Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
75
Figure
Step
Description
11
Remove the piston.
12
Remove the diaphragm plate (1) and the
diaphragm (2).
13
Remove the valve body from the spring
housing.
Screw the assembly aid (1) into the valve
insert (2).
14
Hold on to the connecting piece (1) and
pull out the valve insert (2).
Remove the connecting piece.
15
Replace the valve insert with a new one.
Insert a new, greased O-ring (1).