Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
67
Figure
Step
Description
14
Remove the diaphragm plate (1) and the
diaphragm (2).
15
Screw the assembly aid into the valve
insert.
16
Pull out the valve insert.
17
Replace the valve insert with a new one.
Insert a new, greased O-ring (1).
18
Align the valve body as shown.
Insert the assembly aid, with the milled
surface facing upward towards the piston
opening, into the valve body.