Operation Manual

8-7
IM 1F5B2-01E
8. MAINTENANCE
8.3.3 Replacing the Sensor Assembly
(1) Removing the Sensor Assembly
NOTE
Sensor assemblies can be replaced only if your ULTRA YEWFLO is a flange model.
• When removing the sensor assembly to replace it, follow the procedure described
below.
<1> Remove the amplifier unit according to the procedure in Subsection 8.3.2. (Refer
to Subsection 8.3.1 to remove an amplifier unit of ULTRA YEWFLO that has an
indicator/totalizer component.)
<2> Unplug the terminal pin at the tip of the sensor assembly from the terminal board.
<3> Loosen the clamp screw at the neck of the case.
<4> Remove the screws on the bracket that couples the sensor assembly with the body.
Remove the bracket together with the converter case.
<5> Remove the bracket that couples the case with the body.
<6> Remove the four screws on the plate that mounts the sensor assembly on the body.
<7> Remove the sensor assembly from the body, while exercising care to avoid forcibly
bending the assembly.
Bracket <5>
Bracket <4>
<6>Plate
Sensor assembly <7>
Terminal pin <2>
Figure 8.3-3 Removing the Sensor Assembly