Before replacing the cartridges power off the unit using the switch on the front panel. Power off the storage and distribution system or turn off the valve on the pressure storage system hydraulic accumulator.
Exhausted cartridges removal.
Remove the cartridges from the holders by turning them counterclockwise.
New cartridges mounting.
Take new cartridges out from packaging, remove the protective caps, place the cartridges in the holders by turning them clockwise until you can go no further.
Flushing.
Flush the new cartridges according to the instructions.