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Allweiler
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CNH-M Series
Allweiler CNH-M Series - User Manual
52 pages
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Centrifugal
Pump
with
Vo
l
u
t
e
C
a
s
i
n
g
Original
Operating
Manual
CNH-M
series
V
ersion
BA-2010.03
Print-No.
550
267
VM-No.
460.0019
GB
ALL
WEILER
AG
•
Werk
Radolfzell
Postfach
1
140
Allweilerstr.
1
78301
Radolfzell
Germany
Phone:
+49
(0)
77
32-86-0
Fax:
+49
(0)
7732-8
6-436
E-mail:
service@allweiler
.de
Internet:
http://www
.allweiler
.com
We
reserve
the
right
to
make
t
echnical
changes.
2
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
ATEX Plate (Example)
2
1 About this Document
5
Target Groups
5
Other Applicable Documents
5
Target Groups and Their Duties
5
Other Applicable Documents and Their Purpose
5
Warnings and Symbols
6
Technical Terms
6
Warnings and Consequences of Disregarding Them
6
Symbols and Their Meaning
6
Technical Terms and Their Meaning
6
2 Safety
7
Intended Use
7
General Safety Instructions
7
Product Safety
7
Obligations of the Operating Company
8
Obligations of Personnel
8
SpecifiC Hazards
8
Explosion-Hazard Area
8
Hazardous Pumped Liquids
8
Magnetic Field
8
3 Layout and Function
9
Label
9
Type Plate
9
ATEX Plate
9
Pump Type Code
9
Design Characteristics
9
Layout
10
Bearing Bracket
10
Auxiliary Operating Systems
11
Heating
11
4 Transport, Storage and Disposal
12
Transport
12
Unpacking and Inspection on Delivery
12
Lifting
12
Treatment for Storage
13
Storage
13
Removing Preservative
14
Disposal
14
5 Setup and Connection
15
Preparing the Setup
15
Checking the Ambient Conditions
15
Preparing the Installation Site
15
Preparing the Foundation and Surface
15
Removing Preservative
15
Installing Heat Insulation (Optional)
15
Installation on a Foundation
16
Placing the Pump Unit on the Foundation
16
Fastening the Pump Unit
17
Setup Without Foundation
17
Installing the Motor
18
Planning the Piping
18
Specifying Supports and Flange Connections
18
Specifying Nominal Diameters
18
Specifying Pipe Lengths
18
Optimizing Cross-Section and Direction Changesv
18
Discharging Leaks
18
Providing Safety and Control Devices (Recommended)
19
Connecting the Pipes
19
Keeping the Piping Clean
19
Installing Auxiliary Piping
19
Installing the Suction Pipe
19
Installing the Pressure Pipe
19
Inspection for Stress-Free Pipe Connections
20
Inspecting the Support Foot for Distortion
20
Electrical Connection
20
Connecting the Motor
20
Checking the Sense of Rotation
20
Aligning the Coupling Precisely
21
Aligning the Motor
22
Aligning the Motor with Sets of Shims
22
Aligning the Motor with Adjusting Screws
22
5.10 Installing the Coupling Guard
22
6 Operation
23
Preparations for the Initial Start-Up
23
Identifying the Pump Type
23
Removing Preservative
23
Lubricating the Bearings
23
Preparing Auxiliary Systems (if Available)
24
Filling and Bleeding
24
Start-Up
24
Switching on
24
Switching off
25
Shutting down the Pump
25
Start-Up Following a Shutdown Period
26
Operating the Stand-By Pump
26
Measures to be Taken if the Pump Is Shut down
26
Measures Depending on the Behavior of the Pumped Liquid
26
Measures to be Taken after Prolonged Shutdown Periods
26
7 Maintenance
27
Inspections
27
Maintenance
28
Antifriction Bearings Lubricated with
28
Grease
28
Antifriction Bearings Lubricated with Oil
28
Cleaning the Pump
28
Dismounting
29
Returning the Pump to the Manufacturer
30
Preparations for Dismounting
30
Measures for Return
30
Installing
31
Ordering Spare Parts
31
8 Troubleshooting
32
Tab
32
Malfunction/Number Assignment
32
Troubleshooting List
34
9 Appendix
35
Sectional Drawings
35
Auxiliary Connections
35
Part Numbers and Designations
35
Tab
35
Connection Designation Abbreviations
35
Designation of Components According to Part Numbers
36
Overview Sectional Drawing
37
Bearing Bracket
38
And Second Bearing Brackets
39
Bearing Bracket
40
Coupling Guard
42
Technical Specifications
43
Ambient Conditions
43
Parameters for Auxiliary Systems
43
Sound Pressure Levels
43
Operating Parameters for Heating Chamber
43
Tightening Torques
44
Lubricants
44
Preservatives
44
Cleaning Agents
44
Tab
44
(Recommended)
44
Minimum Oil Lubrication Quantities
44
Valvoline Preservatives
44
Height Offset for Motor Alignment with Adjusting Screw
45
Height Setting at the Adjusting Screw
45
Flange Loads According to ISO 5199
46
Flange Loads
46
Spare Parts for Two Years of Continuous Operation According to DIN 24296
47
Temperature
47
Tab
48
Spare Parts for Two Years of Continuous Operation
48
Safety Certificate
49
Declaration of Conformity According to EC Machine Directives
50
GB – 550 267 BA-2010.03 CNH-M Series
51
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Allweiler CNH-M Series Specifications
General
Brand
Allweiler
Model
CNH-M Series
Category
Water Pump
Language
English
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