[Shop-talk] Mower blade orientaaion relative to piston

[Brian and Wendy Warrick]

I run Snapper walk behind mowers and have never gave it a thought. I can't see why it would matter. If it did, they would have designed the adapter differently.

Brian
Nampa, ID

________________________________
From: Shop-talk <shop-talk-bounces at autox.team.net> on behalf of Karl Vacek <stearman809 at gmail.com>
Sent: Tuesday, May 18, 2021 3:52 PM
To: 'shop-talk at autox.team.net' <Shop-talk at autox.team.net>
Subject: [Shop-talk] Mower blade orientaaion relative to piston


Last time I sharpened my 21” walk-behind mower blade I thought of something that’s never occurred to me, after using the same brand of mower for 25 years..



On a Snapper, the blade can actually go on any way onto the square adapter keyed to the crankshaft.  The mounting point is square, no pins, no longer side, nothing.



One way would be aligned with the cylinder at TDC/BDC, and the other way would be across.  It’s been off many times and there’s no way to tell how it was mounted originally.  The manual is silent on this.



Power stroke shouldn’t matter, but maybe some dynamic issue one way or the other?



Thanks!
Karl
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