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Inverter generator break in procedure

Bretny

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Getting a tiny 1kw inverter in a week or two. I read through the manual but they didnt state any break in process becids changing the oil at 4hrs.

How would you break in a small engine like this? Its 40cc 4 stroke

What im thinking about doing is.
30min no load, cool off, 30min small 100/200w load then change the oil, 1hr at 400w then 1hr full load, change oil to synthetic, break in done Il use conventional oil for the break in then switch to synthetic.
 
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gungatim

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when I got my predator generator I read a bunch on break in, some said 8 hrs half load, some said 4 hrs. full load, etc.

I am not sure why you actually need to break it in, it seems to me the engine break in procedure would be the same as any small engine, be it mower, snowblower, pump, etc. which is to say who breaks in their lawnmower?

maybe you need to break in the generator head? but then, would you break in an electric motor?

I'm not saying you don't need to break in a generator, just that I don't really know why.

that said, I did run my generator at no load for about 6hrs to sort of break it in, but really just to see how it ran on propane.

maybe others will post a better reasoning...sorry that isn't much help,, LOL.
 

sberry

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Drive it. Change the oil after a bit to synth and forget about it. Start it on occasion to pull a little fuel thru it and maybe shut the fuel off and run it out if its sitting good long while. Why add 4 or 8 hours of wear for nothing, it can break in under use just as well.
I should buck up and get a small one. I am not a huge small engine guy but do have some. Being the pro you are should be nothing to clean a common carb on any of these. It it isn't forever they come apart, I havnt bought a kit or gasket in decades. I don't "rebuild" I fix whats wrong with it.
I only elaborate a bit due to the constant babble over stuff like this. They were dirty and full of **** and corroded back in the day when gas was gas,,,, hence the millions of kits sold. Alcohol,,, I gave up, quit it with the rec fuel and might get mid grade in my home for a couple points helping air cooled engines a little but,,,,,,,,,,,,,,,,, I really don't notice any better or worse, its more a matter of use. Use it regular, works good, park it doesn't start.
Gas was dirtier back in the day, steel cans, tanks and fittings, home deals got water leaked in them all the time. Today pump gas is highly rotated, weather blended, additive, super filtered, checked for water. Got alcohol to drag any water out. Don't find water in small fuel pumps anymore like we use to. Don't find water in the gas anymore.
But,,,, to clean really need compressed air. On occasion small passages clog, both steel and alum. Often its slowly and the thing works till it doesn't. Often on the second use after sitting it stops, fresh fuel is the enemy and sometimes I run the old out first and then new. But passages clog like artery, starts a little and works tipp it can sudden block.
My neighbor used my splitter. It had sat. He run it all day and brought it back with fresh fuel. Would not start the next day.
Cleaning carbs used to be a part of the trade. Old tractors very similar to small engines. The manual used to say,,, if gasket is damaged replace. Those and other equipment including small engines relied on in real work needed to be field serviceable for **** fuel or when they were filling from dirty cans which was common,,,,, very common. No work would have ever got done if they had to source parts and order every time it wouldn't start,,, most of th9is stuff takes a couple minor wrenches, a screw driver and pair of pliers.
 
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matt_i

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I'd fill it with non-ethanol fuel.

Then fill it with synthetic oil.

Then put it on a job.

If its a reputable engine manufacturer it doesn't need a break-in, imo. The hot-scuff scenario has been well-covered if there's a warranty.

Imo same as buying a new car and then going on a 400 mile highway cruise. I don't see the detriment to this.
 

sberry

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I took a couple apart just out of habit recently, they looked pretty good. So what I mean by this babble is don't worry endlessly,,,, so not worth it. Been there, done it. Once a guy does it the second time even easier.
This is about like all the extra pipe in the ground and constant fear of having to do something twice which is often easier than trying to do it all up front. Biggest thoing is to try to fix mistakes early,,, I know so many people wont back up 5 minutes and then have to cope with error all the way out. Starting a layout isn't the place for the fukkits.
Same for the carb,,, I gotta clean it again a year from now, several on most of it then I gotta do it. After a time it gets easier, can dam near clean a carb on a snowmobile I own while my bud has a smoke. They not all that way and not the first time you do some of them but servicing a small carb is a useful life skill. I don't wanna wait, I don't want to shop, order, I wanna put it right together and use it and last one I need needle and seat for where I had to get something as it was split. I probably got 25 carbs restarted and running since I had to buy a part.
 

M6erfan

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Agree with dont overthink it. Run it for an hour or two to make sure everything works, under various loads, then change the oil. Done.

If storing for more than a few weeks, drain the fuel tank and carb, especially if using pump E10 gas.
 
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Bretny

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Thanks for the info.

I have cleaned many carbs before. That im not worried about. I usualy put away all my summer/fall gas powered equipment with some stabil and E0 fuel. I have had good luck so far. This generator will mostly be living at my property with no power so im trying to give it a fair chance at a long life.
 

The Lazy Destroyer

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For my 3500 inverter I ran for 1-2 hrs, changed oil. Run for 4-6 hours, changed oil again. Did a quick once over on most of the fasteners and hoses to looks for loose stuff or leaks or whatever. I did do a full tank run, about 18-20 hrs but that was just mostly testing the genny with a longer run. I don’t recall if o changed the oil after that run.

First oil change had some metallic sheen to it. Second one looked cleaner with some slight sheen.

I change the oil in mine somewhat frequently, after a weekend of use. But on these small generators the oil is so cheap, and mine the oil change procedure is a snap.
 

metaleltr

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Will inverter generator depolarize if run without a load? Never owned one and not really sure how they work. If this is not a concern I would run it for an hour no load just to make sure everything is in order. Turn it off let it cool and check the oil. I may then restart it and load to about 80-90% just to make sure the generator itself worked right. From there on I’d just use it as normal and changed the oil when needed.
 

CR888

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I'd run it under high load for a tank or two to best seat the rings. Its gas pressure that does this so create as much high load full throttle as you can. Use mineral oil first then after a few tanks dump it and replace it with synthetic if that's what you want. Just don't baby it for the first few tanks.
 

sk farmer

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let er buck! my generator has a gx390 honda and when i got it i had to use it right now. as soon as we had it fired up and checked out it went into service at full load. just as many gensets do in an emergency. from there it was serviced as required. it is not anything i would get worked up about.
 

Git

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Can't imagine not breaking it in...

I bought a Champion Dual Fuel generator earlier this year and followed their procedure:

5 Hours to break in, Don't go over 50% of the running watt rating, vary the load to allow the stator windings to heat and cool down, and then change the oil


Also, this cheap, $10 hour meter works great and was very easy to install
https://www.amazon.com/gp/product/B00A43PKOY/?tag=atomicindus08-20
 

theoldwizard1

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I'd fill it with non-ethanol fuel.
The whole E00 debate is mostly ******** ! E00 left in a tank/carb for too long will gum things up. PERIOD !

The simple solution is

DON"T LEAVE FUEL IN THE TANK FOR MORE THAN () DAYS !
DON"T LEAVE FUEL IN THE CARBURETOR BOWL FOR LONGE THAN ONE WEEK !


When I can FIND E00 fuel, it is about $1/gallon more.
 

ddurrett896

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1) 1 hour no load.
2) change oil.
3) 1 hour light load (like 10%).
4) change oil.
5) 1 hour medium load (like 25-30%).
6) change oil.
Ready
 
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Bretny

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E0 is about $1 more a gallon here too. Its only available in high test though. And yes i agree with any fuel left in the tank can still gum up. This little generator only has a 1/2gal fuel tank and runs 6hrs on that so i think i can afford to use gas thats $1 more a gallon.

No true fuel, that stuff is highly over priced and can still gum up.

Git...thanks for reminding me i need an hour meter. I put them on everything even though i change oil way before needed on everything i own.
 

American Locomotive

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Don't bother changing the oil 3 times in the first 3 hours of operation. That's ridiculous.

Start it up, let it warm up, run it under varying loads for the first few hours of operation. Change the oil. Done. Maybe do the next oil change a little sooner than recommended.

Don't worry about "ethanol free" fuel. Just either run the thing completely out of gas if you're not going to use it for a while, or turn the fuel off and let all of the gas get used out of the carb.
 
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Bretny

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This little thing takes 7.5oz of oil so if you round up to 10oz thats a bit more than 3 oil changes in a quart. Not really worth the risk for $5 in oil.


I always do turn fuel off and run the bowl out when putting things away. When this is done with e10 fuel youstill get build up in the bottom of the carb that floats free with new fuel.
 

Nthill93

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I always just ran them for a couple minutes under no load then an hour under load. Change the oil and away they go. Honestly they’re lucky if they get an oil change a year. Couple 5k and 10k hondas and some Honda inverters
 

QwikKotaTx

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Jobsite generators get run all day and only get oil when they stop running due to low level switch kill. Do you guys actually think construction sites change small engine oil? I bet 80% of them are running on the original oil with way more hours than a homeowner emergency genny.

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Git

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Jobsite generators get run all day and only get oil when they stop running due to low level switch kill. Do you guys actually think construction sites change small engine oil? I bet 80% of them are running on the original oil with way more hours than a homeowner emergency genny.

Sent from my SM-G900V using Tapatalk

Who said anything about a 'Jobsite Generator'? Of course, the workers that use those could care less - because they didn't pay for it

Were talking about someone who forked out THEIR hard-earned money on a generator, and they wants it to last. It's called preventive maintenance
 
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Bretny

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Who said anything about a 'Jobsite Generator'? Of course, the workers that use those could care less - because they didn't pay for it

Were talking about someone who forked out THEIR hard-earned money on a generator, and they wants it to last. It's called preventive maintenance

Thanks


Also this isnt an "emergency generator" read prior posts.
 

QwikKotaTx

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Who said anything about a 'Jobsite Generator'? Of course, the workers that use those could care less - because they didn't pay for it



Were talking about someone who forked out THEIR hard-earned money on a generator, and they wants it to last. It's called preventive maintenance
And you have documented proof that your method makes generators last longer and is not simply a waste of time and oil?

Sent from my SM-G900V using Tapatalk
 

sberry

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I doubt it makes much real difference until the extreme of no maintenance. As was said, lots of them tested under brutal conditions that they will never see in homebody use. I got nothing against a change or 2, would run it a few minutes and put synth in it maybe, maybe not too but do it just to get it out of the way. Write the year of the change on it.
We do this more all the time, I note the occasional mileage or hrs on it but usually the season and the year,,, fall 2016 etc.
I moved a welding/genset on a truck a while back, pulled the stick to look, decided to change while I had it out. Oil looked good, clear yet and had 415 hrs on small engine and was in there near 10 yrs. Changed it while it was convenient.
 

sberry

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Longest I have ran car engines about 30K, 3 changes in 100K on engine had 100 on it when I got it. The thing used though. I got a couple others I now run in the 20 range I suspect could go 50 without a problem. I got another I really hate to run past 5 as I am always worried about coolant leaks and the pcv works like **** on it. It keeps running,,, maybe it will outlast the truck its in.
 

sk farmer

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the stuff said here is so way over the top it is laughable. do you break in the hvac system in your home? do you break in an inverter welder? do you break in any other multitude of items such as string trimmers, lawn mowers. cordless tools?

yes, things that have oil should get an oil change or 2 up front to flush the system but beyond that anything other than monitoring levels until a base is established is over kill.
 

sberry

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After a while a guy gets a "feel" for it too. We havnt ran it but a couple or 10 hrs in last 3 years,,, not a deal,,,, we just ran the **** out of it for a month or 2 it gets change after we done. I got some we havnt changed for years, add some when they need it.
 
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Bretny

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Got my little generator break in started. Changed the oil at 1.5hrs. Got quite a bit of sparkles in the oil. Then again at 2.7hrs. No sparkes. Il prob change the oil again at 5-6hrs to synthetic and consider it broke in.
 

Showkey

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If you run a Predator for 10 hours in break-in ..........you just used up half of it’s designed life.
 
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