Thermo Finnigan LCQ Deca XP Plus, Руководство по оборудованию

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4-17
Go on to the next topic: Reassembling the APCI Probe Assembly.
Reassembling the APCI Probe Assembly
To reassemble the APCI probe assembly, proceed as follows:
1. Gently screw the vaporizer casing back into the APCI manifold.
2. Gently screw the probe collar onto the APCI manifold.
3. Reinstall the heater coil and quartz insulator into the vaporizer casing.
4. Use a Phillips screwdriver to reattach the green electrical ground wire to
the APCI manifold. The green ground wire has deliberately been made
longer than absolutely necessary, and you should coil the wire to obtain
proper fit. Make sure that the flat side of the connector is against the
APCI manifold.
5. Reinstall the heater retainer and secure it with the socket-head screw.
Figure 4-3. Proper position of the exit end of the APCI sample tube
Note. Once the APCI sample tube has been cut to the proper length, you can
remove the APCI manifold and accurately measure and record how far the
sample tube extends past the end of the APCI manifold. In the future,
sample tube replacement does not require complete disassembly of the APCI
probe; just install the fused silica tubing in the APCI manifold and cut it to
the proper length.
APCI
Nozzle
Exit-End of
Sample Tube
1 mm