Waters GCT Premier Operator's Manual page 234

9. Fit and tighten the two contact securing nuts.
Caution:
with care.
10. Fit the filament to the ion block.
11. Align the center of the filament wire with the hole in the ion chamber.
Filament wire alignment:
12. Fit and tighten the filament securing screw.
13. Fit the unthreaded support rods to the top of the ion block.
14. Fit the sleeves to the bottom of the unthreaded support rods.
15. Fit the two threaded support rods to the bottom of the ion block.
10-30 Routine Maintenance
The filament is fragile. To avoid damaging it, handle
Filament