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EH250FX
Edwards EH250FX User Manual
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A301-05-880 I
ssue A
Page 2
© Edwards Lim
ited 201
4. All ri
ghts re
served.
Edwards and the Edward
s logo a
re trademarks of Edwards Limited.
Introduction
Figure 1 - All EH250FX an
d EH500FX pump variants
1.
T
erminal bo
x
2.
Shaft seal reservoir vented oil filler pl
ug
3.
Hydrokinetic drive
/gearbox oil fi
ller plug
4.
Inlet flange
5.
External evacuation point
6.
End cover
7.
R
otors
8.
Stator housing
9.
Hydrokine
tic drive/gearbox oil drain p
lug (under the pump)
10.
Direction of rota
tion sight gl
ass
11.
Oil level sight glass (h
ydrokinetic drive/gearbox)
12.
Oil level sight glass (shaft seal reservoir)
7
9
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
7
Scope and Definitions
7
Description
7
Overview
7
All EH250FX and EH500FX Pump Variants
8
All EH1200FX, EH2600 and EH4200 Pump Variants
9
General Construction
10
Principle of Operation
10
Hydrokinetic Drive
10
Chemical & ATEX Pumps
10
Technical Data
11
Operating and Storage Conditions
11
Performance
11
Recommended Primary (Backing) Pumps
12
Mechanical Data
12
Electrical Data
13
Lubrication Data
13
Hydrokinetic Drive/Gearbox Nitrogen Supply
13
Cooling Water Data
14
Noise and Vibration Data
14
Connections
14
Materials of Construction of Components Exposed to Pumped Gases
15
Azide Compatibility
15
Item Numbers
15
EH250/EH250FX Dimensions (MM)
16
EH500/EH500FX Dimensions (MM)
17
EH1200/EH1200FX Dimensions (MM)
18
EH2600/EH2600FX Dimensions (MM)
19
EH4200/EH4200FX Dimensions (MM)
20
Installation
21
Safety
21
System Requirements
21
Unpack and Inspect
22
Fill the Pump with Oil
23
Hydrokinetic Drive/Gearbox
23
Shaft Seal Reservoir
23
Gear Cover (All EH1200, EH2600 and EH4200 Model Pumps Only)
24
Sight Glasses
24
Cooling Water Connections (All EH1200, EH2600 and EH4200 Pumps Only)
25
Electrical Connections
25
Electrical Supply Configuration
25
Motor Connections
25
Check the Direction of Pump Rotation
26
Connect the Pump Inlet and Outlet
27
External Evacuation of Hydrokinetic Drive/Gearbox (Optional)
28
Flange Loading Limits
28
Operation
29
Operational Safety
29
Start-Up Procedure
29
Pre-Start Checks
29
Start-Up
29
Shutdown
30
Maintenance
31
Safety Information
31
Maintenance Plan
32
Check the Oil Levels
32
Inspect the Pump Connections
32
Change the Pump Oil
33
Lubricate the Rear Bearing (All EH250FX and EH500FX Model Pumps Only)
34
Overhaul the Pump
35
Lubricate the Rear Bearing (EH250FX, EH500 and EH500FX Pumps Only)
35
Storage and Disposal
37
Storage
37
Disposal
37
Service and Spares
39
Introduction
39
Service
39
Spares
39
EH1200 Spare Parts
40
4
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Edwards EH250FX Specifications
General
Brand
Edwards
Model
EH250FX
Category
Water Pump
Language
English
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