Thermo Finnigan LTQ - 6.3 Replacing Power Supplies

Diagnostics and PCB and Assembly Replacement
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________________________________________________________ Replacing Power Supplies
_______________________ Finnigan LTQ Hardware Manual ______________________
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6.3 Replacing Power Supplies
The following power supplies are easily accessed from the front of the LTQ.
See Figure 6-3.
• PS1 power supply
• PS2 power supply
• 300 V power supply
• 8 kV power supply
To replace the PS1 power supply (P/N 97055-60014S), PS2 power supply
(P/N 97055-60015S), 300 V power supply (P/N 97055-98001), or the
8 kV
power supply (P/N 97055-60033), proceed as follows:
1. Shut down and vent the system as described in the topic Shutting Down
the System Completely in the System Shutdown, Startup, and Reset
chapter.
2. Open the right front door of the MS detector by loosening the Allen screw
on the right door with an Allen wrench.
Figure 6-2. Power supplies
300 V Power
Supply
PS1 Power
Supply
PS2 Power
Supply
8 kV Power
Supply
CAUTION. Make sure that the LTQ power cord is unplugged before you
proceed.