Detailed instructions of this procedure can be found in the Work Instruction
.
Symptoms of a dirty separator:
1. Separator errors.
2. Foam in the separator.
3. Waste pump cannot sufficiently remove the waste from the separator.
13.3 - Level 4 maintenance
The purpose of level 4 maintenance is to carry out the daily / weekly maintenance and replace the pump
tubing, bacterial filters and the Fill nozzle O-ring. After replacing those items, the instrument needs a Fill and
Clean sequence to clean the pipettes. Over a period protein builds up in the Westergren pipettes and needs
to be deproteinized using a strong cleaning agent.
Detailed instructions of this procedure can be found in the Work Instruction
.
13.3.1 - Pump tube replacement
New rinse pump tube assembly
ESRI090902
.
New saline pump tube assembly
ESRI090903
New tube replacement:
1. Open left cover.
2. Pull pump tube slightly downwards and at the same time towards the front of the unit to release the
tube out of the pump plate holder.
3. Remove the old tube from the peristaltic pump rotor.
4. Disconnect the tubing at both ends of the tube connectors.
5. Connect new tubing to both ends of the connectors.
6. Place one end of the tube in the pump plate holder.
7. Pull the new tube over the peristaltic pump rotor.
8. Pull pump tube slightly downwards and at the same time towards the back of the Interrliner.
If the tube is not fitted correctly or is worn the following symptoms can occur.
▪
Liquid flowing back into the container.
▪
First glass tube on the pipette belt is not washed sufficiently.
Note:
The wider bore tube is for the rinse pump.
The narrower bore tube is for the saline pump.
General Maintenance
MRN-164_2-EN Version 2.02 Interrliner
87
