Watson-Marlow 501RLA User Manual page 34

Rotor
•
Open the hand lever to provide access to the collet screw. Using a flat blade screwdriver loosen
the collet screw and pull out the rotor assembly, revealing the drive shaft
•
Fit the collet onto the drive shaft rotating the collet to ensure that the drive dog is correctly located
•
Push on the rotor, fit and tighten the screw to a torque of 3Nm to prevent the collet from slipping
during operation and close the hand lever
Test the conductivity of the earth bonding between a metal point on
the rotor assembly and the drive casework. The value must be <1MΩ
PB0346:m-501atex-en-03 32