What are best practices for cleaning the 20" Steel Deck (LM2020SP) mower?

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I've done a fair amount of searching on these forums and it seems that the consensus for the 21" plastic deck is to clean after each use with a damp cloth.  I'm curious if that same procedure should be used for the 20" steel deck or if there is a different/better method.

Secondarily, any suggestions for preventative measures (e.g. silicone spray under the deck) for this mower?

It arrives to me this Thursday, very excited to get going with it.
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Landon Chapman

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Posted 5 days ago

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Ken, Champion

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Official Response
You want to be careful not to spray water up into the motor housing. For prevention, some people use car wax on the underside of the deck (which has worked for me). Others swear by dry graphite lubricant or silicone.

I much prefer a little bit of preventative measure, followed by cleaning with a small whisk broom or plastic brush. I don't want to accidentally cause anything important to rust or corrode.