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Manuals
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Gardner Denver Manuals
Air Compressor
Electra-Screw EDEQHF
Operating and service manual
Gardner Denver Electra-Screw EDEQHF Operating And Service Manual
Stationary base-mounted compressors - 40/50 hp
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Index
Table of Contents
Illustrations List
Compressor Principle
Air Flow in the Compressor System
Lubrication, Cooling and Sealing
Compression Cycle
Package - Minimum Pressure/Check Valve, Mixing Valve & Oil Filter
Package - Oil Level Gauge, Separator and Air Filter
Package - Controller and Starter Box
Safety Precautions
Decals
Foundation
Location
Installation
Air-Cooled Unit
Typical Compressor Room
Oil Reservoir Drain
Enclosure
Installation for Cold Weather Operation
Auxiliary Air Receiver
Moisture Separator/Trap
Control Piping
Inlet Line/Discharge Service Line
Electric Motor Grease Recommendations
Blowdown Valvle Piping
Motor Lubrication
Electrical Wiring
Electric Motor Regreasing Interval
Starting and Operating Procedures
Prestart-Up Instructions
Starting the Unit
Stopping the Unit
Controls and Instrumentation
Protective Devices
High Discharge Temperature
Control Schematic
Inlet Valve
Air Control Components
Oil Level Gauge
Instruments
Minimum Pressure/Check Valve
Control System Operation
Stop/Reset Button with LED
Auto Lead Button with LED
Augo Lag Button with LED
"Change Separator" LED
"Change Air Filter" LED
Pressure and Temperature Digital Readouts
Definitions of Error Messages
Subtractive Pilot View
Lead-Lag Operation of Two Compressors
To Adjust the Subtractive Pilot
Subtractive Pilot (Modulating Feature) Description
Operating Air Pressure Adjustment
Auto Sentry "S" Solid State Control Touch Pad
Maximum Setpoints for Auto-Sentry S Controller, PSIG
Wiring Diagram - Dual Control
Lubrication - Oil Cooler, Oil Filter and Separator
Compressor Oil System
High Temperature Operation
Lubricant Change Procedure
Addition of Oil between Changes
Approximate Oil System Capacities
Draining and Cleaning Oil System
Oil Change Interval
Moisture in the Oil System
Oil Level Sight Gauges
Thermostatic Mixing Valve
Compressor Oil Cooler
Thermal Control (Thermostatic Mixing) Valve
Oil Reservoir
Compressor (G-D Eliminator) Oil Separator
Compressor Oil System Check
Removal of Oil Separator for Inspection or Replacement
Air and Oil Discharge Temperature Check
Oil Cooler Temperature Differential (Air-Cooled Radiator)
Inlet Tube
Heavy Duty Air Filter
Filter Element
Standard Duty Air Filter
Belt Drive
Checking Belt Tension
Belt Tension 5VX Belts
Maintenance Schedule
Service Check List
Troubleshooting
Compressor Fails to Start
Compressor Starts but Stops after a Short Time
Compressor Does Not Unload (or Load)
Excessive Oil Consumption
Compressor Is Low on Delivery and Pressure
High Discharge Air Temperature
Compressor Cycles from Load to Unload Excessively
Oil Carry-Over
"Change Separator" Light (Flashing or on Steadily) on Startup
"Change Separator" Light (Flashing or on Steadily) While Running
"Motor Oveload" Shutdown
"Change Oil Filter" Light on
"Motor Overload" Shutdown (Relay Not Tripped)
"EQ4", Emergency Stop will Not Clear
Erroneous Pressure Reading
Oil Leak at the Bottom of the Seal Housing
Fuse on Board Blows
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Table of Contents
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Control Schematic
3
Definitions of Error Messages
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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
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