7683 Service
Contents
1. 1 Loosen the bracket mounting screws and the height adjustment screw See Figure 8 Adjust this space Mounting screws 2 Support bracket Height adjustment screws Figure 8 The bar code reader support bracket 2 Slide the support bracket towards or away from the tray until the top of the bar code reader is parallel with the tray surface Tighten the mounting screws 3 Adjust the bar code reader s height Slightly loosen the height adjustment screw on the side of the support bracket and raise or lower the bracket until there is avery small gap about the thickness of apiece of paper between the mounting clips on the bar code reader and the tray See Figure 8 Tighten the height adjustment screw 22 MAR 2000 Replacement Procedures Making a trial run Making a trial run Use the following trial run to quickly check injector and tray operation 1 Install an empty syringe in the injector 2 Place empty bottles in the Solvent A and Waste A turret positions Place an empty capped sample vial in the tray 1 position or the turret sample 1 position if not using the tray 3 Set these following parameters on the GC Parameter Setting Injection volume 1 Sample pumps 1 Viscosity delay 0 Sample washes 1 Solve A washes 1 Solve B washes 0 Slow plunger off Pre dwell time 0 Post dwell time 0 Sampling offset off on if cool on column inlet used Solve A pre wash 1 Solve B pre2. Agilent 7683 Automatic Liquid Sampler Service Manual Agilent 7683 Automatic Liquid Sampler Service Manual Table of Contents Chapter 1 System Overview Modules nt nd soja ilo Compatibility clean reca CAO MC rc MIE lana C9 P2 P2 Chapter 2 Installation Trav 7683 Installation GUME iii Injector 7663 Installation Guide Bar code reader 7683 Installation Guide A A A Chapter 3 Configuration and Cabling Connecting cabling 7683 Installation Guide sess Cabling pinouts 6890 GC 6890 Service Manual sess PINOULS ae Tray connector P1 to 6850 6890 GC Tray connector P9 to the bar code reader sss Tray connector JL auxiliary aida 0 44 Chapter 4 Diagnostics Theory of Op ration es G2612A ALS Interface board screens 12 ooo br mn eon sn m 12 juice Rame RC T 12 EE M gram ve ramene vea pm 13 MAR 2000 Contents Correcting syringe problems 7683 Installation Guide Correcting vial delivery problems 7683 Installation Guide Fault lights 7683 Installation Guide Error messages 7683 Installation Guide sess 4 Chapter 5 Replacement Procedures Replacing the mounting post essais 16 Replacing tbe G2614A Tray nanas 17 Replacing the
3. Ki hd A 4 Figure 9 G2613A injector replacement parts MAR 2000 27 Illustrated Parts Breakdown Tray part no G2614A Tray part no G2614A Description Part No Oty Assy 1 NS Tray module assembly new Tray module assembly exchange Torx screw T 20 m4 x 45 mm Quadrant 4pk Torx screw T 20 m4 x 20 mm Main tray cable 62614 60965 62614 69965 0515 2484 18596 40015 1390 1024 62614 60610 lt 28 MAR 2000 Illustrated Parts Breakdown Tray part no G2614A 29 iC AAA M uH Figure 10 G2614A Tray replacement parts MAR 2000
4. G2613A Injector 19 Replacing the G1926A Bar Code Reader eerte vieni 21 Adjusting the bar code reader position i 22 Replacing the ALS interface board 6890 GC 6890 Service Manual nee g Replacing the needle support assembly CE Replacing the needle guide in the support foot 7683 Installation Guide ertt Removing the turret 7683 Installation Guide g Turret alignment 7683 Installation Guide eese Making a trial rUn osa a 23 Chapter 6 Illustrated Parts Breakdown ALS Interface Board part no G2612A re Injector pare G2613A saio 26 Tray Dart no Lili 28 ii MAR 2000 1 Modules Compatibility Safety System Overview Chapter 1 System Overview Modules The 7683 Automatic Liquid Sampler system shown in Figure 1 can include e One G2612A ALS interface board required on 6890 GC not used on 6850 GC e One or two G2613A injector module s One G2614A 100 vial tray optional 6890 GC only One G1926A Bar Code Reader optional 6890 GC only requires INET integrator or ChemStation pei G2613A Injector Open injector door here kazi Sample tray quadrant Turret G2614A Tray Figure 1 The 7683 Automatic Liquid Sampler system Compatibility A 6890 GC witho
5. Removing the turret 7683 Installation Guide A Turret alignment 7683 Installation Guide 2 Malans a trial ases demain 23 Replacement Procedures Chapter 5 Replacement Procedures Replacing the mounting post The 6890 GC mounting post locations are shown below m B Back post location Back injector o Front post location o Front injector Figure 2 Mounting post locations There is only one post location for the 6850 GC MAR 2000 Replacement Procedures Replacing the G2614A Tray Replacing the G2614A Tray Unplug the tray cable from the GC 1 Remove the three injection port cover Torx screws shown in Figure 3 and remove the old tray 2 Tray Tray mounting screws Captive screw install first Remove screws from cover Injection port cover Installing the tray Figure 3 17 MAR 2000 Replacement Procedures Replacing the G2614A Tray Caution Do not move or manipulate the robotic arm or gripper Moving the arm or gripper back and forth can cause damage If necessary rotate the arm assembly a few degrees until there is enough clearance 3 Align the new tray over the three holes in the injection port cover and locate in place Tighten the captive screw
6. in the center of the tray mounting arm to hold the tray in place Install the two mounting screws into the tray and tighten until the tray is secure 4 Install the tray quadrants Slide the leading edge of each quadrant under the guides on the tray then snap the front tab into the slot on the tray See Figure 4 Guide tab T drant ray quadran Slot Front tab Figure 4 Install the tray quadrants 18 MAR 2000 Note Replacement Procedures Replacing the G2613A Injector Replacing the G2613A Injector Do not mount the G2613A Injector on a mounting post for a 7673 Injector Remove the old post and replace it with the new one 1 Unplug the injector cable from the GC 2 Lift the injector off of the mounting post 3 necessary install replace the mounting post on the injection port cover in the front or back location as desired 4 Openthenewinjector s door Slide the packing material and syringe carriage down then remove the packing 5 Mount the new injector Line up the hole in the base of the injector that is nearest the cable with the mounting post Lower the injector about an inch 2 5 cm onto the post See Figure 5 Alignment pin Cable Hole in injector base Back mounting post location Mounting post front Alignment hole Inlet cover Figure 5 Mounting the injector 6890 GC shown MAR 2000 Replacement Procedures Replacing the G2613A Injecto
7. ecting syringe problems 7683 Installation Guide Correcting vial delivery problems 7683 Installation Guide Fault lights 7683 Installation Guide Error messages 7683 Installation Guide Diagnostics Chapter 4 Diagnostics Theory of operation G2612A ALS Interface board The ALS Interface board routes messages between the GC main board and the components of the automatic liquid sampler system and transmits power to the injector s and the tray Errors detected by the injector or the tray are routed to this board which then displays the error message on the 6890 GC or at the ChemStation Power from the transformer enters the board at J5 This voltage is partially rectified through half a diode bridge before being transmitted to the tray and the injector s at approximately 33 VAC The other half of the diode bridge resides within the injector and the tray The ALS Interface board runs on 5 VDC from the main board through P5 One fuse is located on this board at F1 to protect the transformer from overvoltage 6850 GC The 6850 GC directly controls and powers the injector and tray The power circuitry is identical to that on the ALS interface board G2613A Injector The G2613A Injector completes the rectification of power delivered by the ALS Interface board 6890 only or the 6850 and interprets all commands received into the motions required to make an injection Sensors and encoders are used MAR 2000 Diagnos
8. r Front location Turn the injector so that the turret is facing the front of the GC Lower the injector until the alignment pin in the base enters the alignment hole in the injection port cover Back location Turn the injector so the turret faces the left side of the GC Lower the injector until the alignment pin in the base enters the alignment hole in the injection port cover Check your work e injector must be vertical e The alignment pin must be properly seated in the alignment hole e injector feet should touch the injection port cover If the injector will not sit upright on the GC check that the plumbing and cabling under the injection port cover are properly routed in their channels 20 MAR 2000 Replacement Procedures Replacing the G1926A Bar Code Reader Replacing the G1926A Bar Code Reader 1 Unplug the old bar code reader cable from the tray See Figure 6 OUO GO ORO o9696969569696 Connect bar code reader Figure 6 Connecting the bar code reader 2 Remove the bar code reader from the tray 3 Install the new bar code reader See Figure 7 Mounting clips Bar code reader Figure 7 Mounting location for the bar code reader MAR 2000 21 Replacement Procedures Replacing the G1926A Bar Code Reader Adjusting the bar code reader position To adjust the bar code reader position
9. rrying components of the GC The following components carry voltage when the GC is plugged in even if the power switch is off The AC power cord The AC power supply When the power to the GC is turned on potentially dangerous voltages exist on these additional components The power transformer All electronics boards All internal wires and cables connected to these boards The injector tray and bar code reader cables that connect to the GC internal wires cables and boards in the injector tray and bar code reader MAR 2000 Installation MAR 2000 3 Connecting cabling 7683 Installation Guide Cabling pinouts 6890 GC 6890 Service Manual Pinouts Configuration and Cabling Chapter 3 Configuration and Cabling Pinouts Tray connector P1 to 6850 6890 GC Pin Signal Al TXD A2 RTS A3 DTR A4 MRESET A5 GND A6 7 GND A8 VAC2 B1 RXD B2 CTS B3 DSR B4 GND B5 GND B6 B7 GND B8 VAC2 MAR 2000 Tray connector P9 to the bar code reader Pin Signal 1 5 VDC 2 NC 3 NC 4 RRDO motor 5 RRD1 motor 6 7 GND 8 RR5V PMH1 GND PMH2 GND Tray connector J1 auxiliary a 5 Signal o gt PMH1 PMH2 CD RXD TXD DTR GND DSR RTS CTS RI GND GND Configuration and Cabling Pinouts MAR 2000 Configuration and Cabling Pinouts 10 MAR 2000 4 Theory of operation Corr
10. tics Theory of operation on the syringe carriage plunger and turret to locate the position of these parts and to control injection speed Any errors detected are reported to the ALS interface board GC main board which displays the error on the GC G2614A Tray The G2614A Tray consists of a platen which holds the sample vial quadrants a bracket a control board and a robotic arm assembly that manipulates and moves the sample vials to the injector Half rectified power to the assembly arrives through the cable to the ALS interface board along with control signals The board within the tray completes rectification of the 33 VAC power input interprets all commands and drives the robotic arm motors and the bar code reader Sensors are located within the tray and robotic arm assemblies to allow the tray board to determine the location of the gripper and to determine whether or not the gripper is carrying a vial MAR 2000 Diagnostics Theory of operation 14 MAR 2000 D Replacing the mounting POSE roses 16 Replacing the G2614A Tray eese 17 Replacing the G2613A Injector nana 19 Replacing the G1926A Bar Code Reader 21 Replacing the ALS Interface board 6890 Service Manual cia Replacing the needle support assembly 7683 Installation Guide sian A Replacing the needle guide in the support foot 7683 Installation Guide sess T
11. ut the ALS interface board can use only the 7673 ALS A 6890 GC with the ALS interface board can use only the 7683 ALS The 6850 GC uses only the 7683 ALS 2 MAR 2000 System Overview Safety Safety Before servicing the various components of the GC observe the following safety precautions Caution Follow the precautions below when servicing the instrument to avoid data loss or damage to the instrument Printed circuit boards When storing printed circuit boards PCBs always place them in static control envelopes or enclosures Always make sure you are properly grounded e g wearing an ESD strap before handling electrostatic sensitive components such as printed circuit boards Voltage carrying components When disconnecting plugs pull on the plug not its wires Pulling on the wires may cause breakage Warnings The following are potential hazards that can cause personal injury Heated components Parts of the injector may become hot Turn off the GC oven and inlet detector heated zones and allow them sufficient time to cool before servicing those areas If you must perform service on components that have not fully cooled wear protective gloves Voltage carrying components Whenever possible disconnect the G2613A Injector and G2614A Tray from the GC before working on them MAR 2000 System Overview Safety Whenever possible disconnect the GC from its power source before working on or near voltage ca
12. wash 0 Injections vial 1 Samples 1 1 101 101 for turret with ChemStation control 4 Set the GC oven program to 25 C with a 0 C min ramp a hold time of 0 1 minutes an equilibrium time of 0 3 minutes and an initial time of 0 3 minutes MAR 2000 23 Replacement Procedures Making a trial run 5 Store load then run the sequence e If there are no faults the injector will make one injection from the first vial position e fany faults occur see the 7683 Installation Guide 24 MAR 2000 6 Injector part G2613A is edet Res Tray part no G2614A iii Illustrated Parts Breakdown Chapter 6 Illustrated Parts Breakdown The following pages list the replacement parts for the 7683 Automatic Liquid Sampler Injector part no G2613A Description Part No Oty Assy 1 9 Ov ob NS Injector module new Injector module exchange Mounting post G2613A Hi density injector turret kit Injector turret standard Needle support assembly 530 pum Needle support assembly 250 320 um accessory 18599T Software upgrade kit Injector install instructions 62613 60910 62613 69910 62613 20500 62306 60500 61513 40000 62613 60977 61513 61295 62613 60550 62613 90195 26 MAR 2000 Illustrated Parts Breakdown Injector part no G2613A mm 5 E 5 6 2 3
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