Ariston System A 30 RFF Boiler User Manual


 
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18.3.6 Removing the pressure relief valve
1. Carry out step 18.1.1 and 18.3.1;
2. Remove the clip securing the valve (see Fig. 97) and
pull it toward you;
3. Reassemble in reverse order; take care to ensure
the valve is in the correct position;
Fig. 97
18.3.5 Removing the pump
1. Carry out step 18.1.1;
2. Lower the electrical box cover as in step 18.1.2;
3. Remove the PCB cover;
4
.
R
emove the pump plug from the control board and
earth plug from earth socket (see Fig. 93);
Fig. 93
Fig. 94
Fig. 95
Fig. 96
S2
S3
4. Unscrew the pump nut (see Fig. 94);
5. Remove the clip S2 on the pump volute (see Fig. 95);
6. Pull the pump toward you and remove the clip S3
securing the pressure gauge (see Fig. 96);
7. Reassemble in reverse order.