Cleaning the 500 Series Flow Sensor
1. Turn OFF the liquid flow in your flow circuit
and remove the 500 Series sensor from
your system. Place the sensor on a clean
surface.
Remove the faceplate from the sensor body
using a face-spanner wrench.
3. Remove the faceplate from the flow meter.
4. Remove the rotor and stainless steel shaft
from the flow cavity.
Remove the O-ring from the faceplate
5. Using a soft cloth dampened with water, alcohol or a light detergent solution, clean debris and dirt
from the rotor, the stainless steel shaft, the inside surfaces of faceplate and the surfaces of the flow
cavity
6. Inspect the bearing surface of the rotor. If the bearing surface is worn or not round, replace the rotor.
Inspect the stainless steel shaft. If the shaft shows signs of scoring or other wear, replace the shaft.
500TRM-002
Page 19 of 22
March 2007
