Honeywell HON 670 Component Documentation, Maintenance Manual And Spare Parts page 34

Assembling the controller
HON 670 / HON 671 Controllers Component Documentation
Proceed as follows:
Figure Step Description
1 To align the diaphragm plate correctly:
Turn the diaphragm plate all the way to the
right.
Mark this position.
2 Turn the diaphragm plate all the way to the
left.
Mark this position.
3 Turn the diaphragm plate to the central
position between the two marks.
The diaphragm plate is now aligned
correctly.
4 Put the metal bellows (1) with the base
plate (2) in place.
5 Put the lower cover (2) in place. Tighten
the 4 screws (1) of the lower cover only
finger tight.
Maintenance
34