for removing and installing new drive belts.

Replacing Compressor Sheave

Procedure for replacing the compressor sheave.

SHEAVE ALIGNMENT

Sheave Alignment Procedure

Detailed steps for achieving proper parallel and angular sheave alignment.

Belt Tension Check

Methods and tools for checking and adjusting belt tension.

MAINTENANCE SCHEDULE

Service Check List

Summary of maintenance actions based on operating hours.

Scheduled Maintenance Tasks

Details on daily, 125, 1000, 4000 hour, and yearly maintenance.

TROUBLESHOOTING COMMON ISSUES

Startup and Loading Problems

Addresses issues with starting, stopping, loading, and unloading.

Operational Cycle Problems

Troubleshoots excessive cycling and unloaded operation.

TROUBLESHOOTING PERFORMANCE ISSUES

Slow Starts, Low Delivery, High Temp, Oil Consumption

Diagnoses issues like slow starts, low pressure, high temps, and excessive oil usage.

Oil Carryover

Oil Carryover Causes and Remedies

Identifies causes of oil carryover and their solutions.

TROUBLESHOOTING VOLTAGE PROBLEMS

Voltage Range Effects

Explains how operating voltages affect compressor components.

Voltage Issues and Symptoms

Details symptoms related to high or low voltage conditions.

WARRANTY

General Warranty Provisions

Outlines general limitations and conditions for warranty claims.

Warranty Period Details

Specifies warranty durations for different compressor components.

Warranty Disclaimer

States the exclusivity of warranties and limitations of liability.

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