The original part number for the fuel filter assembly listed in T.O. 35C2-3-499-1 is 2436210110. The new part number is 2436210120. Please note that although the two filter assemblies look virtually identical, you will need to carve a very small amount of plastic from the new filter to mount it. Also note that you need to be careful how you plumb it in with the fuel lines as if it is done according to the manual, it is backwards and you won't have a functional water trap. Once you look at it, it will be clear. I like using the replacement Robin filter because the result is almost identical with the original and it looks good.
The check valve is not utilized on the 30D36R genset. However, on the civilian (Japanese) model, a check valve is used. I purchased a new check valve in case I decided I needed it, but never used it. You probably know, but Baldow made the frame, generator head and fuel tank and those parts are also readily available. Baldor also makes a very nice wheel set for the 30D36R, which I intend to buy, but haven't yet. I've seen a couple of the military sets with the Baldor wheel kit installed. I also found the correct battery for the genset from Interstate. I had to order it. If you need the battery model, let me know.
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One more question. What is that valve on top of the generator? It appears to be connect via 3 way T off the fuel line. The actual valve sits right by the fuel tank. I notice this valve screws in/out. What is it for?
. I found that electric portion