MARCO UP Series Pump Disassembly

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Remove the Gears

Using the flat head screwdriver apply some force between two teeth and try to lift the gear. Use the other hand or a plier (usually you don't need it) to take the first gear away.
Remove the second gear.
Remove the key, with the help of the flat head screwdriver: try to raise it from the bottom.
Don't forget to remove the key! If you do, you won't be able to continue.

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