Yokogawa digitalYEWFLO (DY) - Manual (Page 73)

MAINTENANCE
IM 1F2B4-01-YIA
Page 77
Figure 4.3.1: Disassembling and Reassembling the Vortex Shedder Assembly
Caution: When the shedder assembly is disassembled, the gasket must be replaced with a new gasket.
4.3.2 Removal of the shedder from integral type
1) Remove the converter cover.
2) Remove the amplifier. Refer to section 4.2.2 for directions.
3) Loosen the two terminal screws to disconnect sensor wires (A & B).
4) Remove the bracket mounting bolts and remove the terminal box and bracket
simultaneously. Carefully remove the terminal box by first straightening the sensor wires. To
avoid damaging the wires, squeeze the wires as you slide the terminal out.
5) Remove the vortex shedder assembly mounting bolts then remove the assembly. Check for
buildup around the shedder bar holes and inside the meter.
6) When reassembling the vortex shedder bar assembly, reverse the above procedure making
sure the arrow on the plate is aligned with the flow on the meter body.