SPX APV DELTA SDU4, Operating Manual, Page: 20 / 39

15
Double Seal Change-Over Valves
Delta SDU 4
Operating Manual Rev. 1
10. Service Instructions
VIII. Proximity switch holder (valve design without control unit)
If the valve is equipped with a proximity switch holder, the following
steps have to be observed during the dismantling of the valve:
a. Remove pneumatic air lines.
b. Take the proximity switches off the holder.
c. Dismantle the valve from the line system.
(see service instructions 10.I.a., c.-f.)
d. Release and remove the proximity switch holder.
The O-ring seal can be replaced.
e. Release the operating cam by holding against the centering disk.
Remove the centering disk.
f. Assembly see chapter 10.II.a., d.-i.
(Installation is done in reverse order.)
operating
cam
proximity switch holder
centering
disk
UK