ThermoFisher Scientific Wellwash 4, Service Manual

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Chapter 7: Maintenance
Thermo Scientific Wellwash
®
4 Mk 2 User Manual Rev.2.3, Cat. no. 1507340 47
2. Prime the unit with distilled water from the wash bottle.
3. Lift the wash head and fill the prime tray with glutaraldehyde solution.
4. Aspirate the prime tray using the wash head, and then reprime the prime
tray with distilled water.
5. Remove the plate carrier and the wash head and place into a glutaraldehyde
solution for 24 hours.
6. Empty the fluid containers.
7. Switch OFF the power and disconnect the mains supply cable.
8. Decontaminate the outside of the unit using a wad of cotton wool soaked in
70% alcohol.
9. Place the entire instrument into a large plastic bag. Ensure that the reagent
containers are disconnected and open.
10. Place a wad of cotton wool soaked in 10% formaldehyde solution into the
bag. Ensure that the wad does not make contact with the instrument.
11. Close the bag firmly and leave the instrument in the bag for at least
24 hours.
12. Remove the instrument from the bag.
13. Clean the instrument using a mild detergent.
14. Remove any stains using 70% alcohol.
15. Take the plate carrier and the wash head out of the glutaraldehyde solution
and rinse with distilled water. Reposition them on the unit.
16. Flush the fluid path of the instrument with deionized distilled aqua using the
priming procedure.
17. The wash heads can be sterilized in 70% ethanol.
18. Also, wash and decontaminate the wash, rinse and waste bottles.
7.4 How to pack for service
When you ship the instrument for service, remember to:
•
Inform about the use of hazardous materials.
• Decontaminate the instrument beforehand.
•
Screw the transit screws into the bottom of the instrument to the correct
shipment location.
•
Pack the instrument according to the enclosed packing instructions
(Section 7.4.1).
•
Use the original packaging to ensure that no damage will occur to the
instrument during shipping. Any damage will incur additional labor charges.
•
Enclose a dated and signed Certificate of Decontamination (Appendix B)
both inside and attached to the outside of the package, in which you return
your instrument (or other items).
• Enclose the return authorization number (RGA) given by your Thermo
Fisher Scientific representative.
•
Indicate the fault after you have been in touch with your local Thermo
Fisher Scientific representative or Thermo Fisher Scientific’s service
department.