Hello jean,
please try to write in english - its the best option to become
help I tink.
Iam also not a native english speaking man, but I try it.
Your injection pump becomes oil from engine oil pump, there is a small pipe from injection pump to the frontside and then the right side of your engine.
View attachment 1929
How long the engine is not started bevore? What diesel do you use? Diesel with bio parts can be a problem.
Have you replaced the filter and then bled the system?