SERVICE AND SPARES
Greenstar Ri Compact 6 720 646 610 (2013/12)
42
COMBUSTION AIR INLET AND GAS PIPE DISCONNECTION
1. Rotate the combustion air inlet pipe anti-clockwise to release from the
fan assembly and pull away from the fan.
2. Undo the top gas pipe connector at the gas valve.
Fig. 88 Combustion air inlet pipe removal
FAN REMOVAL
3. Rotate the exhaust pipe anti-clockwise to gain access to the fan
assembly securing screws.
4. Support the weight of the fan and remove the two screw securing the
fan.
Fig. 89 Fan removal 1
5. Rotate the exhaust pipe clockwise.
6. Pull the fan assembly away from the mount, lift and rotate the fan
towards you. Ensure that the front of the fan clears the left hand front
castellated nut securing the burner housing.
7. Pull the gas pipe off the fan body connection, the pipe is secured by
the interference fit between the pipe and connector.
8. Remove the electrical connector and earth from the fan.
Fig. 90 Fan removal 2
6.8.10 AIR/GAS FLAP VALVE ASSEMBLY
1. Remove the single screw securing the air/gas flap valve assembly.
2. Pull the flap assembly away from the housing.
Fig. 91 Air/gas flap valve
6.8.11 IGNITION TRANSFORMER
To remove the ignition transformer
▶ Isolate the mains electrical supply to the boiler.
▶ Remove the combustion air inlet pipe.
▶ Ensure that the harness wires are disconnected from the transformer.
▶ Remove the electrode cables.
▶ Lift the transformer from the retaining clip.
Fig. 92 Ignition transformer
6720646608-84.1W
o
1.
2.
6720646608-85.1W
o
3.
4.
6720646608-86.1W
o
5.
6.
7.
6720646608-87.1W
o
1.
2.
6720646608-88.1W
o
