Bosch Worcester Greenstar CDi Conventional Series - Page 42

I
I
\
\
\
\
6.
\
'
'
REPLACEMENT OF PARTS
REPLACEMENT OF PARTS
6. Gas valve
~ Isolate gas supply at boiler gas cock.
~ Pull out air inlet tube (A).
6.1 ~ Undo top gas connection (B) to gas valve.
6.1 ~ Undo bottom gas connection (C) to gas
valve.
6.2~ Undo two securing screws (D) on the
underside of casing.
~ Pull valve up and forward out of boiler.
~ Disconnect electrical connections.
~ Replace valve with new seals and check
for gas soundness.
Note: The valve will require setting, follow pro-
cedure "Setting the gas/air ratio" in the gas
conversion section.
7. Siphon
7.1 ~ Pull condensate pipe out of the adapter.
7.2 ~ Remove trap from boiler.
~ Clean trap and check that the connection
to the heat exchanger is clear.
~ Fill the condensate trap with approxi-
mately 1/4 litre of water and refit in reverse
order.
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 30CDI/40CDI Coc,ectlocal ~ORCESTER
6 720 614 556a (2007/07)
Bosch Group