Replacing The Instrument's Fuses - Waters Xevo TQD Overview And Maintenance Manual

13. Use the small Phillips screwdriver to fit and tighten the repeller
electrode retaining screw.
14. Insert the UV bulb into the lamp drive assembly and push it fully home.
15. Fully retract the lamp mounting shaft from the source enclosure.
16. Refit the lamp-assembly collar-cover, and secure it on its base with the 4
screws.
17. Refit the lamp assembly cover, and secure it on its base (2 screws) and
above the bulb extraction aperture (2 screws).
18. Refit the source enclosure release handle, and secure it with the 2
screws.
Refit and reconnect the source enclosure to the machine, refit the corona
pin and probe. Refer to

Replacing the instrument's fuses

Warning:
from the power supply before replacing fuses. The mass spectrometer
has two fuses, and uses double pole/neutral fusing circuitry. Thus
circuits can remain live even when one fuse has blown.
Warning:
and rating specified below, and printed on panels adjacent to the
instrument's fuse covers.
If one or both of the mass spectrometer's fuses blow, the instrument will shut
down immediately. If this occurs, disconnect the power cord from the rear
panel, and replace the fuses, located at the bottom left-hand-side of the
instrument's rear panel, with T10AH250V, 6x32mm fuses.
page 71
To avoid electrical shock, disconnect the mass spectrometer
To protect against fire, replace fuses with those of the type

Replacing the instrument's fuses

for instructions.
March 14, 2014, 715004387 Rev. B 199