Franke Consumer Products FF 1800 - Manual (Page 6)

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Standard maintenance and trouble shooting
Replacing the Cartridge
1. Shut off the water supply to the faucet.
2. Open the faucet briefly to relief any pressure inside the faucet.
3. Move the faucet handle to the “OFF” position.
4. Use a the provided allen key to loosen the set screw which is accessible
from the back of the handle.
5. Lift the handle from the cartridge.
6. Find the small notch at the base of the chrome ring cap and carefully pry
up against this to remove the cap.
7. Remove the brass retaining ring.
8. Lift out the cartridge.
9. Ensure that the seats and O-rings are in good condition
10. Remove potential mineral deposits from inside the faucet body.
11. Install the new cartridge so that the central pivots fit into the corresponding
seats.
13. Re-assemble faucet in reverse order.
14. Test for leakage.
Key 2.5 mm
Key 28 mm