Hi there, I have a1917 Lister badged as a "K", but the late David Edgington had doubts about it. Sometime in the last 103 years changes have been made to it. The problem is the combined fuel and oil pump worked by the twin plungers from an external cam on the camshaft.
Somehow it has stopped working. Does anyone have a parts diagram for this pump, showing the set up with the brass plungers, the ball bearing valves in the brass housing, and anything else that will show me how to get the assembly right, please?
Thank you in advance.
Tedly