How to Easily Replace the Carburetor on a Cummins Onan Generator
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- เผยแพร่เมื่อ 26 พ.ย. 2023
- Replace the carburetor in your Cummings Onan RV QG 4000 generator. It's an easy maintenance job you can do yourself in less than an hour.
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Thank you! Even I (a girl) can do this now!
Nice to see you torquing the bolts! Others just hand tightened and risk snapping them!! Next giveaway?? Onan QG4000 carburetor maybe?? I’m Also going to add a fuel line shutoff close to the carb to empty the carb when finished running to prevent any further gummy problems.
Heck yeah, mechanical engineer here, I understand the importance of properly torquing bolts. And an inline fuel shutoff valve is a super easy DIY that will help protect the carb from exactly what you said which is why these carbs commonly need replaced 👍
I'm glad you're posting regularly again. 😊
Thanks for this! Just ordered my new carburetor. I was going to mess around trying to clean but might as well just replace it. The actual Cummins brand was Onan carb on eBay isn’t too bad.
For the fuel line, a spring style clamp should be used so that as the rubber hose expands and contracts with temperature change, it doesn't become too loose. Otherwise, great job at explaining this process.
Good job, I like the way you explained everything. Glad you came back! Now, I need to look at my generator manual!
Good how to. Best one I’ve seen. Especially because you stated the size of the socket to remove the bolts from the carb. I figured it out blind but it was nice to see. You also explained very well the choke and governor cannot both be closed at the same time. Something I was struggling with when removing the old carb (while the spacer between the carb and the intake manifold was still stuck in place.
I'm glad the video was helpful! I hope yoir carb replacement went smoothly
Thanks for this Video. I figured out that the Carb was bad and this Video helped me. Most of it was pretty obvious, but your little tips and suggestions really helped me. RV Generator will now start and run without Starter Fluid !! THANKS.
I loved the detail and up close shots for this replacement. You rock. Nicely Done!
Best video on this I've seen. Thank you.
Really satisfying to watch, great video.
Great to have you back! Keep those videos coming.
Great video. Thanks for taking the time to make it and to share it!
Thank you thank you. If the engine still wants to shutdown, check the Hertz with a Kill o Watt meter. Simple throttle adjustment to achieve the 60Hz
Thanks for the tip! I've dialed in the governor and the Hz reading is right in line with what the manual suggest at various loads.
I (well ,the repair shop) replaced my carburetor since it would not run for more than 30 minutes. After the new carburetor, the generator would run for 3 to 4 hours and then shut off. Took it back to the shop and they found that the fuel pump was full of solids. After the fuel pump was replaced, the generator has not had any issues. @@FateUnbound
Nice work, David! Good thing you could fit your hands in there to work in that tight space.
You're awesome! My generator has been having the same problem, I've also been meaning to replace the carb. This is a super helpful video!
Thank you for this excellent, easy to understand video.
I have a suggestion to make to prevent the wing nut that holds the air filter cover from unscrewing and moving and damaging expensive parts that are complicated to replace.
Simply add a 1/4 self-locking nut after the wing nut.
It great to see ya all are back😊😊❤
We fought generator issues (QG5500) all summer on a 7mo trip out west, New fuel pump, Plugs, Oil level changes, Insulating fuel lines, Removed and cleaned carb, Ordered new carb,. Before installing the new carb I added a second fuel pump near the gas tank. The second pump fixed all my issues and the generator now runs better than it ever has. Prior to installing the second pump it would rev up and down, especially under load and may run 1-2 minutes or may run 30-40 min, or may not start at all, and never without priming first. After adding second pump it runs smooth even with AC starting and stopping. I can now run both AC's and the Microwave and the generator never stumbles. If this doesn't fix your issues and a second pump near the gas tank.
Definitely helpful, as I have the exact same generator.
Well done, thanks.
Great video! Thanks!
Thank you!
Sounds good!
Nice job Thanks
Did you keep the dog??
Update video coming for that very soon 😉
@@FateUnbound thank you!
Looks like the new dog will be another family member. As for Sweetie, they should teach her Karaoke. She could sing "Werewolves Of London" by Warren Zevon. 😊
Thank you for sharing.
At certain times of the year that I know my generator won't run through a tank of gas for a month we put fuel stabilizer in the tank. Gasoline will foul up everything quickly. Just running the genset once a week wont do anything to prevent fuel in the tank from going bad.
Great video.
Any idea where to source the three gaskets? I need a new set.
When you are traveling how do you have packages delivered? I assume Amazon locker, but what if you had to order from Lippert, etc?
Nice Video, thanks. Why didn't you install a gas shut off valve? A cheap $10 fix that maybe would have avoided this repair?
I'm surprised these things still have carberators and not EFI, like our cars and trucks.
It's all about cost. Carburetors are much cheaper to manufacture than a fuel injected small engine.
Wiring diagram for onan 2800
I have an Onan 4000 Generator in my toy hauler, how do I figure out which carburetor I need to buy…
There should be a sticker towards the bottom of your generator when you take the panel off that reveals the engine. It'll show what your generator part number is, like 4KYFA26100R, or something like that. The carbeurators on Amazon should specify which generator they're for and find one with the same number as yours.
what model # is your generator ???
Are you sure that disgusting air filter was not choking the carb and causing a rich mixture?
So you’re her maintenance man, what do you get out of this relationship now?
HELLO Cane Across your p&age on TV I Enjoyed I have a pooch planning on adventure travel with pet Enjoyed your Guidiance B bless 4:02 😢😮😮