Yes, that is correct. The bolts that hold the mower blades are reversed threaded. To tighten the bolt, you have to turn it to the leftcounterclockwise and to loosen it, you have to turn it to the rightclockwise.
Which way does a lawn mower blade unscrew?
The blade’s retaining bolt has to be turned to the left orcounterclockwise to remove it. If you want to prevent the blade from turning, tip the mower on its side with the engine air cleaner facing up.
Are riding lawn mower blades reverse threaded?
The lawnmower blades are not threaded, but most of the nuts that held them in place are. The reverse thread is used to hold the blade on the drive shaft in place.
How do you tell if your lawn mower blade is upside down?
The blade should be moved in a clockwise direction if it is on the right side. The edge that leads should be the sharp one on the blade. You have the right lawn mower blade position if that happens. You need to flip it over if you don’t think so.