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9 Maintenance / disposal
9.1 Cleaning the dispense head
•
After disassembly, the liquid channel of the dispense head must be flushed with
ultra pure water or a suitable flushing medium.
•
In the case of hardening, adhesive and clumping chemicals, we recommend
flushing the entire delivery line with ultra pure water or a suitable flushing
medium after each use.
•
If necessary, wash the dispense head from the outside with ultra pure water or a
suitable rinsing medium.
9.2 Dispense head maintenance
The following checks must be carried out regularly, at least monthly, in addition to the
checks during assembly:
Component
Testing
Dispense head
Check regularly for discoloration and damage.
Check valve
Regular functionality check.
O-rings on the
dispense head
Regularly check for wear and tear and replace if necessary.
Electrical
conductivity
For CD version, check conductivity regularly (may change due to
exposure to chemicals).
O-ring on check
valve
Regularly check whether the check valve seals completely.
Dispense head
Regularly check the connections for proper screw connections.
9.3 Returning dispense heads
1. Disassemble the dispense head (see Section “8.1”).
2. Clean the disassembled dispense head (see Section 9.1).
3.
Request a decontamination certificate from AS Strömungstechnik.
4.
Return the completed decontamination certificate to AS Strömungstechnik.
»
If the decontamination certificate is not properly and completely filled out,
there will be no credit provided or repair. A disposal cost will be applied. It
is important to fill out the form for the safety of our personnel as well as the
safety of logistic providers.
