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Agilent Technologies QuickSwap G3185B, Installation And Setup

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Agilent Technologies QuickSwap G3185B Installation And Setup Download Page 37

Overview

QuickSwap Installation and Startup

37

17.  Retune the MSD

After correcting all leaks, Autotune the MSD again. The air and water levels 
will be lower than before.

18.  Run Samples

You have now:

•

Installed a restrictor

•

Installed QuickSwap

•

Checked for leaks

•

Pumped down the MSD

•

Set a number of QuickSwap conditions

The next step is to run the QuickSwap method loaded in 

step 6

 to verify 

system performance. 

Summary of Contents for QuickSwap G3185B

Page 1: ...Agilent Technologies Agilent G3185B QuickSwap Accessory Installation and Setup...

Page 2: ...merchantability and fitness for a par ticular purpose Agilent shall not be liable for errors or for incidental or consequential damages in connec tion with the furnishing use or per formance of this...

Page 3: ...ickSwap Tubing to the Purge Gas Tubing 23 5 Turn on the MSD and Begin Pumpdown 23 6 Start the MSD ChemStation and Load a Checkout Method 23 7 Set and Apply the Purge Gas Pressure 24 8 Confirm that the...

Page 4: ...following for more information The User CD Contains this manual the Reference Manual two flow calculation utilities QuickSwap adapted versions of the MSD checkout methods in both loadable and printabl...

Page 5: ...t 1 QuickSwap User Information CD 1 Union 1 16 inch to 1 8 inch 1 QuickSwap supplies and spares kit containing 1 Capillary column cutter pkg of 4 1 SilTite metal ferrules 0 4 mm id for 250 m columns p...

Page 6: ...t the QuickSwap installation 6850 Series II GC To install the purge gas line 1 Cool the GC oven and turn the power off 2 If necessary mount the G3349B Auxiliary EPC on the back of the GC using the ins...

Page 7: ...into the external hole and into the oven Feed enough tubing through the hole so that you can install a fitting on the end 8 Remove the cap or foil and install the 1 8 inch to 1 16 inch reducing union...

Page 8: ...he pneumatics cover and the RFI cover 3 If necessary install the G1570A Auxiliary EPC into the GC using the instructions provided with the kit 4 Confirm that Channel 5 of the EPC has an output restric...

Page 9: ...nt of the EPC module then along the back of the oven top toward the hole in the valve box blank WARNING The insulation around the oven is made of refractory ceramic fibers To avoid inhaling fiber part...

Page 10: ...and into the GC oven 11 Feed the tubing down through the hole and into the oven 12 Re install the covers 13 Remove the protective cap from the end of the tubing and attach the reducing union from the...

Page 11: ...Rate and Handshake settings used to communicate with the GC 3 Exit the MSD ChemStation program if open 4 Install or update the GC firmware update utility from the QuickSwap User information CD ROM Fro...

Page 12: ...uxiliary EPC Controller Firmware 7 Under Devices select either 6890 or 6850 GC depending on you GC MSD system See Figure 3 Figure 3 Example connections 6850 with LAN top and 6890 with RS 232 bottom Se...

Page 13: ...232 connection select the Comm Port Baud Rate and handshaking to match the GC and PC settings 9 Select whether you want the software to save the configuration for future use enter a connection name if...

Page 14: ...onstants into the auxiliary EPC module 12 Restart the instrument when prompted Firmware update is now complete and the auxiliary EPC module is ready for use with QuickSwap Should you ever wish to use...

Page 15: ...oice Restrictor change If you find that your methods require a different restrictor size you must vent the MSD make the change and then pumpdown This takes time so it pays to explore the available par...

Page 16: ...eps needed to install the QuickSwap accessory Detailed descriptions of each step follow the list 1 Confirm that the GC and the MSD are ready to accept QuickSwap a Both instruments are installed and pe...

Page 17: ...e 3 Attach QuickSwap to the MSD transfer line 4 Connect the QuickSwap tubing to the purge gas tubing 5 Turn on the MSD and begin pumpdown 6 Start the MSD ChemStation and load a checkout method 7 Set a...

Page 18: ...6850 procedure is similar but requires the hand held controller a From the front panel select OPTIONS b Select CALIBRATION c Select AUX PRESSURE d Select AUX CHANNEL ZERO e Press ON to zero the senso...

Page 19: ...Restrictor 1 Install the lock nut on the end of the MSD transfer line Figure 6 with the threads facing the MSD Run it down until it touches the transfer line stops turning Do not tighten it 2 Restrict...

Page 20: ...hown in Figure 7 Fitting 1 is plumbed for purge gas The other two are used to connect to the MSD transfer line and the column CAUTION Restrictors are not labeled individually because of their size and...

Page 21: ...ly more familiar Follow the tightening instructions very carefully CAUTION The restrictors go inside the MSD transfer line and are under high vacuum when the MSD is pumped down To ensure minimal conta...

Page 22: ...er line Normal installation takes about three full turns If QuickSwap seems to stop after only one to one and a half turns this usually means that the restrictor QuickSwap is cross threaded not straig...

Page 23: ...Pumpdown The complete pumpdown cycle takes time See your particular MSD documentation for details By starting pumpdown at this step of the installation pumpdown can happen while QuickSwap installation...

Page 24: ...the QuickSwap User Information CD ROM for that method and set the pressure accordingly If you are not using a supplied checkout method we suggest a purge gas pressure of 4 0 psig as a starting point...

Page 25: ...r 100 to 250 m id columns 1 Remove any existing fitting from the end of the column 2 Trim any suspected contaminated or degraded part of the column CAUTION SilTite ferrules are soft metal These ferrul...

Page 26: ...eyond the ferrule Thread the swaging nut onto the internal nut with the column protruding Figure 11 Table 2 Available metal ferrule and nut packages Part number Ferrule description Quantity Column id...

Page 27: ...cutter against the column Hold it at a 45 degree angle and slide it down to touch the small end face of the ferrule Figure 12 Score the column then break off the end It should break off with a small...

Page 28: ...ld provide an air tight and leak free seal through many removals and re installations 11 Configure the Column See your MSD ChemStation manuals for the details The tasks to be performed are a Define th...

Page 29: ...ow mode Unless you plan to backflush the column see the Reference Manual or use Retention Time Locking we recommend using the Constant Flow mode It allows you to choose the desired flow rate and the G...

Page 30: ...p tubing as well as the column to QuickSwap connection An electronic helium leak detector is recommended Tighten fittings to correct any leaks and retest before continuing 15 When MSD Pumpdown is Fini...

Page 31: ...appear rise then fall the fitting under test is leaking Freon 134a refrigerant is available in an aerosol can under various names Quick Freeze Dust Off etc This example uses Quick Freeze available fro...

Page 32: ...est procedure for CI sources on page 35 1 From the Instrument Control screen select Instrument then Edit Tune Parameters This brings up the Manual Tune screen Figure 13 2 Select the PFTBA field Move t...

Page 33: ...click in any other field to enter new values 7 Select Scan to begin a continuous scan at these masses The scan in Figure 13 shows air background immediately after pumpdown Examine the m z 28 and 32 p...

Page 34: ...process until the fittings are leak free 9 Test the other fittings in the same way After determining that the system is leak free hold QuickSwap to prevent rotation and tighten the lock nut firmly aga...

Page 35: ...strument Control screen select View Tune and Vacuum Control 3 Verify a PCI method is loaded or select File Load Tune Values and select the PCI tune file pcich4 u 4 If the current tune file is not rece...

Page 36: ...6 The manual tune dialog should appear If not appear select Parameters Manual Tune 7 Verify that the PFDTD is Closed See Figure 16 8 Follow steps 3 9 in Final leak test procedure for EI sources on pag...

Page 37: ...the MSD again The air and water levels will be lower than before 18 Run Samples You have now Installed a restrictor Installed QuickSwap Checked for leaks Pumped down the MSD Set a number of QuickSwap...

Page 38: ...38 QuickSwap Installation and Startup Overview...

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