Bosch Appliances 24i junior Boiler User Manual


 
Q
INSPECTION AND SERVICE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 24 i junior/28 i junior
8 716 107 336b (11/05)
40
SERVICING
& SPARES
INSPECTION AND SERVICE
9
L
M
N
0
P
R
9 Remove burner (L).
Remove top baffle (M).
Remove baffle (N).
Remove the two hexagon headed screws (O)
retaining the access cover (P) on the sump.
Access the heat exchanger flue ways by
inserting the cleaning brush (7 716 192 312)
through the top access hole in the casing (Q).
Clean heat exchanger flue ways (R) using the
cleaning brush (7 716 192 312) removing
any debris from the access point in the sump.
Clean around sealing surface on sump and
replace access cover (P). Using a suitable
container to collect water from syphon
connection at the base of the boiler flush
heat exchanger with water.
Re-assemble ensuring that the lower baffle
(N) and the top baffle (M) are refitted
correctly.
When re-fitting the burner ensure that it fits
centrally within the heat exchanger and
location tabs are situated in location holes.
Ensure seal is replaced with new seal
and is correctly fitted.
Check the syphon unit for blockage before
refitting to boiler.
Reassemble and check combustion as
stated in the gas conversion section.
NOTE: To show the heat exchanger more
clearly it has been shown external to the
appliance
THE BAFFLES (N) AND (M) MUST
BE REFITTED INTO THE HEAT
EXCHANGER AS SHOWN IN 9.
FAILURE TO DO SO MAY RESULT
IN DAMAGE TO THE BOILER
IMPORTANT: IF THE JOINT
BETWEEN THE AIR/GAS MANIFOLD
AND THE HEAT EXCHANGER IS
DISTURBED THE SEALING GASKET
MUST BE REPLACED.
Small
tab