HON 380 gas pressure regulator with HON 673/674 controller
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°.
Maintenance
58