Honeywell HON 512 User And Maintenance Manual page 122

HON 512 with HON 650 pilot user manual
Figure Step Description
38 Take the diaphragm cover. Replace the
O-ring (1) with a new, greased O-ring.
39 Put the diaphragm cover back in place.
40 Replace the O-ring (1) with a new, greased
O-ring.
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.
Maintenance
122