Azbil 100 Series User Manual

5-3
5-2. Filter replacement and restriction maintenance
The contamination from the instrumentation air that collects in the restriction in the SVP
can be removed during maintenance. For the instrumentation air, use dry air which has been
cleaned of 3 μm (or smaller) solid particles. Always use a Phillips screwdriver.
Procedure
Step No. Procedure
1 Cut off the air supply to the SVP.
2
Remove the setscrews from the A/M switch nameplate section.
Note) Be careful not to drop the A/M switch cover plate washers and corrugated
washers when removing the screws.
3 Turn the A/M switch to the MAN (manual) position.
4
Use nippers or another tool to cut the holder and remove the old filter.
Note) Dispose of the old holder and filter appropriately.
5
Use wire to remove the contamination from the restriction. (diameter
0.3 mm)
Note) Be careful not to damage the restriction when removing the
contamination. Do not use an air gun. Do not allow any oils or greases to
contaminate the restriction.
6
Wrap a new filter around the A/M switch, and press it in place with the
holder.
7 Screw down the A/M switch until it stops.
8
Reassemble the A/M switch section name plate together with the A/M switch
cover plate using the setscrews.
A/M switch
O-ring
Plate
Setscrew
Fig. 5-4. A/M switch

Azbil 100 Series Specifications

General

Brand	Azbil
Model	100 Series
Category	Valve Positioners
Language	English