Honeywell HON 512 User And Maintenance Manual page 104

HON 512 with HON 650 pilot user manual
Figure Step Description
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.
Replace the 4 sealing rings (1) with new,
greased ones.
Lubricate the thread surfaces before
screwing the fittings back in.
5 Remove the cap from the amplifying valve.
6 Unscrew the amplifying valve and remove
it.
7 Loosen the spindle (1) and pull it out
towards the back.
Maintenance
104