Honeywell HON 5020 User And Maintenance Manual page 54

Gas pressure regulator with hon 630 pilot
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HON 5020 gas pressure regulator with HON 630 pilot
Figure
Step
Description
2
Unscrew the 4 screws (3) between the load
limiting stage (1) and the base plate (2) and
remove the load limiting stage.
3
Replace the 7 O-rings (1) and the O-ring (2)
over the washer (3) with new, greased
ones.
4
Turn the base plate over.
5
Replace the 4 sealing rings (1) with new,
greased ones.
Lubricate the thread surfaces before
screwing the fittings back in.
6
Remove the cap from the amplifying valve.
Maintenance
54

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