Dismantling The Instrument; Replacing The Dispensing Cartridge - BRAND Dispensette TA Operating Manual

Warning! The cylinder, valve, telescoping filling tube, dispensing tube, and recirculation valve and
recirculation tube if present, are full of reagent! For this reason, always perform a standard
cleaning before dismantling the instrument. Follow the safety instructions (see page 26)!
Note:
A function test must always be carried out after dismantling.

Replacing the dispensing cartridge

a) Completely unscrew the safety ring of the dispensing cartridge by hand
and remove the dispensing cartridge.
b) Screw the new dispensing cartridge into the valve block and tighten the
safety ring by hand.
c) Carry out a function check for leaks.
Note:
The dispensing cartridge has been calibrated at the factory. Thus,
calibration after replacement can be omitted.
Rinse the instrument thoroughly before use, and discard the first sample
dispensed. Avoid splashes.
Depending on the application requirements, cleaning for trace analysis is
to be carried out (see page 42).
The dispensing unit must not be disassembled!
Dismantling instrument
41