Finally got to the bottom of the problem , turns out it's the small Oring seal on the bottom of the Selanoid plunger all sorted now back up and running , thanks again both of you (Burnerman & Oilhead) for your help muchly appreciated
I think I have found the problem and it was also backed up by Worcester bosch service technician who I called this morning, I had a suspicion that it could be the mechanical che k valve located in the Nozzle assembly tube , I explained my problem to him and I also suggested that the check valve...
Yes I actually have two control boxes Honeywell DKO 970 & Bentone TF 832.3 which both work fine but just to make sure I bought a new on the other day to try and no difference whatsoever so took it back
Also replaced the selanoid and again I have another and two selanoid plungers
New nozzle...
Hi John thanks for your reply
In regards the electrodes I have set them to the handbook 2.5mm spark gap , set 2mm away from the end of the nozzle and 10mm away from center of the nozzle
I can crank the oil pressure right up on the pump and it doesn't struggle to run at 150 psi
The problem...
Hi all , I'm hoping that someone could shed some light on a frustrating problem I have with the oil pump on a Worcester bosch heatslave 12/14 , it seems there some reason that on initial fire up from lockout, the start up sequence dose not operate in the correct order ?,
If I'm right...