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I ordered the tank on Ebay, search for “spun aluminum fuel tanks” It is 7 gallons. I had to drill a hole in the filler neck and install a through hull style fitting for the return line. This didnt work as well as i planned, it really needs to have a bung welded in. If you can find a tank with a...

I struggled with getting my first 531 running until i figured out that the Supertrapp disc/exhaust tuning diffuser was hopelessly plugged with oil and carbon. My experience with Supertrapp exhaust systems was with 4 stroke dirtbikes where you could tune the bike by adding or removing discs from...

I would definitely get a couple spare tires. I had one of the OE 37" tires and runflat inserts grenade on the Grapevine a few weeks ago. It took out the wiring for the lights and almost caught on fire. The tire remains were wrapped all around the axle and it was a major PITA to get it off (on...

I have mine running well now, she still wont start a skill saw or a 9 amp milwaukee grinder from the out put lugs, but it will run them from the convienience outlet. i think my circuit interuptor is bad, now the green light stays on whether its open or closed. The interuptor has no problem...

On my drive back home with the barrels they popped, startled me..

The barrels have a sticker on them that says they are “reconditioned” is that a concern?

Thanks for the tips gentlemen, i will likely be using some of the fuel in a Ram truck with DPF equipped engine so I think ai’ll try to rinse out as much hydraulic as I can. I am surprised to hear that I don’t need to line the drums with an epoxy paint or anything. I have an mmg. 25 USMC genset...

I acquired two 55 gal drums that contained the hydraulic fluid for an elevator that was just installed. Other than rinsing it out, is there anything else I should do prior to filling them with diesel for long term back up generator storage?

yep, I think I will jst buy a new spun aluminum tank on ebay and mount it to top of frame. And or get dieselmeister's parts.

4820-01-480-0846

On page 0029-3 of your linked pdf the part is #15. Don't see an NSN number but maybe its in towards the end. In the maint section it said that you need to torque this thing down and then install the drain cock. Mine just spins, is there a technique to reach inside the tank and hold the other...

yes, I wasnt clear I'm referring to the fuel drain bushing that has the needle valve inside it.

My tank is leaking real bad around fuel shutoff valve, is that part available anywhere? I found the one for the fuel line feed on ebay, but I cant find the one for the valve. (it looks bigger)

Bingo, too much oil, plugged her up. After draining oil, running very nice, removing muffler and Extensive cranking, blew out the oil and running nicely. Thanks for all the help gentlemen.

What does “wet stack” mean?

Yup, after changing oil (which was full of diesel) runs great now. The hours of trying to start with plugged exhaust must have pumped raw fuel into the sump. Interesting to note, the spark arrestir is nade by “Supertrapp” who’s main business has been tunable 4 stroke dirt bike exgaust systems...

tILl Problem solved ! ( i think) after lowering the oil level (just noticed that there are 2 dip sticks on this gen, one read full to the line, the (other looked like 3/4.) Anyway i drained some oil and after hours of pull starting and recharging batteries for electric start, re doing the fuel...

well, no beetles but the exhaust valve rocker was a little loose, i drained some oil, tightened up the exhausr valve lash, she tries to start but still no go. I'm suspecting maybe a bad injector nozzle now. the fresh oil is black as coal

When I received my 531, the air filter was soaked in engine oil and there was oil on the air heaters . After I repaired the fuel lines and got it primed, she started righht up and produced good power but she blew liquid oil, water and smoke out of the exhaust for about an hour, then it cleared...

Yes i can hear the fuel pump running, where would i look to see if the return line is pumping? I did change the oil, but again, the generator ran fine immediately after. It wasnt until the next day i tried to use it when it starting smoking real Bad and not starting. It might be a little over...