15.1/
I
I
15.4
E
I
I
I
I
I
I
I
I
\
F
,.
......
-----
......
..
REPLACEMENT
OF
PARTS
\
I
\
\
I
I
I
I
I
I
I
I
I
REPLACEMENT
OF
PARTS
15.
Heat
exchanger
~
Isolate
flow
and return valves and drain
the
boiler.
~
Remove condensate trap
(see page 40).
~
Remove fan assembly (see page 44).
15.1
~
Remove plastic nut (A) from the base
of
the inner casing.
15.2
~
Remove return pipe (B) at the bottom
of
heat exchanger.
15.3
~
Remove
screw
at the
top
of
the heat
exchanger (C).
~Unscrew
the
flow
pipe (D).
15.4
~
Undo flue connection (E) from
sump (F).
~
Pull flue pipe up.
~
Remove the heat exchanger.
INSTALLATION & SERVICING INSTRUCTIONS
FOR
WORCESTER BOSCH GREENSTAR 30CDI/40CDI Coc,ectlocal
~ORCESTER
6 720
614
556a
(2007/07)
Bosch
Group
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