Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
74
Figure
Step
Description
6
Unscrew the hex nut (1) while using an
open-end wrench to hold the pressure
piece in place so as to prevent the com-
ponents from turning.
7
Remove the pressure piece (1), the dia-
phragm (2), and the diaphragm plate (3).
8
Unscrew the diaphragm housing’s screws
(1). Remove the screws and the bonded
seals (2).
9
Hold the valve body (2) in place and lift the
diaphragm housing off (1).
10
Unscrew the upper connecting piece (1)
while using an open-end wrench to hold
the diaphragm plate (2) in place so as to
prevent the components from turning.
