FAQ - Frequently Asked Questions

Parts Number:

225-01242-91: PLUG ASSY (Use it as a stopper when the DI-2010 is not used.)

225-10653-91: POSITIONING JIG (Tool to adjust the position of the DI-2010 and ion source)

016-31603: PVC TUBE, 4X8 CL (Adjust the length by cutting with scissors prior to use.)

200-33168: PTFE SEAL (It request 2pc)
036-15550-12: Ｏ-ring,AS568A-012 4D (It request 2pc)

 

1. When replacing the PTFE seal and O-ring, check the following before stopping the instrument:
  1) The sample lever must be at the "CLOSE" position.
  2) The stop plug (enclosed part in the photo on the left) must be inserted in the DI introduction port of the sample introduction section.

 

 

2. Automatically stop the GC/MS. Wait until the "system shutdown" message appears.
  Before performing maintenance, be sure to turn the MS OFF.

 

 

3. When the guide rail is connected, loosen the knobs (two locations) on the side of the guide rail.

 

 

4. Draw the guide rail to the front to remove it.

 

 

5. <Replacing the PTFE Seal and O-Ring on the DI Introduction Port Side>
  Remove the stop plug.

 

 

6. Remove the cap nut.

 

 

7. Remove the washer between the cap nut and PTFE seal.

 

 

8. Remove the seal with a plastic rod or similar object.
  CAUTION: Do not use tweezers or metal rods. Using these will scratch the contacting surface with the seal on the sample introduction section and cause vacuum leakage.

 

 

9. Prepare a new PTFE seal and O-ring.
 

 

10. Attach the O-ring to the PTFE seal.
 

 

11. Attach the new seal to the sample introduction section.

 

 

12. Insert the washer between the cap nut and PTFE seal.

 

 

13. Lightly tighten the cap nut.
 

 

14. If the washer is out of place, re-center it with a plastic rod or similar object.
 

 

15. Fit in the stop plug. In this state, tighten the cap nut.
 

 

16. <Replacing the PTFE Seal and O-Ring on the Analysis Tube Side>
  Draw the vinyl hose down to remove it.

 

 

17. Remove the cable plug from the socket on the front panel.
 

 

18. Turn the knob to open the front door.
 

 

19. Gently open the front door by 90° or more.
  Now, slide the front door up. The front door comes away from the instrument.
 

 

20. Remove the screws (three locations) shown in the photo with a Phillips screwdriver.
 

 

21. Remove the retainer ring with tweezers.
 

 

22. Remove the seal shown in the photo on the left with a plastic rod or similar object. The procedure for removing this seal is the same as that for removing the seal on the DI introduction port side.
  CAUTION: Do not use tweezers or metal rods. Using these will scratch the contacting surface with the seal on the sample introduction section and cause vacuum leakage.
 

 

23. Attach the new seal. The procedure for attaching this seal is the same as that for attaching the seal on the DI introduction port side.

 

 

24. Set the retainer ring in place with tweezers, and tighten the screws (three locations) shown in the photo with a screwdriver.

 

 

25. Pass the positioning jig through, and check that the seals are not out of position.
  If the positioning jig cannot pass through, loosen the screws (three locations) to adjust the seals.
  After adjusting the seals, draw out the positioning jig.
  Check the O-ring or O-ring contacting surface of the vacuum container to make sure they are free of dirt.

 

 

26. Turn the knob and re-attach the front door.

 

 

27. Use the positioning jig to make sure that the jig can be inserted up to its red line mark.
  After checking this, fit in the stop plug.

 

 

28. Insert the cable plug into the socket on the front panel.

 

 

29. Insert the vinyl hose.

 

 

30. Turn the GC/MS ON, and start up the [GCMS Real Time Analysis] program.

 

 

31. Click [Detail] at the instrument monitor.

 

 

32. Click the [Consumable] tab in the [Monitor Settings] sub-window.
  Click the [Reset Consumables] button.

 

 

33. In the [Reset Consumables] sub-window, enter "0" for the time of the newly replaced [DI].
  Click the [OK] button. Click [OK] in the [Monitor Settings] sub-window to close it.

 

 

34. Automatically start up the GC/MS.

 

 

35. In the Peak Monitor sub-window, monitor water (m/z 18) and nitrogen (m/z 28) to check for any leaks.