Gardner Denver EAH99C

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13-9-663 Page 3

Indicates a hazard with a medium level of risk which, if not avoided, COULD

result in death or

serious injury.

Asphyxiation Hazard – Poisonous Fumes or Toxic Gases in Compressed Air

Indicates a hazard with a low level of risk which, if not avoided, MAY

result in a minor or

moderate injury.

Burn Hazard – Hot surface

PROHIBITION/MANDATORY ACTION REQUIREMENTS

Do not Operate Compressor with Guard

Removed

Do Not Lift Equipment with Hook – No Lift Point

Handle Package at Forklift Points Only

Lockout Electrical Equipment in De-Energized

State

Loud Noise Hazard – Wear Ear Protection

Read the Operator’s Manual Before Proceeding

with Task

Main Page

Maintain Compressor Reliability and Performance with Genuine Gardner Denver Compressor Parts and Support Services2
Instructions for Ordering Repair Parts/Remanufactured Airends2
Warning - Prohibition - Mandatory Label Information3
Safety Precautions5
Table of Contents6
Index7
List of Illustrations9
Section 1, General Information10
Figure 1-1 - Compression Cycle10
Figure 1-2 - Starter Box11
Figure 1-3 - Control Box11
Figure 1-4 - Compressor / Motor Side12
Figure 1-5 - Cooler / Reservoir Side12
Figure 1-6 - Air/Oil Flow Diagram13
Section 2, Installation14
Figure 2-1 - Typical Compressor Room15
Figure 2-2 - Air Flow Chart15
Figure 2-3 - Cold Weather Installation17
Figure 2-4 - Inlet Line Lengths18
Figure 2-5 - Heat Exchanger (Oil Cooler) Approximate Water Flow19
Figure 2-6 - Aftercooler Approximate Water Flow20
Figure 2-7 - Series Piping21
Figure 2-8 - Parallel Piping21
Section 3, Starting & Operating Procedures24
Section 4, Controls & Instrumentation27
Figure 4-1 - Schematic Tubing Diagram28
Figure 4-2 - Blowdown Valve29
Figure 4-3 - Minimum Discharge Pressure/Check Valve29
Figure 4-4 - Inlet Valve30
Figure 4-5 - Shuttle Valve31
Figure 4-6 - Turn Valve - Electra-Saver Only32
Figure 4-7 - Control Schematic - Compressor Unloaded - Constant Speed Mode35
Figure 4-8 - Control Schematic - Compressor at Full Load - Constant Speed Mode36
Figure 4-9 - Control Schematic - Compressor Unloaded - Low Demand Mode or Auto Mode37
Figure 4-10 - Control Schematic - Compressor at Full Load38
Figure 4-11 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch off39
Figure 4-12 - Control Schematic - Compressor Fully Loaded - Low Demand Mode Switch on40
Figure 4-13 - Wiring Diagram - Wye Delta41
Figure 4-14 - Wiring Diagram - Full Voltage42
Figure 4-15 - Wiring Diagram - Wye Delta43
Figure 4-16 - Wiring Diagram - Full Voltage44
Section 5, Lubrication, Oil Cooler, Oil Filter & Separator45
Figure 5-1 - Dew Point Chart °F47
Figure 5-2 - Dew Point Chart °C47
Figure 5-3 - Flow Diagram - Air/Oil System48
Figure 5-4 - Oil Flow Diagram - Remote Overhead Mounted Cooler49
Figure 5-5 - Cooler Drain Detail50
Figure 5-6 - Oil Level Gauge53
Figure 5-7 - Oil Change Interval54
Figure 5-8 - Approximate Oil System Capacities55
Figure 5-9 - Thermostatic Mixing Valve Element57
Figure 5-10 - Water Control Valve58
Figure 5-11 - Dew Point Temperature Vs. Ambient Temperature59
Figure 5-12 - Oil Separator60
Section 6, Air Filter64
Figure 6-1 - Heavy Duty Air Filter64
Section 7, Coupling66
Figure 7-1 - Installation of Coupling Cushions66
Section 8, Maintenance Schedule69
Section 9, Troubleshooting71

Gardner Denver EAH99C - Page 4

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