Secondary
Heat Exchanger
Pipe Connecting Clip
Fan Spigot Outlet
Pipe Clamp
| Elbow |
Fan Spigot |
|
Outlet Pipe | Fig. 73 |
|
Outer Drum
Boiler Return Pipe
Heat Exchanger
Return Pipe
12.0CHANGING COMPONENTS
12.23Secondary Heat Exchanger (Fig. 73)
1.Drain the primary circuit
2.Undo the four screws securing the right hand case panel. Remove the panel.
3.Prise the connecting clips from the heat exchanger return pipe and the boiler return pipe. Remove the pipes.
4.Slacken the screws on the fan spigot outlet
pipe clamp. Ease the clamp to the left. Undo the screw at the left hand end of the pipe.
5.Remove the nut securing the elbow to the secondary heat exchanger. Draw the elbow and outlet pipe forwards.
6.Remove the secondary heat exchanger from the outer drum by easing it forward.
7.Reassemble in reverse order of dismantling.
Ease Fan Spigot Outlet
Pipe Clamp Inwards
Fan Spigot Outlet Pipe
Fig. 74
12.24 Flue Overheat Thermostat (Fig. 74)
NOTE: The flue overheat thermostat includes a reset button. Check that the thermostat will not reset before replacing.
1. Remove the fan spigot outlet pipe from the fan and elbow.
2. Pull the two wires off the terminals on the flue overheat thermostat. Unscrew the thermostat from the adaptor in the outlet elbow.
3. Reassemble in reverse order of dismantling.
Overheat Thermostat
38 | Publication No. 5111811 |
