FVP 110 Fieldbus Valve Positioner Manual
70
GE Energy
Replacing the Screen Filters
When the screen filters installed deep in the air supply port and output pneumatic signal
port become clogged, replace them with new filters using a tool with pointed tips such as
a set of tweezers (Figure 42).
Figure 42 Replacing the Screen Filters
Replacing the Internal Air Filter
To replace the air filter at the opening to the internal pneumatic circuits (Figure 43).
1. Decrease the air supply pressure to zero.
2. Remove the relay assembly (see “Replacing the Control Relay Assembly” on
page 69).
3. Remove the pneumatic circuit holding plate and gasket. There are two gaskets for
Double Acting Type.
4. Remove the air filter and O-ring.
5. Set the new filter in place.
6. Perform steps 3, then 2 to restore the FVP110.
Figure 43 Replacing the Internal Air Filter
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