So now that we know more about our fuel gauge, it is time to bleed the Perkins.
I've just read the workshop manual and it seems way too complicated. It talks about unscrewing
- the vent plug on the fuel filter
- the head locking nut on the side of the fuel injection pump
- the air vent screw near the top of the fuel injection pump
- the pipe union coupling at the fue injection pump inlet
- the unions at the atomizer end of the high pressure fuel pipes
and then pumping fuel until no air bubbles come out.
Since we have the electric fuel pump in series with the fuel lift pump it sure seems like running it for a while should clear most of the air out of the system with the possible exception of the last part, the high pressure fuel pipes.
I've read on some diesel forums that you can also run a diesel of WD-40 (into the air intake) to lubricate the pistons while priming the system. Is that really a good solution ? I guess the WD-40 will burn just fine and drive the engine but it seems too simple.
After fixing the manual pump tomorrow (at least ordering the part :-( ) I need to get the fuel system bled so we can calibrate the fuel gauge and fill the tank back up to head for Moss Landing and MBARI. Insights are appreciated, as usual !