16
1
..
~~~~········~,
. ; ;
...
I
'•
I \
\
\
AI'
'•
'• ,"
~--------------~
16.4
I
REPLACEMENT
OF
PARTS
......
REPLACEMENT
OF
PARTS
16.
Heat
exchanger
~
Isolate
flow
and return valves and drain
the
boiler.
~
Remove
condensate
trap
(see page 42).
~
Remove fan assembly (see page 46).
16.1
~
Remove plastic nut (A) from the base
of
the inner casing.
16.2
~
Remove return pipe at the
bottom
of
heat exchanger.
16.3
~
Remove
screw
at the
top
of
the heat
exchanger (C).
~Unscrew
the
flow
pipe
(D).
16.4
~
Undo
flue connection (E) from
sump
(F).
~
Pull flue pipe up.
~
Remove the heat exchanger.
INSTALLATION & SERVICING INSTRUCTIONS
FOR
WORCESTER BOSCH GREENSTAR
25CDI/30CDI/37CDI/42
co;
~ORCESTER
6 720
613
700a
(2006/11)
Bosch
Group
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