Table Of Contents - Adash 4900 Vibrio Ex User Manual

ADASH Ltd.
Contents
Why perform vibration diagnostics.................................................................................... 5
Why A4900 - Vibrio M?........................................................................................................ 6
The instrument memory...................................................................................................... 7
Two instrument versions ................................................................................................... 7
Upgrade to advanced version ........................................................................................... 7
Off-Route measurement ................................................................................................... 7
Route measurements........................................................................................................ 7
Vibration Diagnostics - Basic Information......................................................................... 8
Introduction....................................................................................................................... 8
Basic Rules....................................................................................................................... 8
Machine and bearing condition diagnostics....................................................................... 9
Methods for ball bearing condition diagnostics.................................................................. 9
The relation between gears and ball bearings................................................................... 9
Fault Source Identification and Diagnostics Tool..............................................................10
Measurement Points ........................................................................................................10
The preparation of the measurement point ......................................................................11
Listening to Vibrations Using Headphones.......................................................................12
Relationship of Measuring in Acceleration and Speed .....................................................12
Abbreviations used in the guide .......................................................................................12
What Will You Get with Your Instrument ..........................................................................13
Instrument and accessories .............................................................................................13
Before You Start .................................................................................................................14
Standards for vibration measurements ............................................................................15
Adash Limit Values of Machine and Bearing Vibrations ...................................................16
ISO 10816 limit values .....................................................................................................17
Classification according to machine type, nominal power or shaft height.................................. 17
ISO Groups 1-4 classifications define the following types of machinery:................................... 17
Classification according to foundation ........................................................................................ 17
Evaluation ranges ....................................................................................................................... 17
Classification of vibration values for machines groups 1 and 3 ................................................. 18
Classification of vibration values for machines groups 2 and 4 ................................................. 18
Values setting in A4900 - Vibrio M unit.............................................................................18
Quick Start ..........................................................................................................................19
Preparation of Measurement Point...................................................................................19
Putting in Batteries...........................................................................................................19
Plugging in Vibration Sensor............................................................................................20
Connectors - top panel.....................................................................................................21
Vibration Measurements ..................................................................................................22
Temperature measurement..............................................................................................22
Automatic detection of the machine speed.......................................................................23
Evaluation of the machine and bearing conditions ...........................................................23
Fault Source Identification and Diagnostics Tool..............................................................23
The Stroboscope .............................................................................................................24
The Torch ........................................................................................................................24
Using of headphones .......................................................................................................25
Instrument Operation .........................................................................................................26
Switching on and off.........................................................................................................26
Stand by mode.................................................................................................................27
Information line ................................................................................................................27
Further technical and contact information can be found at www.adash.com
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Adash 4900 - Vibrio M