Ametek 241CE II User Manual page 60

After all piping and electrical connections have been made, and with the ana-
lyzer powered down:
1. Close the Sample Line isolation valve at the process pipe. Close the Vent
2. Slowly open the isolation valve at the process pipe to introduce gas into
3. Partially dial in the pressure regulator. Open it enough to allow gas to fill
4. Allow the pressure within the sample system and the Measuring Cell to
5. If a gas leak is detected, perform the appropriate repair procedures and
6. Close all doors and covers and secure them with their screws.
7. Power up the analyzer and open the Vent Line isolation valve(s), or remove
8. Open the Sample Line isolation valve(s).
9. Adjust the pressure regulator to achieve proper flow rates as described
The procedure is complete.
2-36 | 241CE II Hydrocarbon Dewpoint Analyzer
Line isolation valve at the vent location (or cap the Vent Line).
Before applying any pressure to the sample system (from the process),
visually and physically check all plumbing connections.
the sample system.
If other isolation valves are included within the sample system, slowly
open them, too.
the sample system.
equilibrate to line pressure (approximately 2 minutes).
While the sample system is pressurized, check each fitting and connection
in the sample system for leaks using a detergent-based leak detector (e.g.
Snoop ® ).
retest the fittings until all leaks have been eliminated.
The torque needed to fasten M10 screws on the Enclosure is 9.0 Nm,
±0.7 Nm (80 in.-lb, ±9 in.-lb).
the cap.
under "Adjusting the Sample Gas Flow Rate. "
PN 903-8797, Rev A