Honeywell HON 5020 User And Maintenance Manual page 70

HON 5020 gas pressure regulator with HON 630 pilot
Figure Step Description
29 Take the spring housing. Replace the O-ring
(1) at the top of the spring housing with a
new, greased O-ring.
30 Insert the unit consisting of the valve body
and the metal bellows back into the spring
housing.
31 Lubricate the thread surfaces. Tighten the
screws (1), including the corresponding
washers, from the underside of the spring
housing. Observe the tightening torque
information provided in the table before
this section.
32 Lubricate the upper spring plate's depres-
sions (2).
Reinsert the upper spring plate (2) and the
compression spring (1) into the spring
housing in the right order and alignment.
33 Lubricate the lower spring plate's depres-
sions (1).
Reinsert the axial needle roller bearing (3),
the axial washers (2), and the lower spring
plate (1) into the spring housing from the
bottom in the right order and alignment.
Maintenance
70