Saturday, November 18, 2006

Skoolie Fuel Tank Removed

In preparation for the installation of the heat exchanger, we removed the bus fuel tank. This was quite a chore, since it's been sitting in the elements for quite a few years, and the bolts and accessories were a bit rusted. Today we will clean up the tank, install the heat exchanger, and reinstall the tank. We will also install some of the electrics for his bus, including the shore power charger and transfer switch, the isolator, and the freshly rebuilt 150 amp alternator that Scott's Auto Electric rebuilt yesterday. It needed brushes and diodes, and Jim Scott cleaned it up nicely.

The engine is a CAT 3208, and when we are finished, will have 2 fuel tanks feeding two filters (the veggie tank and filter heated with coolant), then a manual 3 port valve. That valve will lead to an electric purge/lifter pump, then the bus injector pump. The return from the injector pump then leads to a sight glass, another 3 port manual valve, and then the fuel tanks. Total cost on the parts id projected to be less than $800.

Luray, Melvin, and Tim Martin are providing the parts and welding up the filter and the heat exchanger assembly. The fuel pickup line is mounted to the exchanger to ensure that the fuel picked up is hotter than the rest of the tank, preventing the need for the whole tank to be hot before switchover. We will provide photo's as we progress.


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