Grinding noise with the self propelled drive

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Starting hearing a grinding noise when attempting to engage the self propelled drive? Any maintenance tips nothing mentioned in the manual about drive problems.
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David Risner

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Posted 2 months ago

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Paul Christenson

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You don't state which SP mower you based on this EGO manual

Have you lubricated your wheel bearings? pg 29

Have you removed the rear drive wheels as shown on pg 30 
and confirmed the gear drive on the wheel is secured with the three screws as shown in diagram 33b?

also have you examined the drive gears as shown on pg 31
and made sure they are not damaged
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Blue Angel, Champion

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Official Response
As Paul suggested, check out the gears on the inside of the drive wheels. Several have indicated their gears wore out.
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Pete Innes

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The gears on the rear wheels used to be plastic. They were shocking and would strip out. I have been sent metal gears and so far the problem has not returned. Be careful when powering round tight turns, release the self propel when turning
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@Pete Innes - did you do the repair yourself? If so, how did you get them to send you metal gears? 
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I too have the 'loud SP drive motor noise'.  It has gotten progressively louder since purchase in May of 2018.  I called customer service, and as long as the mower is still moving, there isn't much to service. Everything is sealed around the drive motor.
I did lube the bearings, and pull the rear wheels to lube the gears (both gears are metal).  Neither of those contributed to the motor noise.  It definitely is coming from the electric wheel drive motor.  Don't know how long the motor will keep running like this but I guess I'll find out.  It is significantly louder than the blade/cutting motor.
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Dan Cooke

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I have the same issue with the drive motor noise.
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Sandra Lotstein

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Me, too.  The lawnmower isn't cutting much of anything anymore.
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Update on my earlier comments on the 'loud SP drive motor noise'.  Today, it quieted down, to its original relatively quiet performance.  I'm wondering if for some reason the gears became misaligned due to the Direct Drive manner in which it is connected to the wheels.  If the wheels are not 'released' with a little forward motion at the end of a mowing strip, they somewhat 'lock'.  Maybe repeated actions caused the Direct Drive to alter somewhat.  Just i can't figure anything else that might have put stress on the system.  I do try to 'release' the SP function just before a turn, so the wheels move freely, but nobody's perfect.