water is leaking from my triton biarritz?

hello all.i have recently had the council reps in to update my bathroom.they temporarily removed my triton biarritz 11.they have now put it back on the wall but it is leaking badly now they say its the filters need cleaning/deliming BUT they refuse to fix it.does any one know how to this going into a bit of detail i.e. where the filters are how to get to them etc please.i am a single woman on benefits and can't afford to pay or replace this.thank you