Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
55
Figure
Step
Description
7
Unscrew the amplifying valve and remove
it.
8
Loosen the spindle (1) and pull it out
towards the back.
9
Replace the O-ring (1) with a new, greased
O-ring.
10
Take the spindle. Replace the O-ring (1)
and the retaining ring (2) with new,
greased ones.
11
Lubricate the thread surfaces.
Slide the spindle into the sleeve and screw
in the spindle all the way to the position
shown. The notch on the spindle should be
flush with the sleeve’s front edge.