Power Plus 21" self propelled mower uneven cutting

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  • Updated 2 years ago
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I have had my EGO Power 21" see-propelled mower for two years now.  All of a sudden it's cutting unevenly when mulching.  During the heat of the summer I cut it on 4" to promote root growth.  Granted, I have what I call mutt grass, it's a combination of different grasses but my EGO use to cut so nicely.  I have tried a new blade, didn't help.  I tried sharpening the old blade, didn't help.  I love my EGO mower but basically I have to cut the yard twice to make it look nice and I don't have time for that.  Any ideas?
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Bob Neidinger

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Posted 2 years ago

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Pete Innes

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Check the gears in the rear wheels for damage. They are plastic and mesh with a metal gear on the gearbox shafts. Mine eats these gears and I have replaced them numerous times. If the self propel pushes the mower more on one side it cuts unevenly
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Fred Clarke

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My Ego hasn't cut well from the get go. It won't pull up the wheel ruts on one side. Find I have to mow clock wise. Tried high lift blade but no improvement and motor works harder, battery lasts less time.
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Blue Angel, Champion

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Official Response
Bob, check that the wheel height adjustment is raising and lowering the front and rear wheels evenly. If the mower deck is not parallel to the ground the cut can suffer.
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Rob Gregory

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This reply was created from a merged topic originally titled Mower Not cutting well..

Mower not cutting well. I bought the self propelled model and it leaves streaks of uncut grass everywhere. I have tried sharpening the blade mulching bagging nothing works. Still have streaks. I really want this mower to work for me. But I am having majors issues. I do plenty of overlap on passes and am cutting my tall fescue grass at 4. About every 5 days.
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Michael G

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Hopefully this helps. I've only had my mower for just under 3 months- LM2102SP. This past weekend was the first time I got the "mullet" cut. I always mulch cut on#3. It's been cool and wet the past week so my grass grew like crazy. My grass was too long to cut on 3 but I did anyway. The wheels pushed they long blades of uncut grass down pretty good and on the next pass these streaks didn't cut fully. I cut 3 days later and all was well again. My Honda did a similar thing with wet grass. My thoughts are the higher you setting the better opportunity to create the streaks by compressing the long grass.
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Michael G

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I was thinking when mulching with this 21" mower, since under certain conditions it has a lack of suction to raise the grass mushed down by the wheels and cut it properly, could a brush or comb be added to the front of the deck and right behind the front wheels to "dress" the grass before being cut?

Mike
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Blue Angel, Champion

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Mike, I have a feeling the brush might just push more of the grass down making it harder to cut?
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Michael G

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Yeah - after I posted I also though probably depends on which way the last cut was made.

One of many things I have learned here from the experienced members is for an even cut is a very sharp blade is especially important with this cordless mower. I now have a second blade and with a sanding flap can c/o and sharpen a blade in 5 minutes or less.

Mike
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Fred Clarke

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In 50 +years I have never had a gas powered lawnmower have this problem. Its something Ego needs to fix if they want to stay in business.
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Neal

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This reply was created from a merged topic originally titled Mower cuts at differerent height when using self propelled.

I have noticed that my mower tends to cut at different heights, dependent on if I am using the self propelled function.  My back yard has a slight grade to it.  When I'm going downhill, I don't use the SP, but do use it coming back up the slope.  I don't feel like it is an uneven blade, as the height is uniform for each pass I'm making.  After I am done cutting, I can really see a difference in the height of each pass I make.  Any thoughts???
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Michael

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My front yard is a slope, my mower does this also.
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Pete Innes

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If you look at the mower when you activate the self propel function, it rises up and stays up until you release it.
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Nick Sullivan

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I'm having the same issues as others on Bermuda with the mower on it's lowest setting.  I end up with crop circles in my yard when going up or down hill.

This wasn't the case with my much cheaper gas powered mower.  What's the deal EGO?  You merged the few discussions that were just like mine into this one which appears to be a different issue.
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Amber F., Official EGO Rep

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Are you mowing on a slope?
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Michael

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Hello Amber, I am glad to see an EGO official stepping in here. My mower now does this on flat ground or a slope.
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DJDDay

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What you're referring to are called windrows, and they can be avoided by not cutting your grass on the lowest setting when it's too tall.  You're likely trying to take too much length off in one pass.  Try a higher setting to find the sweet spot (usually not more than 1" taken off in a cut, though you may be able to push it to 2").
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Nick Sullivan

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I am mowing on a slope, it also occurs when I drop from the sidewalk to the grass on occasion (which is barely a drop).  These are not "windrows" these are crop circles from the blade scalping the grass.

This is the same slope that my Honda self propelled had NO issue with.  I mow at least once a week if not twice in the summer, it's not a matter of me taking too much grass at one time. 

I see the same issues as this dude:
https://aroundtheyard.com/forums2/viewtopic.php?forum_uri=equipment&t=20333&start=

Same issues as this guy (tho much less severe/frequent):
https://d2r1vs3d9006ap.cloudfront.net/s3_images/1482491/RackMultipart20160913-69532-17ag12g-tiering....
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DJDDay

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The picture helped - that's a crazy scalp job!  Has it always done this, or started it recently?
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Nick Sullivan

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Mine has always behaved this way.  That photo is an example from a locked thread here on Ego forums that is merged with this topic.  The first picture from around the yard is very much like what I see.  Occasional crop circles. 
(Edited)
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Nick Sullivan

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From your own review site this guy is yet another person complaining about the same very issues with our very expensive lawn mowers:
http://i.imgur.com/ZTFeqBu.png
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DJDDay

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My review site?  I don't have a review site.  Or is that from an Ego page?  I don't think anyone is doubting that some people are having issues with some mowers.  Obviously the grass type seems to be related (I'm in the southeast part of Michigan cutting mostly Kentucky bluegrass and fine-leafed fescues mix and don't seem to suffer this issue, with neither my first generation push mower Ego nor my late self-propelled Ego).  
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Nick Sullivan

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"Yours" as in the forum on which I'm participating bubs.  Ego's forums.  Ego's reviews on their mower.  You and I are just participants.  I recognize that.  You're also correct, nearly all the people I see mentioning this issue are on bermuda grass cut low.  That's a pattern for sure.  Another pattern is people saying their old mower didn't do this.
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Nick Sullivan

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Level ground and crop circles.
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Nick Sullivan

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Slope and crop circles

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Michael

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This is what my yard looks like after mowing.
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Michael

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Going up the yard I use the self propel. Going down I coast or slightly push it. You can visibly see the difference in cut height and on solid ground you can visibly see the mower lift up when the self propel is turned on and fall when it's released. However this is happening to me on level ground as well too. The width of the raised row of grass looks narrower because I overlap when I mow by the width of wheel or a little more just in case something got pushed down by the wheel...
(Edited)
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DJDDay

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That look - striping - is actually a coveted look that many cutters will try to achieve on purpose.  I know you look at this as an issue, but I have to say - congrats!  I wish I could get that cool striping look!  ;)
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Michael

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Well it may look "cool" to some and I understand the fact that there is add on equipment to achieve this, but when out of the box the mower did not do this and now it is doing it with no added special equipment then that tells me something is failing and could eventually break. My guess is that it is premature wear / stress in the lift linkages that go to the single lever height adjustment control on the left side of the mower.
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DJDDay

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Sounds like a good possibility.  It's still in warranty, so I'd reach out to Ego.  Crappy part is that service time might be lengthy, so count on "borrowing" a temp replacement from your local Home Depot while it's in the shop.  Or wait until the cutting season is over and send it in for service.
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Michael G

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I'm on my first EGO season but I have read if you push down on the handle it can lift the front wheels and cause variable cut height. Maybe put your handle at a higher setting or slow down to assure the front stays down. I even saw from a google search someone added weights to the front of the mower and end result was more even cut.
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Amber F., Official EGO Rep

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When mowing on a slope, we recommend moving across the face of the a slope and never up and down (see below figure, follow the green arrow to mow). You'll also want to keep the self-propel on at all times in order to maintain an even cut height.
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Michael

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I understand my option with warranty. I will use my warranty if I have too. With that said, I am hoping for a fix here! A long term long lasting fix from EGO, as so is many other people on here. I love my mower ridiculously and I want it to perform at the best of the best that is out there. I show it off to everyone I can! I think that this battery stuff is just awesome! The price of these EGO mowers is comparable to a Honda mower, in which to me, Is very respectable just because of the convenience factor. I bought it with that in mind, if they're asking what they're asking then there has to be a reason! I also have a Honda gas mower that is the top of the top they make, electric start, blade clutch, non corrosive deck and all. At the time I bought it new(8or so yrs ago) I got it for the same price as I spent on my EGO. It is still a beast but I have changed oil, $$$ on gas, and just recently a new cable and clutch. Which is all $$$ and none of which the EGO has. All I worry about is the battery, and even then if you run the number and take into account technology improvements, the replacement battery just makes better sense.
I am mechanically enclined and could possibly fix this issue with my EGO if I could tear into my mower, however I am not going to void my warranty. If I have to use it then I will, like when it breaks or the warrenty is on its last year...
But I would really like to use my warranty on a permant fix from EGO after they realize there are others doing the same.
Yes, I understand that mine could be one of a few that was part of a bad run. But still, in my mind and my thinking, I think I have a better chance at a good fix after a few of these have been though EGO warranty already. Like in the last year of my warranty period, I bought mine when they first came out! :-P
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Michael

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Well I just got a load of crap answer form Amber. Good thing everyone else can chime in here.... I mow my yard in a different direction every time I mow. Like you are suppose too! COME ON PEOPLE, HELP ME OUT HERE! MY GAS MOWER DOESN'T DO THIS AND I MOW THE SAME WITH IT!
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Michael

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Also too add, if I mow with the self-propelled feature on I have to stop to empty the bag. If I do not shut off the blade before I stop using the self propel, I get the famous little circles that these guys are talking about. Right where I stopped to empty the bag...
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szwoopp, Champion

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not sure what you mean.  Amber's response regarding recommended mowing accross the slope seems reasonable and perhaps could resolve your issue.  As you mow different patterns, do you notice a better cut when mowing across the slope.
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szwoopp, Champion

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You also mention an issue with bagging.  This may help
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Michael

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OMG come on, are you ignoring that fact that the mower wasn't doing this to beign with(new out of the box)and other people are having the same issues??? Are you not aware that IT DOESNT MATTER IF YOU BAG, MULCH, DISCHARGE, GO UP HILL, GO DOWN HILL, GO ACROSS, SELF PROPEL, OR PUSH, the cut should be the same!!!!
$!&@$!?-$&!@.
I give up now. Time to go back to being radio silent.
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szwoopp, Champion

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I am not ignoring anything, just trying to throw out some ideas that may help.  Not sure what you are looking for, I do not work for Ego nor am I an engineer.  I can't fix your mower for you.  Do you just want me to join your chorus and B&C all over Ego. How is that going to solve your problem ?
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SR

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The desired striping look is not supposed to be achieved by different height of each cutting line....
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Nick Sullivan

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Agree 100% Michael. If this mower can't do hills they shouldn't sell it. It's a cop out answer. Your supposed to vary your mow pattern as you mention. The answer were getting is trash.
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Michael

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Had to come out of radio silent for a thank you to "SR" !
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Jacob

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The sway from front to back is loosening up Michael, this is why it didn't used to happen. And we aren't talking much.

When you engage the self propel, the rear wheels drop down slightly. When pushing, the front wheels drop down slightly. It's weight shift that you are seeing.
Add the slope and even more weight shift is happening.

You are noticing this because such a low cut.

Perhaps reel mowers should be used for this type of grass? I haven't seen Bermuda grass before so I don't know.

Also Michael. Please be respectful of people trying to help.

Amber's response will solve your issue as side to side will not experience this weight shifting as much.

Single point adjustment mowers all will experience this problem. Individual wheel height mower will not.

Think of this height adjustment as a teeter totter. Put a pin to lock it in the middle. Put 10lbs on the back. Now move that 10lbs to the front.
(Edited)
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Michael

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Big thanks to Mr. Sullivan too! Thanks for backing me up on this!!!
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Michael

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Jacob, I know it's hard to tell from the pics but I cut my grass at the # 4 setting on my EGO Mower.

And please, watch where you're stepping because you answer is quite BS about single point adjustment mowers.
Ambers answer is a deflection to the problem, if you agree with it then you are trying to deflect from the problem as well!!!

My parents own a John Deere gas lawnmower that has a single point height adjustment off the rear right wheel.
It is 10 years old and cuts as level as it did it out of the box!
It is like the one in the picture...
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Michael

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In the lower right corner of the mower you can see the front wheel adjustment linkage that connects the front wheel adjustment to the rear wheel adjustment. Only the front weight of the mower is on that linkage. Maybe this is why it holds up better but also that linkage is relatively large diameter. I do not know if it's hollow or not but it sure doesn't feel like it...

EGO's linkage system has to be done differently since it is having problems.
Do I need to take a video of me mowing my front yard up and down the hill with my parents 10-year-old John Deere to prove to anyone that it does not cut uneven or "stripe" my yard like my EGO????
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Jacob

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Well good luck. I can see no matter what anyone says to help, your just going to be rude. I don't have time to waste it on people like you.
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Michael

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I guess since facts are rude, I'll just go back to being radio silent. I apologize to anyone if I'm coming off strong, but I don't feel that I am being rude to anyone. And I can see where truth and honesty with a stern voice can get you in trouble these days! Bye y'all ....

***Note to anyone else that reads this, good luck to you defending yourself and your claims on here. It just seems to piss people off and get you singled out....
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Jacob

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No one is saying your claims aren't true.
They are.
No one is arguing with you.
No one is saying your lying.
Everyone believes you.
You have a picture to prove it.

The lift design is apparently weak.

No one is ganging up on you.
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Michael

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Nope, just it's just someone who's calling me rude and singling me out, because I called BS on their comment above. Which, by the way, is backed by a little truth...

I am very sorry to you and anyone else who though I was rude to them.
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Blue Angel, Champion

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Michael, if you put the mower on a hard flat surface like the cement slab in your garage, what happens if you push up and down lightly on the handle? Does it rock fore/aft?

If it does, and/or it lifts at the rear as you say when you engage the SP motor, the problem seems obvious; the height adjustment mechanism has some play in it and it needs repair.

In the mean time, you can try putting the handle on the highest height setting so that as you push the mower it lifts the rear, similar to what's happening when you engage SP. Note, if you use the grass bag the weight of the bag will affect this condition as it fills up and pulls down on the back of the mower.

If you are mulching, installing the grass bag with some dummy weight in it (leave mulch plug in) may help hold the rear of the mower down while using the SP. Doing this along with making a conscious effort to keep the back pushed down while pushing the mower may help. Perhaps lowering the handle could help there.
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Michael

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Blue Angel, thank you for your input. I understand exactly what you're saying because I stated almost the same thing about the wheight of the grass bag in a closed thread topic on here.... Yes the adjustment linkage needs repair, but hence my hesitation to send it in under warranty when all they're probably going to do is put new same old parts it already had before and the problem will resurface. If that's the case I will wait until it breaks or my warranty is almost up. This to me just seems like a design issue that needs a re-design. When my mower is out of warranty, and if the warranty repair parts fail again, I will dig into the mower myself and see what I can come up with. That's how much I like this mower! I have bought broken mowers and repaired them for a hobby since I was 12 years old. And now I own a battery mower that I think could possible put me out of my hobby eventually, if they get everything right...
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Blue Angel, Champion

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Perhaps an off-season warranty repair could work without disrupting your lawn maintenance? Not sure where you're at.

Another thing to keep in mind, there are continuous improvements made over time to parts that are problematic. For example, the gears in the driven wheels have been upgraded to address an issue. It's entirely possible that the replacement parts for the height adjustment could have been revised as well. Just speculation on my part as no such announcement has confirmed this, but a repair could turn into a permanent solution.
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Michael

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Thank you again, I fully understand. I am in Oklahoma City.
Yes when I do send it in, it will most likely be off season.
Earlier I stated that my mower is a first gen mower. I got it the summer they came out. I honestly expected there to be issues. I have been happy that there isn't any more issues than this. Other than one of the clips on one side of my battery door cover broke, which has absolutely no effect on the use of the mower at all.... I also was one of the lucky few that scored a highlift blade off Amazon a while back and I love it's bagging performance and I have seen no change in my runtime! I understand that manufactures can only test to a certain degree even though they try to cover everything, but real world use with different people will always show weak issues in anything.
A proud company understands this too and will look into their products and listen to their customers in which I'm sure EGO is doing, although they are rolling quite a lot of new things out rather quickly. But again, I understand that "you're" not a fierce competitor if "you" don't have a full line of products...
Things, improvement, and changes all take time.
Time will tell all here!
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Blue Angel, Champion

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Cheers!
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Art Zasadny

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Have you tried the high-lift blade? I ordered mine a few months ago through Amazon and it made a huge difference for me. I mow my lawn at 4" and bag the clippings since this is my 1st season with sod. After this season, I'll mulch my clippings...

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