ABACO MACHINES SVL100, Operation Manual

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5) To clean the check (one-way) valve:
Use a small screwdriver and carefully unscrew the check valve
1
2
Separate the check valve
- Clean by flushing water or wipe out any foreign object from
inside the check valve.
Warning: Do not use any solvent or petrochemicals to clean.
Mind the rubber, not to scratch and to damage. Caution:
3
Sometimes any foreign object may clog the check (one way) valve.
In those cases, fix the problem in the following manner.
4
After confirming that no dust or any foreign object inside
then carefully reassembly the check valve back together.
Tighten the screws little by little diagonally to fit the faces firmly.
Check valve is a critical parts, handle with the best care. Caution: