Maintenance works must only be undertaken after the temperature of each part has been lowered to less than 50 deg.C.
Place any detached items on a clean sheet or tray. Do not lose or contaminate these items.
Undertake the works using the appropriate tools. Any dirt on the tools being used must be wiped off in advance using gauze etc. dipped in acetone.
Two 10x12 wrenchs (standard accessory), tweezers
1 |
Press the [SYSTEM] key on the GC unit and select "INJ Maintenance" in the PF menu. The temperature of the sample injection port and the column oven will lower automatically, and the supply of carrier gas will stop when it goes below 50 deg.C. |
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2 |
Check that the message "Perform INJ maintenance" appears on the GC display. |
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3 |
Loosen and remove the joints at the ends of the filter and trap. | |
4 |
SPLIT/PURGE Trap 221-42559-92 Molecular sieve filter 221-34121-93 Baked Molecular sieve filter 221-34121-94 |
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5 |
Fit the new filter and trap. Tighten in place using the wrench. 2 or 3 aluminum gaskets must be inserted into the G-JOINT when doing this. Aluminum gasket 201-35183-84 |
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6 |
(Press the [SYSTEM] key) Select "Analysis" in the PF menu. The GC will be readied automatically. |
Maintenance Top ; GC-2025 Main ; GC-2025 Detector ; GC-2025 Sample Injection Port ; GC-2025 Column Oven