Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
62
Figure
Step
Description
26
Place the spring on the cap.
27
Lubricate the thread surfaces.
Check to make sure that the diaphragm
marking is still in the center position (see
step 22).
Put the cover (2) in place.
Tighten the screws (1) hand-tight at first.
28
Loosen the base plate screws and remove
the base plate.
Important!
While removing the base plate,
parts on the inside may fall out from the
spring housing by accident!
29
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.
30
Replace the base plate gasket with a new,
greased one.