For GCMS-QP2010 Plus, Ultra, GCMS-QP2020,GCMS-TQ series
Parts Number: 225-17705-91 CI ion source box
Parts Number: 225-17705-92 NCI ion source box
Parts Number: 225-17710-91 CI/NCI repeller assembly
Parts Number: 225-01068 BUSH FOR INSULATOR
Parts Number: 016-37575-03 PTFE tube
Parts Number: 085-35124-03 ABRASIVE CLOTH,7448
Types of Ion Source
The shape of the enclosed part (blue ■) is different.
Repeller electrode spacer
NOTE: The plate used for the repeller assembly of the CI, NCI ion source must be replaced by DI-2010.
Replace with the plate shown on the right side of the photo after referring to the User's Guide.
Replace with the plate shown on the right side of the photo after referring to the User's Guide.
Left side: Standard plate, Right side: Plate used for direct sample introduction
CAUTION: Wear safety glasses.
1. Be sure to perform 1) to 3) before starting maintenance.
1) Stop the instrument. Wait until the "system shutdown" message appears.
2) Close GCMSsolution.
3) Turn the POWER switch on the rear of the instrument OFF.
1) Stop the instrument. Wait until the "system shutdown" message appears.
2) Close GCMSsolution.
3) Turn the POWER switch on the rear of the instrument OFF.
2. Turn the knob to open the front door.
3. Draw out the PTFE tube downwards while holding down the part marked with the arrow with your finger.
NOTE: Wear clean gloves when performing maintenance. Be sure to wipe off any dirt from the tools used for maintenance using gauze moistened with acetone.
NOTE: Wear clean gloves when performing maintenance. Be sure to wipe off any dirt from the tools used for maintenance using gauze moistened with acetone.
NOTE: The sealing performance of PTFE tube drops when it is repeatedly drawn out and inserted. If this happens, replace with new PTFE tube.
（Cut the PTFE tube (provided) to about 45 mm for use.)
（Cut the PTFE tube (provided) to about 45 mm for use.)
4. Gently draw out the L1 socket using the tweezers to bring it to the left side.
NOTE: Wear clean gloves when performing maintenance. Be sure to wipe off any dirt from the tools used for maintenance using gauze moistened with acetone.
NOTE: Wear clean gloves when performing maintenance. Be sure to wipe off any dirt from the tools used for maintenance using gauze moistened with acetone.
5. Loosen the interface cup screw one full turn using the hexagon screwdriver.
6. Insert the box replacement jig (photo below) into the specified location and screw it in.
7. Holding the box replacement jig by hand, loosen the screws (two locations: enclosed parts in the photo below) one full turn using the regular screwdriver.
8. Grip the interface cup with the tweezers, move the cup to the right by about 5 mm and then press the hook down to hook the cup.
*For details interface cup
a) Grip the interface cup with the tweezers and move it about 5 mm to the right.
Press the interface cup down so that its notch (white part) slides into the groove.
NOTE: The photo shows a view from an angle to the upper left, with the ion source and filament removed, to make it easier to distinguish the interface cup.
NOTE: The photo shows a view from an angle to the upper left, with the ion source and filament removed, to make it easier to distinguish the interface cup.
b) After Attaching the Interface Cup
9. Fully loosen the screws (two locations) using the regular screwdriver while holding the box replacement jig with your hand.
10. Hold the box replacement jig and remove the ion source box assembly.
11. After Removing Ion Source Box Assembly
12. After Removing Box Replacement Jig and Ion Source Box Assembly
NOTE: After removing parts, place them on gauze to prevent them from becoming dirty.
NOTE: After removing parts, place them on gauze to prevent them from becoming dirty.
13. Remove the box replacement jig.
14. Separate the repeller assembly from the ion source box.
15. Disassemble the repeller assembly using the box screwdriver.
16. Repeller Nut Loosened Using the Box Screwdriver
After the nut becomes loose, loosen completely by hand.
After the nut becomes loose, loosen completely by hand.
17. Disassembled Repeller Assembly
18. Clean the ion source box and repeller electrode with emery cloth.
NOTE: Cut the emery cloth to an appropriate size with scissors before use.
NOTE: Cut the emery cloth to an appropriate size with scissors before use.
19. Polish dirty locations with emery cloth, and blow off powder from the surface using clean compressed air, for example.
[Ion Source Box]
(1) Overview of inside
(2) Around electron entrance (two locations)
[Ion Source Box]
(1) Overview of inside
(2) Around electron entrance (two locations)
[Repeller Electrode]
(1) Flat section
(2) Side section
(1) Flat section
(2) Side section
20. Put the ion source box and repeller into the beaker.
Pour in an appropriate amount of acetone, and perform ultrasonic cleaning for 10 minutes or more.
NOTE: Do not rinse the insulator. Replace it with a new one if cracked.
Pour in an appropriate amount of acetone, and perform ultrasonic cleaning for 10 minutes or more.
NOTE: Do not rinse the insulator. Replace it with a new one if cracked.
NOTE: Thoroughly rinse with clean acetone after ultrasonic cleaning.
NOTE: Also thoroughly rinse inside the PFTBA introduction tube.
21. Remove the ion source box and repeller electrode from the beaker, and bake for 1 hour at 400°C.
NOTE: Prepare a commercially available electrical furnace.
NOTE: Take care when handling the ion source box and repeller electrode because they are hot. Allow them to cool down sufficiently before handling them.
NOTE: Prepare a commercially available electrical furnace.
NOTE: Take care when handling the ion source box and repeller electrode because they are hot. Allow them to cool down sufficiently before handling them.
22. Place the (1) repeller electrode on top of the ion source box.
Insert parts in the following order: (2) insulator→ (3) spacer→ (4) plate.
Insert parts in the following order: (2) insulator→ (3) spacer→ (4) plate.
23. Lightly tighten the nut down to its root by hand while holding down the shield.
24. Assembly Example (view from below)
Make sure that the repeller electrode, spacer, plate, etc. are aligned in a row.
Make sure that the repeller electrode, spacer, plate, etc. are aligned in a row.
25. Fit the repeller assembly into the ion source box.
26. Install the box replacement jig.
NOTE: Exerting excessive force might cause the repeller electrode to warp or the insulator to crack.
NOTE: Exerting excessive force might cause the repeller electrode to warp or the insulator to crack.
27. Box Replacement Jig Installed
NOTE: The box replacement jig can be fitted in easily by drawing out the screws (two locations) from the plate as shown in the photo on the left.
NOTE: The box replacement jig can be fitted in easily by drawing out the screws (two locations) from the plate as shown in the photo on the left.
28. Hold the box replacement jig and fit the ion source box assembly into the instrument.
29. Tighten the screws (two locations: enclosed parts in the photo below) alternately with the regular screwdriver.
After tightening, loosen one full turn.
After tightening, loosen one full turn.
30. Unhook the interface cup using the tweezers, and press it against the ion source box.
Hold the box replacement jig, and lightly shaking the jig up and down, adjust the interface cup so that it is completely fitted in.
Hold the box replacement jig, and lightly shaking the jig up and down, adjust the interface cup so that it is completely fitted in.
31. Tighten the screws (two locations) with the regular screwdriver starting with the screw on the left side.
Remove the box replacement jig.
Remove the box replacement jig.
32. Tighten the interface cup screw using the hexagon screwdriver.
33.Insert the PTFE tube using the tweezers while holding down the part marked with the arrow with your finger.
NOTE: The sealing performance of PTFE tube drops when it is repeatedly drawn out and inserted. If this happens, replace with new PTFE tube.
（Cut the PTFE tube (provided) to about 45 mm for use.)
NOTE: The sealing performance of PTFE tube drops when it is repeatedly drawn out and inserted. If this happens, replace with new PTFE tube.
（Cut the PTFE tube (provided) to about 45 mm for use.)
34. Install the L1 socket using the tweezers.
34. Perform final checks. Make sure that items (1) to (4) below have been performed correctly.
Remedy any problems.
(1) The L1 socket must be fixed firmly to the sockets of the repeller electrodes. (Yellow ■ arrow)
(2) The wiring around the ion source must not be short-circuiting. (pink ■ enclosed frame)
(3) The interface cup must be completely fitted into the ion source box. (blue ■ enclosed frame)
Remedy any problems.
(1) The L1 socket must be fixed firmly to the sockets of the repeller electrodes. (Yellow ■ arrow)
(2) The wiring around the ion source must not be short-circuiting. (pink ■ enclosed frame)
(3) The interface cup must be completely fitted into the ion source box. (blue ■ enclosed frame)
(4) There must be no dirt on the O-ring (pink ■ arrow) or O-ring contacting surface (blue ■ arrow) of the vacuum container.
35. Close the front door, and completely turn the knob as far as it can go.
36. Turn the POWER switch on the rear of the instrument ON to start up the instrument.
37. <To Change the Type of Ion Souce>
Start up the [GCMS Real Time Analysis] program.
(1) Either click the [System Configuration] icon on the Analysis assistant bar, or click [Instrument] on the toolbar and click [System Configuration].
(2) Either double-click [MS] at [Modules User for Analysis] in the [System Configuration] sub-window, or select [MS] and click the [Properties] button.
Start up the [GCMS Real Time Analysis] program.
(1) Either click the [System Configuration] icon on the Analysis assistant bar, or click [Instrument] on the toolbar and click [System Configuration].
(2) Either double-click [MS] at [Modules User for Analysis] in the [System Configuration] sub-window, or select [MS] and click the [Properties] button.
38. (1) Click the [MS] tab to change the screen to the MS system configuration tab page.
(2) Click the arrow to the right of [Type] at [Ion Source], and select "CI" or "NCI".
(2) Click the arrow to the right of [Type] at [Ion Source], and select "CI" or "NCI".
(3) Select the currently connected reagent gas.
(4) After setting, click the [OK] button. Click the [Set] button in the [System Configuration] sub-window to finish system configuration.
(4) After setting, click the [OK] button. Click the [Set] button in the [System Configuration] sub-window to finish system configuration.
39. Click [Detail] at the instrument monitor.
40. Click the [Consumable] tab in the [Monitor Settings] sub-window. Note down the operation time at [Ion Source].
Click the [Reset Consumables] button.
NOTE: The ion source operation time is accumulated regardless of the type of ion source.
We recommend noting down the ion source operation time if the removed ion source is used next without being rinsed.
We recommend noting down the ion source operation time if the removed ion source is used next without being rinsed.
41. Enter "0" for the time at [Ion Source] in the [Reset Consumables] sub-window.
Click the [OK] button. Click [OK] in the [Monitor Settings] sub-window to close it.
Click the [OK] button. Click [OK] in the [Monitor Settings] sub-window to close it.
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