29
Section 5
Maintenance
5.2
Power off the instrument
At the end of the working day, deactivate the instrument as follows:
•
Empty the contents of the burette into the titrant bottle; refer to
section 4.8.1, page 26
.
•
Empty and clean the used titration cells with deionized water.
When the instrument is to be deactivated for multiple days or extended periods, perform
the following steps:
•
Clean the burette with deionized water.
•
Seal the reagent bottles with the original bottle closures.
•
Empty and clean the used titration cells with deionized water.
5.3
Clean the burette
Make sure that there are no crystals or other sediments inside the syringe. If such deposits
are discovered, clean the syringe immediately, as this will otherwise damage the plunger.
5.4
Clean the electrode
Rinse the electrode with deionized water in order to clean it. Never use organic solvents to
clean the electrode.
The pH electrode must always be kept wet in a KCl solution when stored. To do this, fill the
protective cap with some KCl solution.
Never store the pH electrode in deionized water.
WA R N I N G
Risk of injury
Before maintenance or repair work is conducted, thoroughly rinse the instrument with deionized
water and make sure that there are no residual chemicals in the tubes and pumps.
Only use genuine replacement parts and accessories.
The instrument must be serviced by the manufacturer's service department at the prescribed
intervals.
5.1
Maintenance schedule
Maintenance task
Every week
6 months
12 months
Check all tube connections for leaks and damage.
x
x
Replace burette syringe
x
Valve block
x
Burette feed tube
x
Burette discharge tube
x
Bottle closure set
x
Summary of Contents for TitraLab
Page 2: ......
Page 30: ...30 Maintenance...
Page 32: ...32 Troubleshooting...
Page 34: ...34 Replacement parts and accessories...
Page 38: ...38 Index...
