Field Service Manual CIS4
Contents
1. Injection Volume 1 5ul Flow Mode Constant flow b Explain what the CIS4 is doing during a run cycle It helps the customer to understand the operation of the system if it is visibly performing during the explanation c Print out a copy of the completed method and a chromatogram produced using it Leave one copy at the customer site Make a copy of the method and chromatogram to be placed in the customer file at Gerstel Inc d Do injections in other modes to illustrate the differences if necessary 3 3 Essential points Column length into inlet The manual contains a diagram showing the 17mm length and how to set it Instruct the customer to use the CIS4 to crimp the ferrule to the column and then adjust the ferrule to the proper setting Graphpack ferrules Describe the way GP ferrules are made and why they are used sealing power of graphite temperature stability etc Modes of operation It is a good idea to go through all modes as described in the overview section above but Solvent Venting should be explained thoroughly be cause it is new to most users Use the HP Chemstation software to illustrate how different areas open up as you select different injection modes Insure that the customer knows that it is necessary to set a splitless time to get an actual splitless injection and show how to input a basic set of solvent venting parameters Explain that simply selecting a mode will not necessarily automatically input flows2. System The following is a list of items necessary for installation of the Gerstel CIS4 system Please insure that all the items listed below are available at the time of installation Also please complete the instrument configu ration questionnaire below and fax it to the Gerstel service department at 410 247 5887 2 m 2 a 2 1 available power outlet Liquid nitrogen LN2 dewar 22psi 1 8 and 1 16 Swagelok fittings and ferrules Necessary bench space 1 2 feet of bench space for Gerstel con troller Appropriate environmental conditions no excessive heat or mois ture in area no corrosive or toxic materials in area 1 2 Instrument Configuration Questionnaire GC Model Peripheral systems purge and trap headspace valves etc Computer and operating system Available comm ports Detectors front rear other Inlets front rear Auxiliary heaters used MSD FPD etc CIS 4 Cooled Injection System Field Service Manual 5 2 Installation Guide 2 1 CIS 4 Installation Checklist 2 1 1 Installation 2 Verify of completeness of kit Manual OCIS Controller Handheld Q Pneumatic tubing cable etc LI accessories LI Power supply LI Remote Start cable 2 Leak test 2 Manual pneumatic 20 kPa 30 min 2 CIS 4 EPC 0 05 psi min 2 Configuration of controller LIfuses LIBoards LINV parameters LI Test method chromatogram LU Familiarization a Manual Field Service Manual 6 CIS 4 Cooled
3. slot cover from back panel Install board a Insure the 24V plug connects to the main board properly connecting to pins 1 2 3 4 or 5 6 NOT 2 3 4 5 b Affix transistor with insulation to front panel Configure controller to reflect new board with service remote control Change main board Prepare for service Remove fan Remove all circuit boards TDS MCS CTS etc F Remove 4 screws on the back of controller CIS 4 Cooled Injection System Field Service Manual 27 6 Unplug power supply 7 Unscrew main board with 10 screws 8 Slide the board carefully to the right side be mindful of 2 LEDs 9 Install new board in reverse order Field Service Manual 28 CIS 4 Cooled Injection System 5 2 9 General description of main board Power supply connector Fuse Elkos for 5V E oe 7 MENEL t M lus mein LII 24V power connector z Control i Ep LED for different voltages Eprom Eeprom Temp with FWg control circuit Board slots CIS 4 Cooled Injection System Field Service Manual 29 6 Appendices 6 1 Part numbers Field Service Manual 30 6 1 1 Main parts Controller C505 GC 05845 01 Handheld GC 08458 40 Firmware f C505 Eprom amp Floppy GC 06720 01 C 505 with Handheld CIS 3 GC 06720 04 C 505 with Handheld CIS 4 GC 06720 52 Upgrade C504 auf C505 CIS 3 GC 03089 64 SLH ES 09792 99 Exchange CIS 3 GC 06724 00 Injection chamber CIS 3 GC 06671 90 Exter
4. this or several slits can be made with a keyhole saw 4 Remount the black inlet chassis and then re install any existing GC inlet in the rear position 5 Install the CIS4 insulation block and then mount the CIS4 6 Slip the CIS4 plug through the metal frame adjacent to the inlet chassis and rout the cable to the back of the GC 7 Mount the CIS4 pneumatics into the back of the GC Remove screw Back inlet Front inlet 8 Run the 3 steel lines to the side of the instrument and connect the top 2 lines carrier and septum purge together using the Swagelok T provided CIS 4 Cooled Injection System Field Service Manual 9 9 Connect the open port of the Swagelok T to the septumless head SLH of the CIS4 Use a coil around the SLH to provide additional steel tubing Preumatic System Module Note If the customer is present during this process it may be helpful to describe what is being done and the fact that it can create a leak in an MSD system when using the splitless mode If a Gerstel TDS module is to be installed also install the 7mm spacers to raise the inlet at this time 10 Connect the split line of the pneumatics to the split outlet of the CIS4 11 Run the cryo tubing In CIS4 only systems it is best to route the cryo tubing in the side panel of the GC compression of the foam insulation is necessary 12 Remount all panels removed in step 1 and reconnect the MSD if applicable Field
5. 4 Cooled Injection System 3 SN lt 7403 0200 a Exchange old Eprom versus new Eprom use right tool or b Change main board with Flash eprom SN from Controller required 4 SN 7403 0200 7403 0499 a Upgrade the Eprom to a Flash eprom SN from Controller required not guaranteed or b Change main board with Flash eprom SN from Controller required 5 SN gt 7403 0500 a Use the FW update program i mr J a a n mk CIS 4 Cooled Injection System Field Service Manual 25 5 2 6 Firmware Update Software Close Master Software Go to C Gerstel Firmware and open Update exe Choose the correct com port for the controller Choose the appropriate Firmware use the pull down menu Press the Update button a Program will first read and erase the old firmware b Program then installs the new firmware visible in Upload Information window 6 After successful update close Firmware update SW and restart Master 7 f update fails a try again or b a main board change is necessary Gr I E GERSTEL Controller Firmware Update Version 0 2 E r Settings Function Select Communication Port COM1 M File MASA39B H Update Firmware r Upload Information Bytes e Errors e transferred 1 bps oo Close Field Service Manual 26 CIS 4 Cooled Injection System 5 2 7 ND Circuit board installation Prepare for service Remove the necessary
6. Calibration t Assure that the controller is powered off t Unplug CIS cable t Plug the calibration adapter in the CIS port of the controller t Turn controller power on t When the controller starts heating or cooling press On Off to stop tempering t Make sure that the calibration adapter switch is in position 1 t Temperature reading at the handheld remote of controller should be 0 C 1 t Switch to position 3 and take the second reading Temperature reading at the handheld remote of controller should be 350 C 1 t f the temperature readings differ significant from the default settings ask customer if this setting can be recalibrated t f customer agrees Turn controller power off Disconnect customer handheld remote Connect the service handheld remote Turn controller power on Press second service button Follow indicated instructions CIS 4 Cooled Injection System Field Service Manual 21 5 1 8 Update the Controller Firmware ts f necessary upgrade controller with the latest firmware ver sion Discuss any firmware upgrade first with the customer If he is under obligation to perform an OQ PV test after every software upgrade the customer may not wish to upgrade the firmware at this point of time 5 1 9 Test Run t A qualitative chemical test sample is run after installation to verify proper performance A single injection is made of the inlet detector specific Evaluation Sample The test conditio
7. Gerstel Field Service Manual Cooled Injection System CIS4 CIS 4 Cooled Injection System Field Service Manual 1 Field Service Manual 2 CIS 4 Cooled Injection System Contents list 1 Site Pre ParatlO ie saran A eee aa inn 5 1 1 Gerstel CIS4 SYSTEM us ER RE bees li tee ei pa devas 5 1 2 Instrument Configuration Questionnaire sss 5 2 Installation Guide icone co Ee cto cds ee euer GE ar odd su ue crudus 6 2 1 CIS 4 Installation Checklist ecce 6 Pedal STAR 6 2 2 CIS4 Inst llatlon GUIldG aciei ect FERE rra vast otek Hen p Y eeu di 8 3 CIS4 Training Guide AE asna sanna 11 3 1 System OV T 11 3 2 System Operation si ss re e ka 12 3 3 Essential POINTS ES EE ee ee EE ee e e endet 13 4 Troubleshooting Guide eeeeeeeeeeeeeeeee 15 DAE quo cm T 15 dT QUICK leak test RNS SRA 15 4 1 2 Installation leak test ee rr 15 4 2 Application ISSUOS EE Dip dete ie se gs Ee RE RE ed ae iat 16 4 3 Hardware ISSHes MA AE p t Ge AE 17 5 Maintenance Guide sib Ee DEE UE napa E ee ke ee Deed 18 5 1 Preventative Maintenance Procedure eese 18 5 1 1 Preliminary Observations ase NRS Rn Enter Es ee Ee De 18 5 1 2 Preparation of System ER EE ee ee RR EE EE 18 5 1 3 Introduce the column at least 10 mm into the septum 18 5 1 4 Maintenance of Septumless Head SLH 18 5 1 5 Maintena
8. Injection System Control with handheld Injection modes split splitless solvent vent etc Cleaning SLH Liner change Ooo DU D Column installation CIS 4 Cooled Injection System Field Service Manual 7 2 2 CISA Installation Guide This is an outline of the sequence of events for a typical CIS4 installation It is meant to be a guideline and the actual sequence is up to the indi vidual installer However this sequence has been proven to be effective over the last 4 years and should be followed closely if possible Note If the CIS4 is to be installed on a 5973 system instruct the cus tomer to vent the instrument prior to the beginning of the install This is necessary because the left side panel of the 6890 needs to be removed to install the CIS It will also be helpful to turn off the temperature to any inlets already present in the GC since they will have to be removed during the installation 1 Turn off the GC and remove the necessary panels left side hinged top cover small fan cover rear top plastic panel rear top steel panel rear pneumatic module cover Upper back eover Field Service Manual 8 CIS 4 Cooled Injection System 2 Remove the black plastic inlet chassis out of the GC therefore disconnect the fan and remove any inlet installed in the GC 3 Cutout the section of the front inlet hole that corresponds to the area where the split line exits a S SL port A Dremel tool can be used for
9. Service Manual 10 CIS 4 Cooled Injection System 3 CIS4 Training Guide 3 1 System overview For new operators and those that are not familiar with the system this is a brief overview of the system It is also a good introduction to the familiarization process Explain that the CIS can do everything that a typical s sl inlet will do But it also can do solvent venting injections which allow you to inject more than the standard 1 or 2 ul Explain the 3 main injection types and their pneumatic modes Split injection Single pneumatic mode The inlet is in split before during and after the injection Splitless injection Uses 2 pneumatic modes The inlet is in splitless mode before and during the injection and then switches to the split mode after a specified time Solvent venting injection Uses 3 pneumatic modes The inlet is in the split mode before and during the injection However the inlet tempera ture is lowered to a point where the solvent still has vapor pressure but the analytes do not Once the solvent is vented away through the split vent the inlet switches to the splitless mode to transfer the analytes to the column After about 1 minute when the analytes are vaporized and have been transferred to the column the inlet switches back to split for the remainder of the run Note Because of the small volume of the CIS liner about 1 10 the volume of a typical s sl it is recommended that the inlet be cool for all
10. e both CPU fuses CIS 4 Cooled Injection System Field Service Manual 17 5 Maintenance Guide 5 1 Preventative Maintenance Procedure 5 1 1 IS 5 1 2 IS Preliminary Observations Discuss any problems the customer is having or has observed with the instrument Preparation of System Cool down the system Oven and inlet temperature shall reach nearly room temperature before continuing Turn off all heaters and cooling devices e g Oven Off Cryo Cooling Off Aux Temp MSD Off Inlet Temp Off Shut off CIS inlet pressure Disconnect the column from the inlet and seal the open end of the capillary with a septum Introduce the column at least 10 mm into the septum In case of using a MSD control its vacuum If the pressure raises rapidly vent the system Unscrew the carrier gas line from the inlet and remove the Teflon carrier gas connection ferrule For safety close all coolant reservoir valves Maintenance of Septumless Head SLH Unscrew the SLH from CIS and place it on a clean tissue Take off the SLH cap and remove the needle guide Unscrew the sealing nut from the sampling head and carefully remove the O ring and compression spring Field Service Manual 18 CIS 4 Cooled Injection System t Carefully insert a microliter syringe with 0 64 mm 23 gauge external diameter into the head so that valve plunger and O ring move slightly out of the head t Clean SLH carefully with a non polar solvent
11. e g Benzine Hexane and remove any deposits with a soft brush do not use a sharp object for cleaning Safety Warning Organic Solvents Do not use just any solvent available in a laboratory Consider that solvents like e g Acetone or Ethylacetate can already dissolve the paint Be aware that Benzine is a pure fractionated gasoline do not mix up with Benzene German Benzol which is highly carcinogenic Avoid any solvent especially if the service technician does not know the composition Solvents which are hazardous to your health skin eyes respiration etc or solvents which are highly flammable or even explosive have to be rejected and shall not be used under any circumstances t Exchange plunger spring and O rings t Reassemble the SLH Ensure that the area is totally lint free and that the O rings and compression spring are not dam aged Keep the SLH in a clean environment while maintaining the CIS 5 1 5 Maintenance of CIS 4 t Take out liner t Unscrew the GRAPHPACK adapter and remove the seal t Clean CIS carefully with a non polar solvent e g Benzine Hexane and remove any deposits with a soft brush do not use a sharp object for cleaning t Prepare a new liner with GRAPHPACK ferrule CIS 4 Cooled Injection System Field Service Manual 19 Screw a new GRAPHPACK adapter with new seal at the bottom of the CIS t Build in the new liner t Screw on sampling head t Reconnect carrier gas line u
12. er Potential cause of leak if total flow does not decrease Potential cause of leak if pressure or flow return to Possible solution normal Close the Septum Septum purge reg Exchange EPC purge outlet Defective Disconnect column and install blind plug defective wrong Ferrule Broken column Change ferrule Change column Unsrew carrier line from CIS and close it septum thumb o ring in front of EPC missing t piece in left side GC Check o rings Tight the swageloke connection Connect carrier line with SLH tighten bottom of SLH with thumb SLH plunger blocked Carrier connection is loosen SLH maintenance Install SLH on CIS and disconnect GP Adapter GP Adapter loosen or defective silver seal Exchange seal or GP Adapter Connect carrier gas line with split line Graphpack adapter leaking CIS split line broken Tighten or change adapter Exchange CIS CIS 4 Cooled Injection System Field Service Manual 15 4 2 Application issues Problem Possible Cause Possible Solution Air background in MSD Inlet in splitless mode Leak at carrier gas fitting Leak at SLH o ring Put inlet in either split or solvent vent mode to tune Tighten fitting or replace teflon ferrule Remove and disassemble SLH and clean or replace o ring Poor recovery of analytes Leak in system Leak at teflon needle guide during injection Wrong
13. injections over 1ul to prevent possible back flashing of compounds and con tamination of the septumless head CIS 4 Cooled Injection System Field Service Manual 11 3 2 System Operation a Use the FID check sample or appropriate detector check sample to develop and save a base method that uses all parts of the system See Test and Evaluation section below Save the HP and Gerstel methods as Gerstel m and Gerstel mpg respectively These methods can be used in the future for diagnostic and re training purposes For the CIS this method should be solvent venting although additional split and splitless methods can be developed as well if there is time Here are some guidelines for the method Gerstel Method Parameters CIS Initial Temp Approximately 60 C below BP of solvent used CIS Initial Time 0 05 minutes CIS Ramp Rate 10 C second CIS Final Temp 350 C CIS Final Time 3 minutes HP Method Parameters Injection Mode Solvent Vent splitless Inlet Pressure Optimum for column Total Flow 50 ml minute Vent Flow 50 ml minute Vent Pressure same as inlet pressure Until 0 05 minutes Same as CIS initial time Purge flow to split vent Determined by total flow set above At 1 minute Oven Initial Temp 60 C Oven Initial Time 1 minute Oven Ramp Rate 20 C minute Oven Final Temp 260 C Field Service Manual 12 CIS 4 Cooled Injection System Oven Final Time 1 minute total run time 12 minutes
14. n Cryo On if present GC s GC detector Field Service Manual 36 CIS 4 Cooled Injection System 6 5 Specifications Values Leak rate Manual pneumatic 20 kpa 30 min EPC 6890 6850 0 03 psi min Liner volume CIS 3 93mm 1 4mm 140yl CIS 4 71mm 2 0mm 220yl Min temp 150 C N2 70 C CO2 30 C Peltier at 70 C GC oven Initial temp for CIS 3 150 C to 150 C for CIS 4 150 C to 400 C Heating rate 0 5 12 C sec Finial temp 150 C 450 C Heating wire CIS 3 4 8 Ohm CIS 4 9 6 Ohm Pt 100 110 Ohm at 20 C CIS 4 Cooled Injection System Field Service Manual 37 Notes Field Service Manual 38 CIS 4 Cooled Injection System Notes CIS 4 Cooled Injection System Field Service Manual 39 Field Service Manual 40 CIS 4 Cooled Injection System
15. nal pneumatic GC 03632 50 Internal pneumatic GC 5890 CIS 4 GC 07513 64 SLH GC 08260 00 Pneumatic 6890 ES 11510 00 Exchange injector N2 ES 11511 00 Exchange injector CO2 ES 11512 00 Exchange injector peltier GC 11264 50 Peltier cooling GC 11419 00 Pneumatic tubing GC 07517 90 Injector port bracket black CIS 4 Cooled Injection System 6 1 2 Spare parts Controller Ident no Order no Description GC 08179 00 Backboard f 7403xxxx 7405xxxx GC 08746 00 Backboard w 2 ready E eprom GC 06941 00 Fan GC 09990 33 Fuse 0 4A 6620203210 Fuse 0 8A GC 09990 32 Fuse 1 6A GC 09990 31 Fuse 3 15A GC 09990 34 Fuse 4 0A GC 09990 30 Fuse 6 3A 6620210048 Fuse holder GC 05845 01 Handheld GC 06915 00 Master CIS GC 06747 00 Master MCS GC 09920 00 Master MPS GC 05017 XX RS 232 GC 05823 00 Spiral cable CIS 4 Cooled Injection System Field Service Manual 31 CIS 3 4 Ident no Order no Description GC 02426 10 3D Ferrule 2mm CIS 3 GC 02930 10 Baffled liner CIS 3 GC 05772 00 CO2 cooling CIS 3 GC 07393 03 DI 1 16 CIS 3 GC 04911 50 Fan CIS 3 6902000020 Foil isolator CIS 3 6902001009 Heat conductivity grease CIS 3 GC 02931 10 Liner with sil Glass wool CIS 3 GC 05773 00 N2 cooling CIS 3 GC 03138 00 Peltier element CIS 3 GC 03258 00 Protective sleeve CIS 3 GC 08577 00 Septum head w
16. nce of GIS Hede siss eed de two e a PE a da cu Ge 19 5 1 4 Replacement of Adsorption trap ea Ee 20 510 keak Tesis e 20 5 1 6 Reconnect capillary column ees ee RR EE EE 20 CIS 4 Cooled Injection System Field Service Manual 3 5 1 7 Check Controller Temperature Calibration 21 5 1 8 Update the Controller Firmware sssssssss 22 k9 Test mL 22 5 2 Service Controller 505 oo b trio tte to lee 23 5 2 1 Prepare Controller for Service 00 eeen 23 5 22 Exchange RS N ED ee 23 5 2 3 AMONG Sh All tect ewan se N Toa dente egg ee 24 5 2 4 Change CIS 4 voltage from 40V to 44V 24 5 5 5 Change Firmware RE Re RE ense A dee NR De de se 24 5 2 6 Firmware Update Software cceeceeeeeeeeeeeeeeeeeeeeeees 26 5 2 7 Circuit board installation eic tte tr eet reete 27 5 2 8 Change main board ordi co eae AR 27 5 2 9 General description of main board 29 b Appendices eene ette andar 30 61 Pat DUDDER ius suce ee ete aa 30 611 Main ice RPSL buda a Vt s 30 6 1 2 Spare Datsun kas bada oe anata MA EE v S DUUM 31 6 2 Gable Diagrams Soter M auo esae esent EER BE ae Oe RE oe eed 34 BIS snara ag a iene eye ane he gd pa 35 64 MOLOOS eases arts Once satel pense ane add nan 36 6 5 Specifications 7 Values as A a 37 Field Service Manual 4 CIS 4 Cooled Injection System 1 Site Preparation 1 1 Gerstel CIS4
17. ns for the configurations listed above are found in the Installation and Operation manual set that is shipped with the instrument Attach the chromatograms generated by this run to the attach ment section at the end of this document Typical chromatograms are used to evaluate the installation result Small differences in the quality of gasses and column condition can result in the installation chromatogram deviating slightly from the examples given in the manual Field Service Manual 22 CIS 4 Cooled Injection System 5 2 Service Controller 505 5 2 1 Prepare Controller for Service switch off power remove power cord open controller 2 screws on each side Exchange Fuse prepare controller for service push turn ccw pull fuse out exchange fuse CIS 4 Cooled Injection System Note Always change both CPU fuses even if only one is blown Use 3 15 A fuse for the CPU even when 1 6 A is writ ten on board Use for CIS4 4AT slow for CIS 3 6 3AT slow Field Service Manual 23 5 2 3 Change Fan 1 Prepare Controller for Service 2 Remove plug 3 Unscrew fan with 2 screws 4 Change fan check the orientation fan blowing out of controller 5 2 4 Change CIS 4 voltage from 40V to 44V 1 Prepare for service 2 Unsolder cable from pos 4 on power supply 3 Solder cable to pos 3 on power supply 5 5 5 Change Firmware 1 Prepare for service 2 Controller Field Service Manual 24 CIS
18. or times for the mode CIS 4 Cooled Injection System Field Service Manual 13 Setting of parameters in both the Gerstel and HP software Explain that the Gerstel only controls the temperature of the inlet The HP software controls the pneumatic functions because the pneumatic mod ules are manufactured for us by HP and are an integral part of the GC Volume of liner backflashing Explain the small volume of the liner and the fact that injections over 1ul should be done cold to prevent backflashing of sample into the cooler parts of the inlet Since Gerstel equipment or any non HP equipment need to enable the Auto Preprun function of the GC an MS detector will show a large air background if tuned in the splitless mode This is because the Auto Preprun function switches the pneumatic mode of the inlet to splitless as soon as the GC becomes ready as opposed to just prior to injection if it is disabled This lowers inlet total flow to a point where a leak is created through the septum purge channel of the pneu matics module Always tune in the split or solvent venting mode Field Service Manual 14 CIS 4 Cooled Injection System 4 Troubleshooting Guide 4 1Leak tests 4 1 1 Quick leak test LI Set inlet mode to Splitless on GC front panel LJ Press twice the PREP button Prep LED will light not blinking 2 Read the total flow should be Col flow Purge 4 6ml min 4 1 2 Installation leak test Action from us
19. purge CIS 3 GC 03089 64 SLH CIS 3 GC 07541 10 3D Ferrule 3mm CIS 4 GC 07001 10 Baffled liner CIS 4 GC 05772 90 CO2 cooling CIS 4 GC 07393 04 DI 1 16 CIS 4 GC 07539 10 Liner with sil Glass wool CIS 4 Field Service Manual 32 CIS 4 Cooled Injection System CIS 3 4 Ident no Order no Description GC 05773 90 N2 cooling CIS 4 GC 03258 00 Protective sleeve CIS 4 GC 08584 00 Septum head w purge CIS 4 GC 07513 64 SLH CIS 4 GC 09248 00 Oven insulation CIS 4 GC 09128 00 Peltier jacket CIS 4 GC 10961 00 Protective sleeve CIS 4 GC 07522 00 2 2 solenoid valve GC 07244 00 3 2 solenoid valve GC 05243 01 Charcoal Filter GC 07259 45 GP Adapter GC 01117 05 Knurled nut GC 09999 76 Quick acting valve GC 09999 10 SLH Service kit GC 03091 64 Teflon guide GC 01576 10 Teflon cone GC 06124 20 Cryo tube CIS3 TDS CTS GC 06124 04 Cryo tube CIS 4 CIS 4 Cooled Injection System Field Service Manual 33 6 2 Cable Diagrams Field Service Manual 34 CIS 4 Cooled Injection System 6 3 Drawings CIS 4 Cooled Injection System Field Service Manual 35 6 4 Methods Check out CIS Liner baffled Initial temp 60 C Initial time 0 min 1 rate 12 C sec 2 rate 0 C min 1 temp 350 C 2 temp 0 C 1 time 3 5 min 2 time 0 mi
20. sing a new Teflon ferrule 5 1 4 Replacement of Adsorption trap t Disconnect the old adsorption trap t Connect the new adsorption trap The end marked with P shows to CIS 5 1 5 Leak Test t Cap GRAPHPACKadapter with an appropriate sealing ferrule t Set inlet pressure to 25 psi and total flow to 60 ml min using split mode t Press Prep Run on Agilent GC keypad to execute c Wait until the pressure is equilibrated e g 30 seconds for the pressure to stabilize No deviation shall be indicated in the status dialog box excep tion Oven not ready Waiting for host system External device t Cap septum purge vent with Swagelok 1 8 plug and set inlet pressure off immediately gt Pressure drop shall be less 0 05 psi min during a period of 10 min gt max pressure drop 0 5 psi 10min t f pressure drop is higher than expected search for leaks Eliminate all leaks and repeat leak test until the pressure drop is admissible 5 1 6 Reconnect capillary column t Remove all blanking plugs t Cut the column below septum Field Service Manual 20 CIS 4 Cooled Injection System t Push a new GRAPHPACK 2M ferrule with the metal side over the capillary column t Cut the column again to leave a clean end with no graphite residue t Fix the ferrule at a distance of 17 mm from the end of the column t Reinsert column into CIS inlet t Reconnect all coolant supplies 5 1 7 Check Controller Temperature
21. syringe Check all possible leak points listed above Check tightness of needle guide Use right syringe High background in systemHigh background cont Dirty or contaminated liner Leak at teflon needle guide during injection Contaminated CIS Bad column Dirty detector Replace CIS4 liner Check tightness of needle guide Clean the CIS Change Column Clean Detector Field Service Manual 16 CIS 4 Cooled Injection System 4 3 Hardware issues Problem Possible Cause Possible Solution CIS not heating at all or not reaching proper temperature Cable loose or unplugged Fuse blown in C505 controller Heating wire of CIS damaged LN2 valve stuck partially open Check security of cable Replace fuse Send unit to Gerstel for repair Exchange system Allow valve to thaw and retry or check inside of valve for debris CIS cannot reach pressure Leak in system Insufficient flow programmed into method See above Increase total flow rate No display no letter Power cord loosen Not switched on CPU fuse blows Check power cord Switch on controller Change both CPU fuses Temp error 1 no heating CIS unplugged Heater Plug system Exchange system Temp error 3 slow heating Wrong configuration Cryo valve open blocked Change fuse CIS 3 4 Change cryo valve Line irq Wrong configuration Blown fuse Change to 50 60 Hz Chang
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