Today all the different Yanmar engine projects saw their completion with the running of the engine for about 20 minutes at the the end of the day. To sum up; The engine had not been started in at least 2 years so I set about replacing all the key parts.
1. I removed the 2 year old diesel fuel from the starboard tank to the port tank and put 5 gallons of fresh diesel into the port tank and used that. The old diesel actually looked OK.
2. I replaced the 4 engine mounts
3. I replaced the oil and oil filter.
3. I replaced the 2 fuel filters and cleaned out the racor filter.
4. I cleaned out the sea water cooling system
5. I replaced the water impeller.
6. I replaced the thermostat.
I could not unbolt 2 bolts on the port fore engine mount so I worked around it. You can see them on the right
I took the water pump impeller out of the housing.
The old one on the right actually looks OK so I will keep it as a spare.
Changing the thermostat was a piece of cake. The most painful part was paying for it.
It is a 160 degree thermostat so it allows the red coolant to flow after that temperature. Here it is at 150 degrees.
Finally here is a video of Al who helped me out starting the engine at the end of the day. He was really helpful and it was handy having a professional there for the crucial part.
At the last moment we had battery problems and I ended up running up to the store for a new battery to be able to start the engine. Last time I used my car battery but that was enough to kill it so i had to run out a second time tonight to buy another battery, this time for my car. I bought a new alternator for it as well so tomorrow morning is going to be a car engine work morning.
Overall I liked the diesel engine to work on and so far the engine I have seems to be quite good. I will wait to align the prop shaft when I launch her but otherwise I will not need to do anymore work on the engine side of the boat. Oh one small thing that I still have to do is install a pressure gauge for the racor. The old one does not work anymore.
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