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).

Required devices

No.
Parts name
Category
Required number
Note
①
Tweezers
Other
1
②
O-ring
O-ring (for glass insert)
1
Optional product with high heat resistance is available.
③
Glass Insert
Glass insert for capillary
1
Various optional parts are available.

Procedures

Step 1

GC-2030

Open INJ/DET cover (★1).

GC-2050

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.

Note

Raise the injection port slowly straight up by left hand to prevent damage of glass insert.

Hint

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).

Note

Pay attention not to damage the installation surface of O-ring on the injection inlet.

Hint

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.

Hint

  • 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.

Hint

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.