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To check the internal components of the dosing pump head, follow the instructions above to
remove the dosing pump head and then do the following:-
1. Holding the pump head in the same orientation as it is installed on
the pump, evenly squeeze the top and bottom tabs to remove
the bottom plate from the pump head.
2. Pinch the two ends of the silicone hosing together and pull upwards,
removing the hosing and the rolling wheel assembly. The rolling
wheel assembly contains three rollers which are loose on the
underside of the wheel so be careful not to drop them during
removal. Inspect the rollers, the silicone hosing and the inside of the
dosing pump head for wear. Replace any parts that are worn.
3. Wrap the silicone tubing around the rolling wheel and re-insert
into the dosing pump head, ensuring the two small hosing clips
are re-seated correctly in the assembly.
4. Do not force the pump head back together. If it does not fit back
together correctly, check assembly.
5. To replace the dosing pump head onto the EASI-Dose Plus unit,
ensure the pump shaft sits centrally in the pump head and push
onto the dosing unit, ensuring the clips are aligned left and right.
Gently, but firmly push on evenly until it clicks into place. Check
the pump head is operational by pressing and holding button D
(Manual Feed/+) until liquid is successfully passing through.
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