SPL/WBI Replacement of O-ring and Glass Insert
For SPL/WBI injection ports equipped with a ClickTek nut, the glass insert can be replaced without using a wrench.
The procedure for the SPL of GC-2030 is described here as an example.
Preparation¶
First, set the instrument to a state in which it can be serviced (Maintenance Mode).
- Enter maintenance mode using the workstation.
- Enter maintenance mode using the the instrument monitor. (When the GC main unit is GC-2030)
- Enter maintenance mode using the maintenance button on the instrument. (When the GC main unit is GC-2050)
Required devices¶
No. |
Parts name |
Category |
Required number |
Note |
|---|---|---|---|---|
① |
Tweezers |
1 |
||
② |
O-ring |
1 |
Optional product with high heat resistance is available. |
|
③ |
Glass Insert |
1 |
Various optional parts are available. |
Procedures¶
Step 1¶
Open INJ/DET cover (★1).
For GC-2050, do maintenance work without opening the INJ/DET cover. Turn off the power before opening the INJ/DET cover.
Step 2¶
Turn the lever (★2) counterclockwise while holding the insert assembly.
Step 3¶
Raise the insert assembly (★3) slowly.
Raise the injection port slowly straight up by left hand to prevent damage of glass insert.
When O-ring is adhered to the insert assembly, remove O-ring with tweezers before raising the insert assembly to prevent damage of glass insert.
Step 4¶
Pull out old glass insert (③) with tweezers (①).
Pay attention not to damage the installation surface of O-ring on the injection inlet.
When O-ring is adhered by heat, remove the connection between O-ring and the body by inserting tweezers in 2 slits on the both side.
Step 5¶
Install a new glass insert (③) equipped with O-ring (②). Take care not to break the column.
-
Temporarily set the O-ring approximately 4 mm from the top of the glass insert and install it on the injection port.
Press down it with tweezers until it reaches the bottom. -
In the glass insert included in the standard accessories, silica wool is packed at proper position in advance.
When using a glass insert in which silica wool is not packed, pack silica wool according to Guide for Packing Position of Silica Wool .
Step 6¶
Install the insert assembly (★3) fitting into the groove.
It can be installed easily by inserting the projection of insert assembly while the lever is turned to the back.
Step 7¶
Turn the lever (★2) clockwise while holding the insert assembly.
Step 8¶
Close INJ/DET cover.
Step 9¶
Exit maintenance mode using the following procedure according to the relevant instrument, and reset the consumable usage counter.