Thermo Finnigan LTQ - Page 110

MS Detector Maintenance
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4-2 _______________________ Finnigan LTQ Hardware Manual _______________________
Table 4-1. MS detector maintenance procedures
MS Detector
Component
Procedure Frequency Procedure Location
API source Flush (clean) sample
transfer line, sample
tube, and API probe
Daily Page 3-6
Ion source interface Flush (clean) ion
sweep cone and ion
transfer capillary
Daily (or more often
1
) Page 3-8
Rotary-vane pump Purge (decontaminate)
oil
Daily Page 3-11
Ion source interface Remove and clean ion
transfer capillary
Weekly, or if ion
transfer capillary bore
is contaminated or
obstructed
Page 4-8
PhotoMate light
source
Clean or polish VUV
lamp window
If VUV lamp window is
dirty
Finnigan Ion Max API
Source Hardware
Manual
Ion source interface Clean tube lens and
skimmer
As needed
1
Page 4-13
Cooling fans Clean fan filters Every 4 months Page 4-44
Q00 ion guide Clean Q00 quadrupole
and lens L0
As needed
1
Page 4-22
ESI probe Trim sample tube If polyimide coating on
the end of the sample
tube has elongated
Page 3-3
APCI or ESI probe Replace sample tube If sample tube is
broken or obstructed
Finnigan Ion Max API
Source Hardware
Manual
Ion source interface Replace ion transfer
capillary
If ion transfer capillary
bore is corroded
Finnigan Ion Max API
Source Hardware
Manual
PhotoMate light
source
Replace VUV lamp If lamp fails Finnigan Ion Max API
Source Hardware
Manual
Q0 ion guide Clean Q0 quadrupole
and intermultiple lens
L1
2
As needed
1
Page 4-28
Q1 ion guide Clean Q1 octapole and
gate lens
2
As needed
1
Page 4-28