Installation manual

134 5975 Series MSD Operation Manual
5 General Maintenance
To remove the EI ion source
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Pliers, long-nose (8710-1094)
Procedure
1 Vent the MSD. See page 82.
2 Open the analyzer chamber. See page 84.
Make sure you use an antistatic wrist strap and take other antistatic
precautions before touching analyzer components.
3 Disconnect the seven wires from the ion source. Do not bend the wires any
more than necessary (Figure 32 and Table 22).
Table 22 Ion source wires
Wire color Connects to Number of leads
Blue Entrance lens 1
Orange Ion focus 1
White Filament 1 (top
filament)
2
Red Repeller 1
Black Filament 2 (bottom
filament)
2

CAUTION
Pull on the connectors, not on the wires.