Using Other Weighing Methods; Maintenance; Cleaning - Mettler Toledo QLX3 Benutzerhandbuch

Releasing the pressure
The pressure indicator light (1) is on.
Press the pressure release button (2) to release the
pressure.
The status light (1) turns off when pressure is released.
Purging the pump cavity
If bottles containing incompatible liquids (and for which the fumes should not mix) are connected to the pump
one after the other, it is recommended to purge the pump cavity before connecting the second bottle to the
pump.
A dosing head is attached to the dosing or liquid module. The bottle of this dosing head is not connected to
any pump.
A method Automated dosing or Automated solution prep. is running on the terminal.
1 Disconnect all tube adapters from the pump.
2 Connect an empty tube adapter to the right-most air outlet at the front of the pump.
The pump is trying to build pressure and air flows through the cavity of the pump, purging it.
The pump cavity has been purged and bottles can safely be re-connected to the air outlets.

5.2 Using other weighing methods

To use other methods with the balance, move the liquid module to its uppermost position.
For further information, consult the Reference Manual (RM) of your XPR balance.

6 Maintenance

The appropriate maintenance interval depends on your standard operating procedure (SOP).
Please contact your METTLER TOLEDO representative for details about the available service options. Regular
servicing by an authorized service technician ensures constant accuracy for years to come and prolongs the
service life of your instrument.

6.1 Cleaning

NOTICE
Damage to the instrument due to inappropriate cleaning methods
If liquid enters the housing, it can damage the instrument. The surface of the instrument can be
damaged by certain cleaning agents, solvents, or abrasives.
1 Do not spray or pour liquid on the instrument.
2 Only use the cleaning agents specified in the Reference Manual (RM) of the instrument or the
guide "8 Steps to a Clean Balance".
3 Only use a lightly moistened, lint-free cloth or a tissue to clean the instrument.
4 Wipe off any spills immediately.
For further information on cleaning a balance, consult "8 Steps to a Clean Balance".
QLX3 liquid module
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u www.mt.com/XPR-analytical-RM
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