4
Operation ...................................................................................................................... 4-1
Start the Tester .............................................................................................................. 4-3
Machine Setup ............................................................................................................... 4-5
RPM Entry ................................................................................................................. 4-8
Coupling Information ................................................................................................. 4-8
Driven Component..................................................................................................... 4-11
Pump .................................................................................................................... 4-11
Fan ....................................................................................................................... 4-12
Compressor .......................................................................................................... 4-13
Blower................................................................................................................... 4-14
Spindle.................................................................................................................. 4-14
Transmission Component.......................................................................................... 4-14
Gearbox ................................................................................................................ 4-14
Belt Drive .............................................................................................................. 4-17
Before You Measure ...................................................................................................... 4-24
Sensor Orientation..................................................................................................... 4-26
Sensor Mounting ....................................................................................................... 4-27
How to Measure Vibration .............................................................................................. 4-29
How to Diagnose ............................................................................................................ 4-38
Fault Types................................................................................................................ 4-38
iii
Contents (continued)