Agilent Technologies 6850 Series II User Information page 115

8.
Mark stamped in
rotor
Gap in index ring
Port 4
Figure 21. Top of rotor aligned towards port 4
9.
10. If disconnected, reconnect the plumbing and check for leaks.
Carrier in
Sample loop
Sample in
Sample out
Figure 22. Gas sampling valve plumbing
11. Reinstall the actuator assembly.
12. Align the rotor as described in
Released: March 2004
Install the new rotor from the bottom so that the letter stamped in the top
of the rotor is nearest port 4 (pointing towards the gap in the index ring).
See Figure 21.
Place the index pin cap over the valve, then screw the preload assembly
onto the bottom of the valve until tight.
shows a typical gas sampling valve installation for reference.
OFF
(Load position)
6850 Series II GC User Information
To column
OFF (CCW) stop
"Aligning the rotor" on page
Routine Maintenance: General
Maintaining a sampling valve (rotary type)
ON (CW) stop
ON
(Inject position)
110.
Rotor
Valve body
Figure 22
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