Maintenance
HON 512 with HON 650 pilot user manual
107
Figure
Step
Description
3
Unscrew the fitting (1) on the upper cover.
Replace the sealing ring (2) with a new,
greased sealing ring.
Lubricate the thread surfaces.
Screw the fitting (1) back in.
4
Remove the spring from the cap.
5
Unscrew the cap (1) while using an
open-end wrench to hold the
diaphragm plate (2) in place so as to
prevent the components from
turning.
Replace the O-ring (3) in the cap with a
new, greased O-ring.
6
Remove the pistons from the
connecting piece.
7
Remove the diaphragm disc (1) and the
diaphragm (2).
Summary of Contents for HON 512
Page 185: ...Appendix HON 512 with HON 650 pilot user manual 185 X Fail to open version Y Amplifying valve ...
Page 205: ...Appendix HON 512 with HON 650 pilot user manual 205 ...
Page 206: ...Appendix HON 512 with HON 650 pilot user manual 206 ...
Page 207: ...Appendix HON 512 with HON 650 pilot user manual 207 ...
