Honeywell HON 512, User And Maintenance Manual

Page: 110 / 208

Maintenance
HON 512 with HON 650 pilot user manual 110
Figure Step Description
18 Lightly coat the thread surfaces with
threadlocker.
Put the cap in place.
Tighten the cap while using an open-end
wrench to hold the diaphragm plate in
place so as to prevent the components
from turning.
Observe the tightening torque information
provided in the table before this section.
19 Remove the assembly aid (2) from the
valve body.
Screw the assembly aid (2) into the new
valve insert (1).
20 Position the valve body (1) as shown.
Turn the valve insert (2) in such a way that
the dowel pin will engage the intended
hole on the valve body (1) and the nozzle
opening is pointing upwards.
Insert the valve insert (2) as far as it will go
into the connecting piece (1).
21 Remove the assembly aid.
22 To align the cross hole of the connecting
piece correctly with the valve insert:
Use the cap to turn the diaphragm by hand
clockwise until it will not rotate any further.
Use a marker or pen to mark the position
on the body and on the convoluted dia-
phragm.