WI-191 Weekly maintenance
Work instruction Number 258
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Page 1 of 3
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Purpose: Weekly maintenance
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Safety: Bio Hazard area
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Instrument: Interrliner
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Revision: 001, 2019
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PDF-version
Clean Fill nozzle
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4.
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Clean fill nozzle
The use of a toothbrush and detergent is recommended.
- Carefully scrub the fill nozzle inner part.
- Use a tissue to dry the fill nozzle.
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Clean waste separator
Removing
Cleaning
A. Clean all parts with hot water and a brush. B. Use some acid free vaseline on the screw-thread of the glass jar, the top rim of the glass jar, the O-ring for the HEPA filter and the black PVC pipe on the back.
Replacing
C. If applicable replace the bacterial HEPA filter (For Maintenance Level 4: Exchange filter QWLV040002)
Check sensors
- Check Fill stop sensor: Click the Check button, the OK sign is shown if the sensor value is in range.
- Check temperature sensor: Value must be equal to the actual room temperature near the pipette belt.
The value can be set in tab . - Check Diluter start sensor: This sensor is only used in EDTA mode. If the diluter does not start during the aspiration, the status of this sensor must be checked.
Click the Check button, the OK sign is shown if the sensor value is in range. - Check Diluent flow sensor: This sensor is only used in EDTA mode. When activated, the indicator Stand-by is activated and the indicator Flow is not. When the button Test is clicked, the indicator Flow must be shown as "activated". After finishing the test, both indicators must be shown as "activated".
- Check Separator sensor: Click the Check button, the OK sign is shown if the sensor value is in range.
- Check Flow sensor: Click the Check button, the OK sign is shown if the sensor value is in range.
- Check Measure sensor:
Clean sensor first before executing this function. Click the Check button, the OK sign is shown if the sensor value is in range. Press the button . The pipette currently at the measure position will be measured. The results are displayed in graphical form:
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Measure head start position correct
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Measure head start position wrong
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When a test pipette is installed at the measuring position the result of the test pipette is displayed in the field "ESR (mm)".
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When the sensor is out of range and a red "X" is shown, the sensor values can be checked by turning on the service mode.
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Inspect or replace sample probe or outer needle
Inspect needle condition. If necessary replace the sample probe or outer needle.
Check and clean instrument
Prepare disinfectant: (if not already prepared). This disinfectant is for cleaning of all external parts that are exposed to blood.
- Go to tab and perform the procedure.
- Check system for leakage.
- Inspect the peristaltic pump tubes and connections for leaks.
- Check that liquid does not run back after the pumps have stopped.
- Clean the outer needle with disinfectant
- Check tubing from the syringe for trapped air bubbles.
- Check Diluent syringe for trapped air bubbles.
- If trapped air bubbles are found, go to tab click button and perform the function.
- Wipe outer surface and stainless steel plate below the pipettes with disinfectant.
- Check (or replace if needed) two drip trays (ESRI010318)
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