Honeywell HON 5020 User And Maintenance Manual page 79

HON 5020 gas pressure regulator with HON 630 pilot
Figure Step Description
31 Place the valve body on the spring housing.
32
Replace the O-ring (1) with a new, greased
O-ring.
33
Hold the valve body (2) in place and put
the diaphragm housing (1) back in place.
34
Replace the bonded seals (2) with new
ones.
Lubricate the thread surfaces.
Tighten the diaphragm housing's screws
(1) in a criss-cross sequence. Observe the
tightening torque information provided in
the table before this section.
35 Replace the diaphragm (2) with a new one.
Put the diaphragm plate (3), the new
diaphragm (2), and the pressure piece (1)
back in place.
Maintenance
79