Honeywell HON 673 - Page 58

Maintenance
HON 380 gas pressure regulator with HON 673/674 controller 58
Figure Step Description
5 Remove the diaphragm housing
cover (1).
6 Take out the following parts:
 Axial needle roller bearing (1)
 Spring mandrel (2)
Unscrew the nut (3) and take out the
following parts:
 Washer (4)
 Diaphragm plate (5)
 Diaphragm (6)
 Check piece (7)
7 Replace the O-ring (1) with a new, lu-
bricated O-ring.
8 Unscrew the screws (1) and remove
the diaphragm housing pot (3). Take
note of the gaskets (2) while doing so.
9 Turn the component 180°.