Hi. My boiler is on the blink.
Recent History is that 1) it ran out of oil and got airlocked. 2) fixed airlock by bleeding through the pressure gauge port (wrong place I know) and got boiler going. Ran for a week and then locked out again 3) Noted water leaks leaking water on top of air supply siphon thingy so replaced safety valve and pipes in water circulation. 4) Noted a little oil leak in supply pipe - fixed 5) Still fails to restart, I have bled again through supply guage port this time.
I think the pump is failing to build up the required head of pressure. When I go through the restart sequence with the pressure gauge port open oil flows out under gravity pressure until pump kicks in, then the flow stops completely - I think it should come out under 4 Bars pressure at this point.
I think I probably have damaged the pump thru repeated restarts.
However, Driven by frigid conditions and non availabilty of engineers at the weekend - I got it going again with a few well timed and well aimed blows to the pump during the restart sequence to try and jolt it into action.
No doubt it will fail again shortly and I'll get it fixed properly then. But for now, we're warm again.
Robert
April 2008
it should come out at 8 bar pressure.....
if you have repeatedly run your pump dry you may have damaged it, get an oil technician to replace, as you need a pressure gauge and fga to reset up your boiler/burner...
Ask him to show you how to bleed an airlock at your burner while he is there, most will show you how (i prefer my customers to know how to do it right)
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