In this video Adrian cleans up the camshaft / pushrod rollers and shows me how to install and adjust them. After that we replace the regulator springs in the oil pump to bring the oil pressure back up. Low oil pressure in a Detroit Diesel can be caused by these springs getting too weak and releasing oil pressure early. We also found a secondhand deepbelly sump pan so we have started measuing things up to modify the oil pump pickup. The deep oil pan is important to have in a boat due to the angle the engine sits on (9 degrees) and the rolling of the boat at sea.
After than Adrian shows us all the parts of a Detroit Diesel unit injector and how they work. He then pressure tests and test fires a complete injector using the factory tool and tests an injector tip using a tool he made himself from the ejector seat handle from a Harrier Jump Jet. Gotta love this guy. :)
We also press new little end bearings into the conrods and send them off to be machined to match the gudgeon / wrist pin.
Finally we clean up an old emergency shutoff flap that I was given my a friend Andrew and get it ready to go on the boat.
Lots of other little jobs happen this week too such as brazing a much more compact raw water pipe system, making a new washer plate for the forward port engine mount and adding orings to the anodes to stop them vibrating lose etc, etc...
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