Alfa Laval S 821 - Starting Power and Time Issues

143
7 FAULT FINDING 7.1 MECHANICAL FUNCTIONS
7.1.6 Starting power too high
7.1.7 Starting power too low
7.1.8 Starting time too long
Cause Corrective action
Incorrect transmission parts (60 Hz belt pulley for
50
Hz power supply).
Wrong direction of rotation. Change electrical phase connections to the motor.
Cause Corrective action
Incorrect transmission parts (50 Hz belt pulley for
60
Hz power supply).
Friction blocks are oily or worn. Clean or renew friction blocks.
Motor failure. Repair the motor.
Cause Corrective action
Friction blocks are oily or worn. Renew or clean friction blocks.
Height position of paring disc is incorrect. Stop, check and adjust the height.
Motor failure. Repair the motor.
Bearing(s) damaged or worn. Renew all bearings.
W
A
R
N
I
N
G
!
Stop and change the belt transmission to
suit the power supply frequency.
W
A
R
N
I
N
G
!
Stop and change the belt transmission to
suit the power supply frequency.