Maintenance and care
PlasmaQuant 9100 (Elite)
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Cleaning the one-piece torch
The torch must be cleaned in case of visible contamination.
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Pull out the spring bolt on the height adjustment and carefully allow the
carriage with the torch to slide down the adjusting rail.
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Remove the fork clamp and remove the spray chamber. Carefully place
the spray chamber to one side.
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Unscrew the torch from the carriage (→ "Cleaning the dismantleable
torch"
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Slightly unscrew the stopper from the gas connection (1).
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Loosen the clamp screw on the torch holder (2) by one turn.
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Carefully pull the one-piece torch out of the holder with a rotating mo-
tion.
NOTICE! The torch may be firmly stuck in the holder. Wear glass han-
dling gloves to grip the torch safely. When pulling out the torch, ensure
it does not become jammed.
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Remove the quartz bonnet from the induction coil.
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Place the glass components in aqua regia for approx. 12 h.
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Rinse the glass components under deionized water (<1 µS/cm) and dry
them with compressed air or argon.
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Push the torch into the holder as far as it will go. At the same time, turn
it so that the gas inlet opening of the torch is centered in the opening for
the gas connection (arrow) of the holder.
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Screw the stopper into the gas connection (1).
NOTICE! The upper edge of the stopper must be flush with the upper
edge of the holder. Do not screw it in any further under any circum-
stances.
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Firmly screw the clamp screw (2) into the holder. To ensure gas tightness
in the lower part of the torch, the gap between the clamp screw and the
holder must not exceed 0.5 mm in width.