Honeywell HON R100NG Series User And Maintenance Manual page 47

Protecting the pipe con‐
nections from being
twisted
Removing components
User manual for HON R100 gas pressure regulator with HON P095NG pilot
When conducting work involving the pipework, please always observe the following:
Figure
If ...
You want to perform maintenance on the pilot
only,
You want to perform maintenance on the actua‐
tor assembly only,
You want to perform maintenance on both the
actuator assembly and the pilot,
If ...
You are performing maintenance on an actuator
assembly with a nominal size of up to 3"
You are performing maintenance on an actuator
assembly with a nominal size of 4" or more
Description
Do not twist the pipe connections in the assemblies.
Use a second spanner wrench for securing when
loosening and tightening pipe joints.
then ...
 The discharging line and the vent line on the
pilot need to be uninstalled.
 The pilot needs to be removed from the
actuator assembly.
 The actuator assembly, including the pipes, can
remain in the gas regulating line.
 The motorization line between the pilot and
the actuator assembly needs to be uninstalled.
 The pilot needs to be removed from the
actuator assembly.
 To determine whether the actuator assembly
can be left in the gas regulating line during
maintenance, please refer to the following
table.
 The discharging line and the vent line on the
pilot need to be uninstalled.
 The motorization line between the pilot and
the actuator assembly needs to be uninstalled.
 The pilot needs to be removed from the
actuator assembly.
 To determine whether the actuator assembly
can be left in the regulating line during
maintenance, please refer to the following
table.
then ...
The actuator assembly can remain in the line
during maintenance.
The actuator assembly must be removed from the
line and disassembled for maintenance, as the
individual components are heavy starting from
this size.
Maintenance
47