Table of Contents

Replacement of SCD Ozone Scrubber

Required devices¶

No.	Parts name	Category	Required number	Note
①	Ozone Scrubber	Sulfur Chemiluminescence Detector (SCD)	1
②	Spanner, SCD, Maintenance	Sulfur Chemiluminescence Detector (SCD)	1

Procedures¶

Step 1¶

On the instrument monitor or workstation, check that the temperature of the column oven is lower than 40 °C, and check that the temperatures of the injection port and detector (SCD-IF part and electric furnace) are 50 °C or lower.
After checking the temperatures, turn OFF the main power to the instrument.

Step 2¶

Remove the ozone scrubber (★1) from the instrument.

Pull the ozone scrubber toward you to remove it.

Step 3¶

Remove 2 gas pipes at the top and bottom of the ozone scrubber using a spanner, SCD, maintenance (②).

Step 4¶

Install 2 gas pipes at the top and bottom of the ozone scrubber for replacement.

Turn the nut by hand and then tighten it additional one-half turn with a spanner, SCD, maintenance (②).

Hint

The ozone scrubber has no right-side up, therefore, either side of the scrubber can face upward.

Step 5¶

Install the ozone scrubber on the instrument.