HACH LANGE TitraLab KF1121, Basic User Manual, Page: 20 / 432

Maintenance menu
Select Maintenance from the main menu.
Syringe activation
Do a check of the syringe. Make sure the syringe fills and empties correctly.
1. From the maintenance menu, push Syringe activation .
Option Description
Fill Fills the syringe with titrant solution. The process stops automatically when the syringe is
full.
Empty to bottle Discards the contents of the syringe into the titrant bottle.
Empty to beaker Discards the contents of the syringe into the beaker. Make sure that the tube from the
outlet port of the syringe is inside the beaker.
Stop Stops the operation.
Syringe replacement
To replace the syringe, select Syringe replacement from the maintenance menu. Obey the
instructions on the display. Refer to Install the syringe on page 8.
Pump activation
This option only applies to instruments with pumps installed. Do a check of the pump. Make sure the
pump fills and empties correctly.
1. From the maintenance menu, push Pump activation .
Option Description
Start Starts the pump. The reagent is pumped through the tubes into the beaker. Make sure that the tube
from the outlet port of the pump is in the beaker.
Stop Stops the operation.
2. Push Toggle to change to the second pump.
Pump cassette replacement
D A N G E R
Electrocution hazard. Remove power from the instrument before this procedure is started.
This option only applies to instruments with pumps installed.
To replace the pump cassette, refer to the illustrated steps that follow and obey the instructions on
the display.
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