Removal Of The D.h.w. Expansion Vessel; Removal Of The Temperature-Pressure Gauge - Biasi RIVA COMBI Service Manual

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Third Part (edition-0106) Expansion Vessels and Temperature-Pressure Gauge
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4 Removal of the D.h.w. Expansion
Vessel
1) Remove the front and the side panels of the
case.
2) Loosen the screws J (Figure 5).
3) Unscrew the connection K and the lock-nut L
(Figure 5).
J
4) Remove the d.h.w. expansion vessel lifting it
to the left side of the boiler.
5) Re-assemble the parts in reverse order of
removal.
5 Removal of the Temperature-
Pressure Gauge.
1) Remove the front and side panels of the case.
2) Empty the primary circuit.
3) Unscrew the connection M and remove the
probe N (Figure 6).
4) Remove the probe holder spring O freeing the
probe P (Figure 7).
RIVA COMBI SERVICE MANUAL – REV A
K
L
Figure 5
M
N
Figure 6
5) Squeeze the tabs R to release the
temperature-pessure gauge Q and remove it
(Figure 8).
N
6) Re-assemble the parts in reverse order of
removal.
O
P
Figure 7
P
Q
Figure 8
R
11-2