Maintenance
HON 512 with HON 650 pilot user manual
112
Figure
Step
Description
28
Loosen the base plate screws and remove
the base plate.
Important!
While removing the base plate,
parts on the inside may fall out from the
spring housing by accident!
29
Remove the lower spring plate (3), the
compression spring (2), and the upper
spring plate (1) from the spring housing.
Lubricate the spring plates’ depressions
and reinsert the parts into the spring
housing in the right order and alignment.
30
Replace the base plate gasket with a new,
greased one.
31
Lubricate the thread surfaces.
Put the base plate back in place.
Tighten the screws in a criss-cross se-
quence. Observe the tightening torque
information provided in the table before
this section.
32
Unscrew the adjusting screw (2) and
remove it from the base plate.
Clean and lubricate the adjusting screw.
33
Replace the hex flange nut (1) with a new
one.
Lubricate the thread surfaces.
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 ...
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