Wilo EMU FA Series - Page 45

79 pages

To Next Page

To Previous Page

Maintenance

E:\shares\Baprod\BA\subtec_m\sewage\us\fkt27\maintenance.fm 7-9

Fig. 7-3: Changing the impeller - version 1

Pump housing (2)

Hex nut (1)

Cylinder screw (3)

Impeller (4)

Sealing housing (5)

Main Page

Table of Contents3
Illustrations7
Manufacturer's Address9
Rights of Alteration9
Safety11
Instructions and Safety Information11
Guidelines Used and CE Certification12
General Safety12
Electrical Work12
Electrical Connection13
Ground Connection13
Operating Procedure13
Safety and Control Devices13
Operation in an Explosive Atmosphere14
Sound Pressure14
Pumped Fluids14
Warranty15
Product Description17
Proper Use and Fields of Application17
Conditions of Use17
Construction17
Type Designation20
Cooling20
Name Plate21
Technical Data21
Transport and Storage25
Delivery25
Transport25
Storage25
Returning to the Supplier26
Installation27
General Information27
Installation Types27
The Operating Area27
Assembly Accessories27
Dry-Run Protection32
Removal32
Startup33
Preparatory Measures33
Electrical System33
Direction of Rotation34
Motor Protection and Activation Types34
After Starting35
Maintenance37
Lubricants38
Maintenance Intervals39
Maintenance Tasks40
Sealing Chamber41
Repairs44
Torque Values46
Shutdown49
Temporary Shutdown49
Final Shutdown / Storage49
Restarting after an Extended Period of Storage49
Troubleshooting51
Fault: the Machine will Not Start51
Fault: the Motor Starts, but the Motor Protection Switch Triggers Shortly after Start-Up51
Fault: Machine Runs but Does Not Pump52
Fault: the Machine Runs, but Not at the Stated Operating Levels52
Fault: the Machine Does Not Run Smoothly and Is Noisy53
Fault: Mechanical Shaft Seal Leaks, Sealing Chamber Monitor Reports Fault and Switches the Machine off53
Further Steps for Troubleshooting54
A List of Machine Operators and Maintenance55
List of Machine Operators55
Assembly Sheet for the Anchor Bolts59
General Product Information59
Scope of Proper Use59
Transport and Storage59
Setting the Anchor Bolts59
Operation with a Static Frequency Converter65
Selecting the Motor and Converter65
Minimum Speed for Submersible Pumps65
(Well Pumps65
Minimum Speed for Waste Water and Sewage Pumps65
Operation65
Max. Voltage Peaks and Rise Speed65
Emc66
Motor Protection66
Operation up to 60 Hz66
Efficiency66
Summary66
E Ceram C0 Data Sheet67
General Information67
Description67
Composition67
Properties67
Technical Data67
Resistance68
Surface Preparation69
Material Preparation69
Application Instructions69
Coating Layers and Material Requirements69
Repeat Coating Intervals / Subsequent Coating69
Hardening Time69
Material Needed70
Working Steps70
Cleaning Tools70
Storage70
Safety Precautions70
F Notes on Unloading Large Units71
Data Sheet - Electrical Connection73
Safety Notes73
Insulation Resistance73
Monitoring Equipment73
Wire Designation of the Connection Lead74
HEC Declaration of Conformity77

Wilo EMU FA Series - Page 45

Table of Contents

Related product manuals