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nES Series
Edwards nES Series User Manual
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Cause
Oil sight glass loose
Remedy
Tighten.
F
ault
The expect
ed process vacuum lev
el is not reached
Cause
T
oo high-pressure drop be
tween process and pump inlet
Remedy
Check the process lines f
or the correct siz
e and leaks and corr
ect if necessary
.
Cause
Clogged air inlet
lter
elemen
t
Remedy
Replace the
lt
er
.
Cause
The pump cannot reach s
tated v
acuum
Remedy
Re
fer to
The pump c
annot reach stated vacuum
on pag
e 43.
07/2020 - Pag
e 45
A35104880_B - F
ault
nding
48
50
Table of Contents
Default Chapter
7
Table of Contents
7
1 Safety and Compliance
10
Definition of Warnings and Cautions
10
Safety Symbols
10
General Precautions
11
Safety Precautions During Installation
12
Safety Precautions During Operation
13
Safety Precautions During Maintenance or Repair
14
2 Description
16
General Description
16
Airflow
16
Oil Flow
16
3 Technical Data
17
References Conditions and Limitations
17
Pump Data
18
Pumping Performance Curves
19
Figure 1 Nes40 Pumping Performance Curve
19
Figure 2 Nes65 Pumping Performance Curve
20
Figure 3 Nes100 Pumping Performance Curve
20
Figure 4 Nes200 Pumping Performance Curve
21
Figure 5 Nes300 Pumping Performance Curve
21
Figure 6 Nes300S Pumping Performance Curve
22
Figure 7 Nes470 Pumping Performance Curve
22
Figure 8 Nes570 Pumping Performance Curve
23
Figure 9 Nes630 Pumping Performance Curve
23
Motor Data
24
Figure 10 Nes750 Pumping Performance Curve
24
Materials of Construction
25
4 Installation
26
Dimension Drawings
26
Figure 11 Nes40 Dimensions
26
Figure 12 Nes65 Dimensions
26
Figure 13 Nes100 Dimensions
27
Figure 14 Nes200 Dimensions
27
Figure 15 Nes300 Dimensions
28
Figure 16 Nes300S Dimensions
28
Figure 17 Nes470 Dimensions
29
Figure 18 Nes570 Dimensions
30
Figure 19 Nes630 Dimensions
31
Installation Guidelines
32
Figure 20 Nes750 Dimensions
32
Electrical Connections
34
Pictographs
35
Figure 21 Electrical Connections
35
Figure 22 Pictographs
35
5 Operation
36
Initial Start-Up
36
Start the Pump
37
During Operation
37
Stop the Pump
37
Taking out of Operation
38
6 Maintenance
39
Preventive Maintenance Schedule
39
Oil Specifications
40
Service Kits
41
7 Adjustments and Servicing Procedures
42
Drive Motor
42
Exhaust Filter Replacement
42
Oil and Oil Filter Change
44
Oil Change Procedure
44
Oil Type Change
44
Cleaning Radiator, Motor Fan Guard and Pump
45
Replacing V - Belts
45
V-Belt Tensioning
45
How to Use the V-Belt Tension Meter
45
Figure 23 Belt Tensioning
46
8 Fault Finding
47
9 Storage
50
10 Disposal
51
Recycle the Pump
51
Recycle Oil
51
Figure 24 Components for Recycling
53
11 Return the Equipment or Components for Service
54
4
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Edwards nES Series Specifications
General
Brand
Edwards
Model
nES Series
Category
Water Pump
Language
English
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