Bob F wrote:
Mortimer Schnerd wrote:
I've got a John Deere L110 lawn tractor that I want to replace the
mower blades on. Today I drove it up onto a set of car ramps and
reached up under it to try to remove the two blades. All I managed
to accomplish today was refill the tires with air and remove some
twine that had wrapped itself tenaciously around the hub of the
blade. As for loosening the two end caps that actually hold the
blades on: forget it. I couldn't budge any of them.

Looking in the owner's manual says they're supposed to be torqued to
42 ft-lbs. Well, even using a piece of pipe as a cheat, I got
nowhere. Are these things reversed threaded? Is there a trick I
don't know? I was using a 1/2" socket wrench with a 15mm socket.
Maybe I need to move up to a bigger wrench?

I hate to pay for something I should be able to do myself.

Reverse threads are not unknown.

Very true, PLUS, loosening overtightened nuts is often eased by trying
to tighten and then loosen. So try it both ways. Something that tight,
it's not going to hurt.

Liquid Wrench is often a good idea for such a setup. Follow
instructions on cans.

As for which way it's threaded, check the rotation direction of the
blades. Tightening direction of the nut will be opposite to the
direction of the blade rotation. e.g. if you hit a rock, the blade
tries to tighten the nut, not loosen it.
Twayne