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Running Generator without a load

Posted on 5/14/20 at 9:11 pm
Posted by Nicky Parrish
Member since Apr 2016
7098 posts
Posted on 5/14/20 at 9:11 pm
I was running my portable generator this afternoon. My neighbor walks over and we get to talking.
He said you shouldn’t run a generator without a load because it uses up the brushes quicker.
I’ve been having a portable generator for years and had never heard of that.
Does it really make a difference. Don’t see how that matters. Electrical stuff is my weak link.
Posted by Chad504boy
4 posts
Member since Feb 2005
166339 posts
Posted on 5/14/20 at 9:15 pm to
Put a load on his wife
Posted by corym52
Member since Jul 2007
721 posts
Posted on 5/14/20 at 9:30 pm to
Maybe your buddy should ask her husband about that. Absolutely retarded. 15 minutes here or there won’t hurt anything.
Posted by weadjust
Member since Aug 2012
15120 posts
Posted on 5/14/20 at 9:45 pm to
Construction guys will run a generator all day long and only have a load when cutting something with a power tool.
Posted by notsince98
KC, MO
Member since Oct 2012
18012 posts
Posted on 5/14/20 at 9:47 pm to
I have no experience with small gas generators but I would assume this thought comes from large deisel generators where if you run them or test them w/out a load, it can end up wet-stacking the generator.

I don't think that should be an issue for a gas generator and the brushes comment doesn't make much sense, either.
Posted by EveryoneGetsATrophy
Member since Nov 2017
2907 posts
Posted on 5/14/20 at 10:30 pm to
Your neighbor is an idiot.
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 5/15/20 at 5:00 am to
quote:

Your neighbor is an idiot.


This. You suppose to run it unloaded after running it loaded to cool it down after each use for a few minutes. A lot of people don't do this.

Oh, even when it's running, unloaded, the genset still has a electrical field running.
This post was edited on 5/15/20 at 5:03 am
Posted by REB BEER
Laffy Yet
Member since Dec 2010
16215 posts
Posted on 5/15/20 at 8:51 am to
Don't know if it makes a difference or not, but when I run mine, I usually plug a sawzall or something in and run it for a minute or so just to make sure it's putting out power.

But I'm pretty sure it doesn't hurt anything to just let it run unloaded.
Posted by TeddyPadillac
Member since Dec 2010
25648 posts
Posted on 5/15/20 at 9:53 am to
You're neighbor sounds like an idiot, but why are you running the generator without a load?
If you are just running as a monthly run check, then you need to put a load on it, or you didn't actually run the generator portion of your "generator".
Posted by Nicky Parrish
Member since Apr 2016
7098 posts
Posted on 5/15/20 at 11:41 am to
quote:

If you are just running as a monthly run check, then you need to put a load on it, or you didn't actually run the generator portion of your "generator".

Run it to make sure it’ll start when I need it.
I use it sometimes instead of pulling out an extension cord.
Sometimes I’ll plug in a big fan.
Sometimes I’ll just run it a few minutes
Had never heard about the wearing out the brushes thing before
Just checking
Posted by Nicky Parrish
Member since Apr 2016
7098 posts
Posted on 5/15/20 at 11:42 am to
Thanks to everyone for all the responses
Posted by munchman
Baton Rouge
Member since Feb 2006
10322 posts
Posted on 5/15/20 at 7:15 pm to
quote:

neighbor


So many dumb neighbors and so little time.

Posted by wt9
Savannah, Ga
Member since Nov 2011
1123 posts
Posted on 5/16/20 at 6:03 pm to
This would be true if it was a DC motor running 24/7 in an industrial plant after about 6 months to a year. Doesnt sound like you meet that criteria.
Posted by bamarep
Member since Nov 2013
51807 posts
Posted on 5/17/20 at 9:56 am to
It's not going to hurt it. Dude is being a dumbass.


The wear would be minuscule.
Posted by Hamma1122
Member since Sep 2016
19830 posts
Posted on 5/17/20 at 9:59 am to
He’s a clown
Posted by td1
Baton Rouge
Member since Oct 2015
2838 posts
Posted on 5/17/20 at 8:00 pm to
Depending on the brand, there is a chance it is brushless. It is always good to put a load on them when you run them to know it is still putting out AC.
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