7. Maintenance and Cleaning
7.4 Preventive Maintenance Plan
7.4.1 Daily
• Perform Rinse Night with distilled water.
7.4.2 Weekly
• Perform Rinse Night with distilled water.
• Check the liquid filter(s) in wash bottle(s) for particles and rinse liquid filter(s)
with water.
7.4.3 Every Six Months
• Clean the plate support guide bar with 70% ethanol.
• Check the centering mechanism of the plate carrier and clean if necessary
with 70 % ethanol.
• Clean the Manifold aspirating and dispensing needles using the cleaning kit
supplied with the instrument.
7.4.4 Yearly (Service Engineer Required)
• Save the customers specific programs using the Winwash software.
• Disinfect the instrument. (See 7.6 Instrument Disinfection)
• Replace all aspirating and dispensing tubings.
• Replace the liquid filter(s) in the wash bottle(s).
• Replace the manifold sealing and clean the inner parts of the manifold.
• Check the aspirating pump and replace if necessary.
• Recalibrate the dispensing pump.
(See Columbus Technical Manual - chapter 3)
When using the reader, use the Windows based
QC-Col Software to check
quality control test dispensing and aspirating accuracy.
• Download the specific saved programs to the washer.
May 2003 Instructions for Use for Columbus Washer No. I 109 006 Rev No. 2.2 7-9
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