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Routine Maintenance . 61
1.
The tubing is connected to the instrument by a universal pipe fitting which is secured to
the tubing with a nut. Two sets of fittings are supplied with the instrument. Assemble
the fittings to the tubing as illustrated in Figure 29.
Figure 29 Purge fittings
2.
Tighten the nut, ensuring it is not over tightened.
3.
Push the connector on the end of the tubing into the purge connector of the
compartment to be purged (Figure 30).
If the connector will not push in, press the clip at the bottom of the port and try again.
Figure 30 Connector fitted to purge port
4.
Connect the free end of the tubing to the gas regulator.
NOTE:
Ensure the regulator is set to a pressure not greater than 6.9 kPa (1 lbf/in
2
).
5.
Open the gas flow valve on the regulator until a flow rate of 28 l/minute (1 ft
3
/minute)
is achieved.
The instrument compartment is purged in 10 minutes. The sample compartment is
purged in 2 minutes.
6.
Once purging is complete turn off the gas supply.
Instrument purge
Sample purge
Beveled end of
connector
Knurled nut
Tubing
Summary of Contents for Frontier FT-IR
Page 1: ...FRONTIER IR SINGLE RANGE SYSTEMS User s Guide MOLECULAR SPECTROSCOPY ...
Page 5: ...Introduction ...
Page 10: ...10 Frontier IR Single range Spectrometers User s Guide ...
Page 11: ...Warnings and Safety Information ...
Page 23: ...An Overview of the Frontier IR Single Range Spectrometers ...
Page 32: ...32 Frontier IR Single range Spectrometers User s Guide ...
Page 33: ...Unpacking and Installation ...
Page 43: ...Using the Spectrometer with Spectrum ...
Page 49: ...Using the Spectrometer with Spectrum 49 Figure 20 Atmospheric suppression ...
Page 53: ...Routine Maintenance ...
Page 68: ...68 Frontier IR Single range Spectrometers User s Guide ...
Page 69: ...Advanced Maintenance ...
Page 88: ...88 Frontier IR Single range Spectrometers User s Guide ...
Page 89: ...Appendices ...
Page 100: ...100 Frontier IR Single range Spectrometers User s Guide ...