7-38 Routine maintenance
Outer source maintenance
The outer source assembly
Clean the outer source assembly when either of these conditions applies:
• It is visibly fouled.
• When cleaning the inner source chamber assembly fails to increase
signal sensitivity.
See “Inner source chamber assembly maintenance” on page 7-6.
Cleaning the outer source assembly involves these tasks:
• Removing the outer source assembly from the instrument (see
page 7-40).
• Disassembling the outer source assembly (see page 7-42).
• Cleaning ion burn off the outer source assembly components (see
page 7-64).
• Ultrasonically cleaning the outer source assembly components (see
page 7-65).
• Assembling the outer source assembly components (see page 7-73).
• Fitting the outer source assembly in the instrument (see page 7-79).
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