Worcester Greenstar 12i System Instruction Manual page 40

INSPECTION AND SERVICE
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INSPECTION AND SERVICE
4 RGtnove eloctrlcal oonooctoc' from fan.
6 Undo aOO (00\0Ye securing nut (H) from the
tcp of the heat exchanger.
6 •Remove retaining plate (1).
7 Rolote fan and air/gos
man~old
assembly(J)
around the top of the heat exchanger until
it
stops
at lhe lug.
• Uft lf' assembly ard remcwe from boiler.
a Disconnect spa1 k electrode and flame S(JI\SOr
conooctions
(K).
• Remove clamping plale (L.).
• Remove spark/flame eloctrode assembly
from boiler.
• Remove seal from lhe top of
!he
heat
exchanger.
'NOTE: some earlier appliances have a viewing
mirror which includes the retaini'lg plate.
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