The Z turn mowers do take time to learn how to steer. It's not intuative at all. I almost took my head off with on a low tree branch because I zigged when I should have zagged. I would tell her to take the mower into the middle of her yard or driveway with the blades off and just keep...
I had exactly the same issue purchasing a Pittsburg torque wrench last year when doing shocks on my car,. It wouldn't click. I thought I was doing something wrong but when I picked up my smaller cheap no name one that didn't go as high in ft lbs, it clicked. I brought it back for a return and...