1

Shutdown the system.

2

Remove the screws of the collector holding bracket.

3

Remove the collector unit together with the collector holding bracket.

4

Check for dirt inside the collector. If dirty, wipe the dirt away using cotton buds soaked in solvent. If using an item like a brush, use a soft one. The damage caused by the use of a wire brush etc. can result in noise.

Replace the collector if it is so dirty that it cannot be washed, or if it rusts.

Collector ASSY, FID: Part No.: 221-72322-91

5

Disconnect the signal cable.

6

Pull out the high voltage plate upwards.

7

Pull the high voltage brush out together with the spring.

8

Disconnect the high voltage cable.

9

Loosen the FID jet with a hexnut screwdriver.

Hexnut screwdriver (option, Part No. 670-18800)

10

Detach the FID jet with tweezers.

Do not jolt the jet as this may break the quartz.

11

FID jet (0.3 dia. standard) 221-48258-91
FID jet (0.8 dia. for water analysis) 221-49373-91

Check for any dirt or blockages in the jet.

If dirty, wipe the dirt away using a cotton bud soaked in solvent. Replace it with a new item if it has blockages.

Note:
Use the dedicated 0.8mm inner dia. jet if performing water analysis.

12

Set the FID jet and use the nut driver to turn it until it comes to a firm stop.

13

Put back the high voltage unit and collector unit by following the removal procedure in reverse.

14

Start up the system.