20
2000225117B
Diagram 8.5
8 Servicing
Note: When replacing the fan access door make sure the lip at
the top of door fits into and behind the slotted bracket located at
the top of the boiler.
Refer to diagram 8.7.
Remove the electrical connections from the fan by pulling the
insulation boots only.
Disconnect the two air pressure tubes from the air pressure
switch and the red air pressure tube from the fan taking note of
their positions.
Remove the flue hood and fan assembly by sliding back to
disengage the retaining lugs then lift up.
When replacing the flue hood ensure that it rests on the guides
and that the rear of flue hood is located under the pegs at the
rear and pushed down and back fully.
IMPORTANT: When re-fitting fan check that it fits fully into the
flue duct extension piece.
COMBUSTION
CHAMBER COVER
IGNITION, SENSING &
EARTH LEADS
GROMMET
Diagram 8.6
0886
WING NUT
SELF
TAPPING
SCREWS
(3)
Diagram 8.3
ELECTRICAL
WIRE
RETAINING
CLIPS
CONTROL BOX
SUPPORT
BRACKET
SECURING
SCREWS (4)
FAN
ELECTRICAL
CONNECTIONS
AIR
PRESSURE
TUBES (RED)
Diagram 8.7
11829
AIR
PRESSURE
SWITCH
FLUE
HOOD
AIR PRESSURE
TUBE (CLEAR)
Diagram 8.4
BOTTOM PLINTH
PANEL
SECURING
SCREWS
11838
