Agilent Technologies All Guide de dépannage télécharger pdf (Page 65)

Lab Exercise: Overview and Diagnostics

Diagnosis View

maintenance CD-ROM and then learn to perform user maintenance procedures on

the 1200 modules.

1) Insert the HPLC Maintenance and Repair CD into the CD-ROM drive. (The

CD may already be there.)

2) When the contents of the CD-ROM are displayed, double-click the file

start.htm. Alternatively, you can get started by clicking the Windows Start

button, selecting Run…, then Browse to find the CD-ROM drive. View

Files of type: All Files, select start.htm, then Open, and OK. The program

has a routine to check for necessary software components on your PC, which

should already be present. Click the Start Application button when it

appears.

3) The CD-ROM will now load. The Table of Contents appears in the left-

hand part of the window. Find the chapter on the Quaternary Pump and

click to expand its contents. Next find Repairing the Pump, and expand its

contents to see the Simple Repair Procedures. Simple repairs are those

that can be done from the front of the module without removing the module

from the instrument stack.

4) Under the Simple Repair Procedures, you will see a list of procedures.

The ones that have a video recorder icon next to them have a video clip as

part of the repair procedure. For practice, select the procedure for

Exchanging the Pump Seals and Seal Wear-in Procedure.

5) The instructions for this procedure will appear on the right side of the

program window. The information provided includes: When required,

Tools required, Parts required, Preparation and Completion Steps, and

the step by step directions. You can scroll down and read all the directions

or you can run the video clip by clicking the start button at the lower left side

of the video area. Once started, the start button becomes a pause button.

Buttons to stop the video clip and to adjust the volume are also present.

6) Note: You must have speakers or the headphones installed in order to use

the audio portion of the presentation.

7) Now try to find the procedure for changing the needle assembly in the

autosampler and play the video for this maintenance procedure.

NOTE: Some of the maintenance procedures will require you to use the

ChemStation software to move a part of the instrument. For instance, to change

the needle, the needle position must be moved up and down. In order to perform

this function, you must go to the Diagnosis view, select the Maintenance menu,

then ALS, and Maintenance Positions. When you are ready to begin the

maintenance procedure, you would select Start in the Change Needle box.

Changing the piston, changing the gripper and parking the arm for transport are

also performed from this window.

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Agilent Technologies All Guide de dépannage Page 65