IDEAL HE15 Installation And Servicing page 36

53 FAN REPLACEMENT
1. Refer to Frame 51.
2. Remove the boiler front panels and inner
sealing panel. Refer to Frames 44 and
45.
3. Unscrew the gas pipe union connection
to the injector housing.
4. Unscrew and remove the screw retaining
the fan mounting bracket.
5. Remove the fan and venturi assembly.
6. Disconnect the electrical leads from the
fan.
7. Remove the 3 screws and remove the
venturi assembly, noting the orientation
of the venturi in relation to the fan body.
8. Transfer the venturi assembly to the new
fan, replacing the gasket if evidence of
damage or deterioration is visible.
9. Fit the new fan / venturi assembly.
10. Reassemble the boiler in reverse order,
taking care not to over tighten the screw
on the fan mounting bracket.
11. Check the operation of the boiler. Refer
to Frame 51.
54 BURNER REPLACEMENT
1. Refer to Frame 51.
2. Remove the boiler front panels and inner
sealing panel. Refer to Frames 44 and 45.
3. Remove the fan assembly. Refer to Frame
53 (no's 3 to 6.)
4. Remove the 6 fixings securing the burner
(the 3 screws at the rear are extended to
ease access).
5. Lift off the burner from the combustion
chamber.
6. Fit the new burner, replacing any damaged
or deteriorating sealing gasket.
7. Reassemble in reverse order.
8. Check the operation of the boiler. Refer to
Frame 51.
Note. Take care not to disturb the burner
earth pins at the front and rear of the
combustion chamber. (burner earth
pins are at the front only on the HE30
and HE36)
36
SERVICING
6
4
4
Orifice plate
Gasket
7
mxhe7748
HE24 shown
mexico HE -
Installation & Servicing
3
5
6
burner
earth
pins