hey guys got my machine running hooked up aux tank and new filter but brown crud and rust in filter any thing i should do other than running fuel thru lines and changing filter again tank looked difficult to remove thanks once again
You could buy something like this (see below) for $30 to carefully inspect the inside of your empty tank. Afterwards you could make a more informed decision.
Klein Tools ET16 Borescope features a 9 mm camera surrounded by 6 LEDs attached to a 10-Foot (3 m) armored gooseneck cable. The digital camera has a USB Type-C (and micro-USB) connection for most Android®
www.homedepot.com
I would expect that removal and complete cleaning will be required, but if there is just some very light rust - spraying the inside of the tank with acid (then flushing repeatedly) might be enough.
If it's just rust put a neodymium magnet with a wire through the center hole and swish it around and you'll get most of it out. Then put a good loop the the end of the wire near the top and leave it in the tank. The loop is so you can later hook that loop and get the magnet out. You can then pull it out from time to time to check for more material.
Here is a link to what I did with my rusted fuel tank on my L185.
in short, it rusted, cleaned it and that caused holes in the bottom, repaired with epoxy coating that lasted 6 years, replaced it with a used one from @007kubotaguy
A few weeks ago I had trouble with my L185 acting like it was running out of fuel. Added fuel tried to start= no go! Took off fuel line into filter and no fuel came out of line. Blew air into line and it cleared blockage so I got it running. A couple weeks go by and same deal. I take tank...