Technical information

53
1
8.6.8 Removing the pump
1
.
C
arry out step
1
8.2.1
;
2
.
O
pen the electrical box cover as in step
1
8.3.1
F
ig. 18.6
3
.
R
emove 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
.
R
eassemble in reverse order.
Fig. 18.66
Fig. 18.67
Fig. 18.68
Fig. 18.69
T3
S
T2
T1
1
8.6.9 Removing the expansion vessel
1
.
C
arry out step
1
8.2.1
;
2
.
R
emove the screw “
U
1
” (
see Fig. 18.70)
;
3
.
P
ull 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