Savio 20/1 MFS User Manual page 38

Servicing instructions
Removing the plug
1 Remove the d.h.w. heat exchanger;
2 slacken the automatic air release valve
3 remove the fork;
4 use a screwdriver to pry between the shell and the air release
valve at a number of different points;
5 lift the plug and the valve upwards.
Installing the plug
1 Install O---rings " A"and " B"on the grooves in the plug;
2 install O---ring " C"into the upper flaring of the bellows;
3 insert the plug by rotating it until the fork can be installed;
4 insert the fork " D" .
To reassemble correctly the O---rings look at the diagram in sect.
6.35 at the end of this chapter.
Disassembling the d.h.w. heat exchanger
1 Remove the d.h.w. heat exchanger from the appliance;
2 remove the internal conveyor " A" ;
3 remove the plug as previously explained;
4 remove the O---rings from the plug;
5 use the plug to push the bellows from the bottom of the shell;
36
rev. 17.09.93
Automatic air release
valve
fork
shell
A
B
C
D
A