Honeywell HON 512 User And Maintenance Manual page 111

HON 512 with HON 650 pilot user manual
Figure Step Description
23 Use the cap to turn the diaphragm by hand
counterclockwise until it will not rotate any
further. Use a marker or pen to mark the
position on the body.
24 Use the cap to turn the diaphragm by hand
so that the marking on the diaphragm is
right between the two markings on the
body.
25 Place the valve body on the spring housing.
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.
Maintenance
111