Maintenance 
 
HON 380 gas pressure regulator with HON 673/674 controller    46 
 
Figure  Step  Description 
2  Unscrew the screws (2) and remove 
the locking washers (1) to separate 
the controller from the body. 
3  Remove the controller from the body. 
 
Depending on what you want to do next, proceed as indicated in the relevant sec-
tion: 
  Perform maintenance on the controller; see component documentation 
  Installing the controller (see page 62)