Maintenance
Dismantling and Cleaning Procedures
10-10
Prima PRO & Sentinel PRO Mass Spectrometers User Guide
Thermo Fisher Scientific
6.
Use diamond or other suitable abrasive paste to polish the
surfaces of the magnet pole pieces and the Z-restrictor. Pay
particular attention to the rectangular slot in the Z-restrictor.
7.
Final clean as follows. If possible, use of an ultrasonic bath is
recommended.
a.
Wash off all traces of abrasive pastes according to type.
b.
Use deionised water for water soluble pastes or recommended
solvents as per manufacturer’s instructions.
c.
Final rinse with clean isopropyl alcohol or a similar solvent.
d.
Dry thoroughly, preferably in an oven at 100°C for one hour.
8.
Visually inspect the magnet pole pieces for any remaining
contamination, and repeat steps 6 and 7 if necessary.
9.
Refit the rear magnet pole piece and Z-restrictor.
10.
Refit the front magnet pole piece, taking care not to dislodge the
Z-restrictor.
11.
Lift the magnet / coil yoke assembly back into position. Engage
the threaded bolts into the threaded hex pillars, and use the
ratchet spanners to evenly jack down the assembly.
12.
Reconnect the coil and search coil wires to the magnet power and
control PCAs.
Maintenance Hazard! Qualified Personnel Only!
Before
changing a fuse, isolate the instrument from the mains power supply
and read the safety instructions provided in
Fuses fitted are one of two body types. See
and
Figure 10
–11.
ATO (low voltage DC supplies only)
Fuses
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