Honeywell HON 673 User Manual

Maintenance
HON 380 gas pressure regulator with HON 673/674 controller 63
Figure Step Description
2 Tighten the screws (1) with the lock-
ing washers (2) in a criss-cross se-
quence. Tightening torque: 20 Nm
3 Reinstall all the pipes you removed
previously on the monitoring device.
 Measuring line (1)
 Vent line (2)
Depending on what you want to do next, proceed as indicated in the relevant sec-
tion:
 Completing the maintenance (see page 63)
8.10 Completing the maintenance
When conducting work involving the pipework, please always observe the follow-
ing:
Figure Description
Do not twist the pipe connections in the assem-
blies.
Use a second spanner wrench for securing
when loosening and tightening pipe joints.
Proceed as follows:
Checking the system for leaks (see page 31)
Next task
Protecting the pipe
connections from be-
ing twisted
Next task

Honeywell HON 673 Specifications

General

Brand	Honeywell
Model	HON 673
Category	Controller
Language	English