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Flygt 2125
Xylem Flygt 2125 User Manual
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4.
Put the oil screw back and tighten it.
Tightening torque: 10–40 Nm (7.4–30 ft-lbs)
Replace the impeller
Remove the impeller
WARNING:
A worn impeller and/or pump housing can have very sharp edges. Wear protective gloves.
1.
Lay the pump on its side.
2.
Remove the items in the illustrations:
a)
Remove the nuts and the strainer.
WS001310A
b)
Remove the nuts and the suction cover.
Maintenance
30
Flygt 2125 Installation, Operation, and Maintenance Manual
31
33
Table of Contents
Table of Contents
3
Introduction and Safety
5
Introduction
5
Safety Terminology and Symbols
5
Product Warranty
6
Spare Parts
7
Safety
7
User Safety
7
Hazardous Liquids
8
Wash the Skin and Eyes
8
Ex-Approved Products
8
Guidelines for Compliance
9
Permitted Liquid Level for ATEX
9
Monitoring Equipment
9
MSHA Requirements
9
Environmental Safety
10
Transportation and Storage
11
Inspect the Delivery
11
Inspect the Package
11
Inspect the Unit
11
Transportation Guidelines
11
Precautions
11
Position and Fastening
11
Lifting
11
Temperature Ranges for Transportation, Handling and Storage
11
Handling at Freezing Temperature
11
Unit in As-Delivered Condition
12
Lifting the Unit out of Liquid
12
Storage Guidelines
12
Storage Location
12
Long-Term Storage
12
Product Description
13
Products Included
13
Pump Design
13
Monitoring Equipment
14
The Data Plate
14
The Ex Approval Plate
15
The MSHA Approval Plate
16
Product Denomination
16
Installation
17
Install the Pump
17
Sedimentation Prevention
17
Discharge Line Requirements
17
Fasteners
18
Install with S-Installation
18
Make the Electrical Connections
19
General Precautions
19
Requirements
19
Cables
20
Earthing (Grounding)
20
Earth (Ground) Conductor Length
20
Connect the Motor Cable to the Pump
20
Cable Charts
21
Connection Locations
21
Color Code Standard
22
View of Terminal Board and Sensor Connections
23
Motor Cable, Stator Leads and Thermal Contacts Connection to Terminal Board
24
Check the Impeller Rotation
25
Operation
26
Precautions
26
Distance to Wet Areas
26
Noise Level
26
Start the Pump
26
Clean the Pump
27
Maintenance
28
Precautions
28
Maintenance Guidelines
28
Torque Values
28
Service
29
Inspection
29
Major Overhaul
31
Change the Oil
31
Empty the Oil
31
Fill with Oil
31
Replace the Impeller
32
Remove the Impeller
32
Install the Impeller
34
Troubleshooting
36
Introduction
36
The Pump Does Not Start
36
The Pump Does Not Stop When a Level Sensor Is Used
37
The Pump Starts-Stops-Starts in Rapid Sequence
37
The Pump Runs but the Motor Protection Trips
38
The Pump Delivers too Little or no Water
38
Technical Reference
40
Application Limits
40
Motor Data
40
Specific Motor Data
40
Dimensions and Weights
44
Performance Curves
48
4
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Xylem Flygt 2125 Specifications
General
Brand
Xylem
Model
Flygt 2125
Category
Water Pump
Language
English
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