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Step 4Pre-Filters
On the way from the rear drum to the main fuel tank the hot oil goes through these filters.
These filter housings are available at any hardware store or plumbing supplier.
They contain one-micron nominal bag filters.
"nominal" means the average pore size is one micron. They don't block everything larger than one micron. A lot of multi-micron sized chunks still get through.
The pressure guages on the top are to check when the filters are clogged and need to be replaced.
When there's too much pressure across the filter, it means its clogged.
These filters are in parallel, in other words some oil goes through one and some goes through the other.
Ethan intends to change this so oil goes through three filters in series for finer filtration. He expects his screw on fuel filters in fuel injection system will last longer that way.
They look for very clean oil that won't clog their filters.
Their best oil came from the Falafel fryer at an Arab restaurant.
Chinese restaurants often have good oil.
Oil from frying chicken, any oil with animal fat in it is harder to filter and clogs the filter sooner.
After going through this filter the fuel goes into the main fuel tank. That's the regular stock fuel tank that came with the bus. I don't have any pictures of it. It wouldn't look like anything anyway.
These filter housings are available at any hardware store or plumbing supplier.
They contain one-micron nominal bag filters.
"nominal" means the average pore size is one micron. They don't block everything larger than one micron. A lot of multi-micron sized chunks still get through.
The pressure guages on the top are to check when the filters are clogged and need to be replaced.
When there's too much pressure across the filter, it means its clogged.
These filters are in parallel, in other words some oil goes through one and some goes through the other.
Ethan intends to change this so oil goes through three filters in series for finer filtration. He expects his screw on fuel filters in fuel injection system will last longer that way.
They look for very clean oil that won't clog their filters.
Their best oil came from the Falafel fryer at an Arab restaurant.
Chinese restaurants often have good oil.
Oil from frying chicken, any oil with animal fat in it is harder to filter and clogs the filter sooner.
After going through this filter the fuel goes into the main fuel tank. That's the regular stock fuel tank that came with the bus. I don't have any pictures of it. It wouldn't look like anything anyway.
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