Honeywell HON 5020 User And Maintenance Manual page 71

HON 5020 gas pressure regulator with HON 630 pilot
Figure Step Description
34 Replace the O-ring (1) at the bottom of the
spring housing with a new, greased O-ring.
35 Lubricate the thread surfaces.
Put the lower cover back in place.
Tighten the screws in a criss-cross se-
quence. Observe the tightening torque
information provided in the table before
this section.
36 Turn the spring housing. Place the spring
back on the cap.
37 Lubricate the thread surfaces.
Check to make sure that the diaphragm
marking is still in the center position (see
step 27).
Place the upper cover back in place.
Tighten the screws hand-tight at first.
38 Unscrew the adjusting screw (2) and
remove it from the base plate.
Clean and lubricate the adjusting screw.
39 Replace the hex flange nut (1) with a new
one.
Lubricate the thread surfaces.
Maintenance
71