Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
81
Figure
Step
Description
41
Lubricate the thread surfaces.
Screw the screw-in fitting back in.
42
Lubricate the thread surfaces.
Tighten the screws (1) in a criss-cross
sequence. Observe the tightening torque
information provided in the table before
this section.
43
Loosen the base plate screws. Remove the
base plate.
Important!
While removing the base plate,
parts on the inside may fall out from the
spring housing by accident!
44
Remove the lower spring plate (3), the
compression spring (2), and the upper
spring plate (1) from the spring housing.
Lubricate the spring plates’ depressions
and reinsert the parts into the spring
housing in the right order and alignment.
45
Replace the O-ring with a new, greased
O-ring.