45
FORM 160.47-NOM3
YORK INTERNATIONAL
3
VIBRATION ANALYSIS
Vibration analysis performed at regular intervals is a
useful diagnostic tool that can detect internal damage to
rotating machinery and component parts. This service
should be performed by a skilled technician trained in
the use and operation of the equipment. Fig. 26 is pro-
vided to properly locate the transducer measurement
points. Locating the transducers at these locations will
enable the data to be analyzed against a large database
of sound and vibration data.
Note the natural or pumping frequency of the York YS
compressor is 238 HZ at 60 HZ and 198 HZ at 50 HZ.
SPECTRAL ALARM BANDS FOR 4/6 LOBE TWIN SCREW CHILLERS
(YS___S0 through S5 YORK Screw Chillers)
MALE
INLET
MALE
OUTLET
FEMALE
INLET
FEMALE
OUTLET
COMPRESSOR
(BOTTOM)
MOTOR
MOTOR
DRIVE
END
MOTOR
OUTBOARD
END
HORIZONTAL
VERTICAL
AXIS
LD04382
LD04381
FIG. 26 – TRANSDUCER MEASUREMENT POINTS
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