Dismount the mower deck from the lawn tractor to replace worn-out mower blades. Changing the mower deck’s three blades requires a 1 1/8-inch socket, box or open-end wrench for hex nuts, a block of wood and a set of new blades.
What size bolt holds on mower blades?
You are correct it is a 15/16 head that you will need a stock number 15/16 45892 1/2 drive socket. The shaft is 5/8 with 18 thread cut. I would suggest that you also purchase a 1/2 breaker bar also if you do not have on to get enough torque on the nut to remove tighten.
What size is the nut on a lawn mower blade?
What size are the tractor cutting blade retainer nuts and what direction should they be turned? The retainer nut on most of our riding mower blades are a 5/8″ thread diameter. This sized thread diameter nut normally requires a 15/16″ wrench or socket tool in order to remove/install.
Are mower blade nuts reverse thread?
Most lawnmower blade nuts are reverse-threaded in order to secure the blade on the drive shaft of the engine. This ensures that the blade’s rotation does not loosen the nut. However, not all blades use a reverse-threaded nut to secure them to the engine’s drive shaft.
How do you remove a stubborn lawn mower blade?
Remove a Stuck Blade with Leverage
Once it’s secure, place a socket wrench over the bolt, (making sure it is the correct size), and attach the breaker bar to the socket. Use the breaker bar as the socket wrench handle and loosen the bolt. Once it is loose, unthread the bolt by hand and remove the blade.
Are Toro blade bolts reverse thread?
Yes and no. The lawnmower blades itself is not threaded, but most nuts that held the blade in place are reverse threaded. The reverse thread helps to secure the blade on the drive shaft such that the rotation of the blade does not loosen the nut.
Do I really need a torque wrench for lawn mower blade?
A torque wrench is critical for jobs like lawn mower blade fitting and flywheel fitting, as you already know, overtightening these components could cost you an engine.
How often should lawn mower blades be replaced?
A good rule of thumb for the average homeowner is to replace your mower blades annually. You may also think about replacing them if they become damaged. Dig up that product manual if you want a more clear-cut answer. Always make sure to take protective measures whenever sharpening your mower blades at home.
What size blades do I need for a 42 inch deck?
2 blades are required for a 42″ cut deck. This blade replaces Poulan/Craftsman 134149 and 532134149; Husqvarna 532 13 41-49. Blade measures 21″ long by 2-1/4″ wide with a 5 point star center hole.