Worcester Greenstar 12i System Instruction Manual page 41

::n.,ORCESTER
Bosch GtCKJp
R
INSPECTION AND SERVICE
--------------------------~
9 9 Rem""• burner (M).
--------.
Small
tab
s
- -
M
N
0
IMPORTANT: IF THE JO I NT
BETWEEN THE AIR/GAS MANIFOLD
AND THE HEAT EXCHANGER IS
DISTURBED THE SEALING GASKET
MUST BE REPLACED.
ltfSTAt.Vil'ION 6 SERVIONG !liSTRVCTlONS FOR WORCESTER GAttNSWol 121 S,~
S,'llcll
871611205!ia(04105}
>
Rem<><O top baffle
(N).
>
Rem<><O baffle (0).
• Remove the two hexagon headed screws (P)
retaining the access
01)'..-ef
(0) on the sump.
• Access the heat exchanger fl-ue ways by
Inserting
the
cleaning brush
(J 7 16 192 3 12)
lhrot>Jh lhe
top
access hole In
tho
casing (R).
• Clean heat exchanger flue
vtatjS
(S) using
the
cleon;ng brush (7 7 16 192 3 12) remov;ng
any debri$ from the access point in the svmp.
..
-
Clean around sealing surface on sump and
replace access cover
(0}.
Using a suitable
container
to
collect water from syphon
conn<::~ctiM
at the base o f the boiiQr flush
heat exchanger with water.
• Re-assemble $!\Suring that the lowet' barfle
(0) ond the top baffle
(N)
ore refitted
correctly.
,. 'v\tlen reo-fating the OOrner ensure that
it fits
centrally within
the
heat exc:nanger and
locatkln tabs are situated in location
hoi~
• Ensure seal fs repl.leed with new seal
and Is correctly fitted.
,. Check the syphon unit for blockage before
refitting to bofer.
,. ReassembJe and c~k c:ombustion as
stated in the ga.s conversion section.
NOTE: To show the heat exchanger more
dearly it 1\as been shown external to the
appliancB
THE BAFFLES (0) AND (N) MUST
BE REFITTED INTO THE HEAT
EXCHANGER AS SHOWN IN 9.
FAILURE TO DO SO MAY RESULT
IN DAMAGE TO THE BOILER
INSPECTION AND SERVICE