Agilent Technologies 7683 Bedienungsanleitung

Agilent 7683 Automatic Liquid Sampler

Service Manual

Agilent 7683 Automatic Liquid Sampler

Service Manual

Table of Contents

MAR 2000 i

Chapter System Overview

Modules ................................................................................................................ 2

Compatibility ....................................................................................................... 2

Sa ety .................................................................................................................... 3

Caution ......................................................................................................... 3

Warnings ....................................................................................................... 3

Chapter 2 Installation

Tray (7683 Installation Guide).................................................................

Injector (7683 Installation Guide)............................................................

Bar code reader (7683 Installation Guide)...............................................

Chapter 3 Configuration and Cabling

Connecting cabling (7683 Installation Guide) ..............................................

Cabling pinouts, 6890 GC (6890 Service Manual).........................................

Pinouts ................................................................................................................. 8

Tray connector P1, to 6850/6890 GC ......................................................... 8

Tray connector P9, to the bar code reader .............................................. 9

Tray connector J1, auxiliary ...................................................................... 9

Chapter 4 Diagnostics

Theory o operation ............................................................................................ 12

G2612A ALS Inter ace board ...................................................................... 12

6850 GC ......................................................................................................... 12

G2613A Injector ........................................................................................... 12

G2614A Tray ................................................................................................. 13

Contents

ii MAR 2000

Correcting syringe problems (7683 Installation Guide).......................

Correcting vial delivery problems (7683 Installation Guide) ..............

Fault lights (7683 Installation Guide).....................................................

Error messages (7683 Installation Guide) .............................................

Chapter 5 Replacement Procedures

Replacing the mounting post ............................................................................ 16

Replacing the G2614A Tray ............................................................................... 17

Replacing the G2613A Injector ......................................................................... 19

Replacing the G1926A Bar Code Reader ......................................................... 21

Adjusting the bar code reader position .................................................... 22

Replacing the ALS inter ace board, 6890 GC

(6890 Service Manual)...................................................................................

Replacing the needle support assembly

(7683 Installation Guide) .............................................................................

Replacing the needle guide in the support oot

(7683 Installation Guide) .............................................................................

Removing the turret (7683 Installation Guide).............................................

Turret alignment (7683 Installation Guide) ..................................................

Making a trial run ............................................................................................... 23

Chapter 6 Illustrated Parts Breakdown

ALS Inter ace Board, part no. G2612A...............................................................

Injector, part no. G2613A ................................................................................... 26

Tray, part no. G2614A ........................................................................................ 28

System Overview

Modules......................................................................................2

Compatibility.............................................................................2

Sa ety..........................................................................................3

2MAR 2000

Chapter

System Overview

Modules

The 7683 Automatic Liquid Sampler system, shown in Figure 1, can include:

• One G2612A ALS inter ace board (required on 6890 GC, not used on 6850 GC)

• 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

Figure The 7683 Automatic Liquid Sampler system

Compatibility

A 6890 GC without the ALS inter ace board can use only the 7673 ALS.

A 6890 GC with the ALS inter ace board can use only the 7683 ALS.

The 6850 GC uses only the 7683 ALS.

Sample tray quadrant

Open injector door here

Turret

G2613A Injector

G261 A Tray

System Overview

Safety

MAR 2000 3

Safety

Be ore servicing the various components o the GC, observe the ollowing sa ety

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) be ore

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 ollowing are potential hazards that can cause personal injury.

Heated components

Parts o the injector may become hot. Turn o the GC oven and inlet/detector

heated zones and allow them su icient time to cool be ore servicing those areas.

I you must per orm service on components that have not ully cooled, wear

protective gloves.

Voltage carrying components

Whenever possible, disconnect the G2613A Injector and G2614A Tray rom the

GC be ore working on them.

System Overview

Safety

MAR 2000

Whenever possible, disconnect the GC rom its power source be ore working on

or near voltage carrying components o the GC.

The ollowing components carry voltage when the GC is plugged in even i the

power switch is o :

• 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 trans ormer

• 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

• All internal wires, cables, and boards in the injector, tray, and bar code

reader

Installation

Tray .......................................................................................

Injector..................................................................................

Bar code reader ...................................................................

6MAR 2000

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