Ariston GENUS 30 Plus, Installation And Servicing Instructions

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18.6.8 Removing the pump
1. Carry out step 18.2.1;
2. Open the electrical box cover as in step 18.3.1 Fig. 18.6
3. Remove the pump plug from the control board and earth
plug from earth socket “S” (see Fig. 18.66);
4. Remove the pressure relief valve 3 bar as in step 18.6.5;
5. Unscrew the pump nut “T1” and remove the clip “T2” on the
pump volute (see Fig. 18.67 & Fig 18.68);
6. Pull the pump toward you and remove the clip “T3” securing
the pressure gauge (see Fig. 18.69);
7. Reassemble in reverse order.
Fig. 18.66
Fig. 18.67
Fig. 18.68
Fig. 18.69
T3
S
T2
T1
18.6.9 Removing the expansion vessel
1. Carry out step 18.2.1;
2. Remove the screw “U1” (see Fig. 18.70);
3. Pull the expansion vessel toward you and remove the nut
“U2” with a No.17 spanner (see Fig. 18.71);
4. To ensure the easiest access to the hydraulic parts, hang
the expansion vessel on the chassis without removing the
nut (see Fig. 18.72);
5. Reassemble in reverse order.
Fig. 18.70
Fig. 18.71
U1
U2
Fig. 18.72