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.
Do not remove the photomultiplier unit while the system is operating or the FPD is on as this may damage the photomultiplier.
Tools Required(None)
Procedure|
1 |
Shutdown the system and stop the gas supply for detectors. |
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2 |
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Loosen the knurled screw and remove the FPD cover.
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3 |
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Loosen the 2 photomultiplier unit fixing knurled screws. |
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4 |
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Slowly pull the photomultiplier unit out to remove it. Cover the photomultiplier receiver with aluminum foil etc. to avoid exposure to intense light. |
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5 |
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Rotate the interference filter by hand and remove it.
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6 |
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Wipe away any dirt on the filter surface using a soft cloth. Filter for S (Sulfur) 221-46310-01
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7 |
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Check the O-ring of the interference filter and replace it if it shows signs of deterioration. O-ring, for outside the filter 036-19006-17
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8 |
Rotate the interference filter by hand to attach it. |
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9 |
Attach the photomultiplier unit slowly. |
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10 |
Tighten the photomultiplier unit fixing knurled screws to fix the photomultiplier unit. Check to ensure that it has been fixed tight. |
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11 |
Put back the cover and tighten the knurled screw. |
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12 |
Start up the system. |
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Maintenance Top ; GC-2014 Main ; GC-2014 Detector ; GC-2014 Sample Injection Port ; GC-2014 Column Oven
