Honeywell HON 512 User And Maintenance Manual page 132

HON 512 with HON 650 pilot user manual
Figure Step Description
33 Lubricate the lower spring plate's depres-
sions (1).
Reinsert the axial needle roller bearing (3),
the axial washers (2), and the lower spring
plate (1) into the spring housing from the
bottom in the right order and alignment.
34 Replace the O-ring (1) at the bottom of the
spring housing with a new, greased O-ring.
35 Lubricate the thread surfaces.
Put the lower cover back in place.
Tighten the screws in a criss-cross se-
quence. Observe the tightening torque
information provided in the table before
this section.
36 Turn the spring housing. Place the spring
back on the cap.
37 Lubricate the thread surfaces.
Check to make sure that the diaphragm
marking is still in the center position (see
step 27).
Place the upper cover back in place.
Tighten the screws hand-tight at first.
Maintenance
132