178 Instruction Manual QuickTOC
®
ultra
IECEx 12E5119
8 Care and Maintenance
8.5 Perform Care Actions LAR | PROCESS ANALYSERS AG
8.5.16 Clean Sample Pump
Precondition: - Sample pump is contaminated.
1. Open the pump head.
2. Take the tube from the sample pump.
3. Use a paper cloth and a little water to clean the pump rollers.
4. Whilst cleaning the rollers, rotate them by hand so that everywhere can be cleaned.
5. Insert the pump tube back in.
6. Close the pump head.
8.5.17 Adjust Sample Pump
Precondition: - Sample pump not adjusted correctly.
1. Open the pump head all the way (the cover must be vertical).
2. Turn the adjustment wheel on both sides (left and right) so that the setting value is 3.2 or 4.8
depending on the tube used.
Fig. 122: Sample pump Adjustment
Warning
Reduced delivery rate of the pump
Deviating settings can cause poor pump performance and incorrect results.
Adjust the pump head according to the application and to the correct hose dia-
meter.
Adjustment
wheel
Tube diameter
Wall thick-
ness
!
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