Can I change cutting height for lawn mower without draining oil/gas?

best lawn mower cheap image

N

I just got a cheap lawn mower from Lowe's and didn't really care that I had to adjust the wheel height manually since there is not a lever, as on most self propelled mowers, but now, in it's median height, it is barely skimming the grass.

Now that I have it filled with oil and gas, must I drain the fluids to turn it over and adjust the wheel height? I know, maybe a stupid question, but I just don't want to damage the machine. Thanks for your help!

Answer
no, just prop one end up about a foot off the ground, and you can reach under with a wrench to change them, then do the other end, itll be fine.

What is the slowest rpm a lawn mower can go and still be able to cut?

logan c

I am trying a project of mine out with an electric lawn mower and I want to get the cheapest electric motor as possible. I only ask what the slowest speed is because it seems that motors that produce a lower rpm cost less. So, I am looking for the cheapest electric motor that can still rotate fast enough to cut grass.

Answer
the r.p.m. or speed is not relevant in grass cutting, it is the width of the blade that decides cost. 12" blade is about the smallest and cheapest, but will need far more passes than a 16" blade

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