Edwards A373-30-940

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A373-10-880 Issue R

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Table of Contents3
Introduction7
Scope and Definitions7
ATEX Directive Implications8
The E2M28/E2M30 Pump9
Description10
Gas-Ballast10
Technical Data11
Operating and Storage Conditions11
Performance11
Mechanical Data12
Lubrication Data12
Electrical Data13
Installation15
Safety15
System Design15
Unpack and Inspect16
Locate the Pump16
Fill the Pump with Oil17
Electrical Installation: Single-Phase Motors17
Introduction17
Standard Single-Phase Motors18
Amphenol Version Single-Phase Motors18
110/200-240 V 50 Hz or 115-120/200-230 V 60 Hz Single-Phase Motors18
Electrical Supply Connection: Single-Phase Motors: 220-240 V 50 Hz and 230-240 V 60 Hz19
Electrical Supply Connection: Single-Phase Motors: 100 V 50 Hz, 100-105 V 60 Hz and 115 V 60 Hz19
Electrical Supply Connection, Single-Phase Motors: 200 V 50 Hz, 200-210 V 60 Hz and 230 V 60 Hz20
Electrical Supply Connection, Single-Phase Motors with Amphenol Connector21
220-240 V 50 Hz and 230-240 V 60 Hz21
Electrical Installation: Three-Phase Motors22
Connect the Electrical Supply to the Motor22
Motor Voltage Selection: Single-Phase Motors, 110/200-240 V 50 Hz and 115-120/200-240 V 60 Hz22
Check the Direction of Rotation23
Connect the Pump Inlet23
Connect the Pump Outlet24
Gas-Ballast Inlet Connection24
Leak Test the System24
Operation25
ATEX Directive Implications25
Introduction25
Flammable/Pyrophoric Materials25
Gas Purges26
Gas-Ballast Control26
Start-Up27
To Achieve Ultimate Vacuum27
To Pump Condensable Vapours28
To Decontaminate the Oil28
Unattended Operation28
Shut-Down28
Maintenance29
Safety Information29
Maintenance Plan29
Check the Oil-Level30
Replace the Oil30
Inspect and Clean the Inlet-Filter31
Remove/Replace the Inlet Filter31
Clean the Gas-Ballast Filter32
Clean the Motor Fan-Cover and Enclosure32
Clean and Overhaul the Pump32
Remove/Replace the Gas-Ballast Filter32
Replace the Run Capacitor and Test the Motor33
Fit New Blades33
Fault Finding33
Introduction33
The Pump Has Failed to Start33
The Pump Fail to Achieve Specified Performance (Failure to Reach Ultimate Vacuum)34
The Pump Is Noisy34
The Pump Surface Temperature Is above 100°C34
The Vacuum Is Not Maintained after the Pump Is Switched off35
The Pumping Speed Is Poor35
There Is an External Oil Leak35
Storage and Disposal37
Storage37
Disposal37
Service, Spares and Accessories39
Introduction39
Service39
Spares39
Capacitor Selection Table40
Accessories41
Introduction41
Inlet Catchpot41
Inlet Dust Filter41
Inlet Desiccant Trap41
Inlet Chemical Trap41
Outlet Mist Filter41
Solenoid Operated Pipeline Valve43
Foreline Trap43
Vibration Isolators43
Oil Drain Extension43
Pump Inlet Adaptor43
Flexible Bellows43
Pump Outlet Adaptor43
Gas Ballast Banjo/Elbow Assembly43
Gas Ballast Valve43
PFPE-Prepared EM Pumps45
Introduction45
Installation45
Operation45
Maintenance45

Edwards A373-30-940

Table of Contents

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