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4
General Maintenance
To Remove the EI ion source
Be careful! The LTM column, guard column enclosure, GC/MSD transfer line, and
WA R N I N G
inlet may be hot enough to cause burns. If hot, wear heat-resistant gloves to protect
your hands.
Materials needed
• Gloves, clean, lint-free
• Pliers, long-nose (8710-1094)
Procedure
1 Vent the MSD. See
2 Open the analyzer chamber. See
3 Disconnect the seven wires from the ion source. Do not bend the wires any
Table 18
Wire color
Blue
Orange
White
Red
Black
132
•
Large (8650-0030)
•
Small (8650-0029)
page
Make sure you use an antistatic wrist strap and take other antistatic
precautions before touching analyzer components.
more than necessary
Ion source wires
Connects to
Entrance lens
Ion focus
Filament 1 (top
filament)
Repeller
Filament 2 (bottom
filament)
97.
page
99.
(Figure 31
and
Table
Number of leads
1
1
2
1
2
5975T LTM GC/MSD Operation Manual
18).
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