Once the oil has drained, replace the drain plug. If not, your problem is elsewhere and requires more extensive troubleshooting. For the 5500 model, that time limit is extended to 150 hours. It turned out to be a loose ground wire and an issue with it getting enough propane. The genset is designed to be used not set idle. The number one thing that causes problems with generators is lack of use or exercise. Don't care much re the warranty, probably not covered anymore anyway.
Gonna mess with it tomorrow if I get a chance, calling for rain here for the next 5 days. Slightly different event this time. I'm a do it yourselfer, but to replace it I believe I read the gen. That is if the area temperatures range from very mild to hot. If you have verified these areas and it still stops, check to make sure you have spark and fuel during the none start condition. This is because heated oil will flow more freely from the drain hole.
If no fuel leaks reconnect spark plug and start generator the local outside switch. With the control box removed locate the ground on the front left wall of the generator box under the tangle of wires. I think we just have some 10W-30 for that. To be exact, you should check your owners manual and see what the manufacturer says. The dealer got it running correctly and then I read the Onan recommendations which I doubt were complied with by the previous owner which resulted in the problems it had. In our case we find we never reach the specified operating hours so the oil is changed annually at the same time we change to engine oil.
Some people here have worked for Onan, and many repaired these old gens for a living. Could the 21 lbs-ft listed in all of the owner's manuals that I could find be wrong, and the 1997 service manual correct? From what people say they'll likely quote you a high repair price and try to talk you into buying a new gen from them at a high profit. If the oil is too thin, then expect to burn a little more over those same time frames. Once they are out, start the generator and let it run for 5 minutes. It caused so many false shutdowns. Flight systems also has some good literature to aid in trouble shooting. How Much Oil Does an Onan 4000 Generator Take When it is time to do an oil change on your Onan 4000 generator, you will not need to buy a lot of oil.
Same goes for the genset, I'm sure I'll run it regularly in the summer but nothing close to 100+ hours. I've read that the newer models have done away with it? You will need to point the air filter away from you to be able to get it over the threaded shaft that holds it in. Now use your fingers and pull off the spark plug boot. When it is time for me to change it, I will update this page. Make sure the gap is set to.
As you remove the old oil filter, make sure to check to see if the gasket came off with it. Next time I need oil I will be running non-Onan brand. Edatlanta - I see you run a diesel, are you happy with the synthetic? In the picture, the air filter is labeled and the starter solenoid is the rusty item below and to the left of the air filter. It shutdown on a trip a couple of weeks ago. Next, remove the wing nut holding the air filter cover on. Finally had some time last week to take a look at the generator again.
Those are fixed but if we have the right oil, thanks to your tips, we should be able to fix it if it shuts off due to low oil. Lay down and look under your generator. That Onan stopped using them. Double check your owners manual to make sure your engine type doe snot take a different one than those listed. On the larger units they were both the same in quality and support.
At best you would probably need to use 1. A tablecloth, tarp, or a patio mat placed on the ground will make things a bit more pleasant. With a photo you can shown him what to do. Tried from inside the cab and on the generator itself. When this happens it could be that you have a carburetor problem.