Replacement of STCD VENT Pipe

Required devices

No.
Parts name
Category
Required number
Note
①
STCD VENT Pipe (MF-MF)
Single Filament Thermal Conductivity Detector (STCD)
1
②
10×12 Spanner
Other
2

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 are 50 °C or lower. After checking the temperatures, turn OFF the main power to the instrument.

Step 2

Open INJ/DET cover to remove it.

Step 3

Open AFC/APC cover to remove it.

Step 4

Remove the VENT pipe from the STCD unit using two 10×12 spanners. ​

Step 5

Remove the VENT pipe from the VENT buffer unit using two 10×12 spanners. ​

Step 6

Install a new VENT pipe to the VENT buffer unit and tighten the nut using two 10×12 spanners.

Step 7

Bend the VENT pipe to pass it through the slit.

Step 8

Install a new VENT pipe to the STCD unit, and tighten the nut using two 10×12 spanners.

Step 9

Close INJ/DET cover.