Well! I gave it a good service last night & the fuel filter had been a fuel filter for a very long time, it appears to have completely eradicated (is that right?) the limping & cutting out. Flaming clocks have gone off again though
Also it's got a fuel leak from the top of the tank, I've got the new seal but the locking ring wont budge so I'll order a ring & be rough with this one to get it off.
As for the heater panel, I see what you mean but I can only get one side to release at the top....................maybe more roughness is required