Specifications

54 YORK INTERNATIONAL

VIBRATION ANALYSIS

Vibration analysis performed at yearly intervals is a useful

diagnostic 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. 32 is provided to prop-

erly locate the transducer measurement points. Locat-

SPECTRAL ALARM BANDS FOR 4/6 LOBE TWIN SCREW CHILLERS

MALE

INLET

MALE

OUTLET

FEMALE

INLET

FEMALE

OUTLET

COMPRESSOR

(BOTTOM)

MOTOR

DRIVE

END

MOTOR

OUTBOARD

END

HORIZONTAL

VERTICAL

AXIS

LD04382

LD04381

FIG. 32 – TRANSDUCER MEASUREMENT POINTS

ing 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 (14,280 CPM) at 60 HZ and

198 HZ (11,880 CPM) at 50 HZ operation.

Maintenance