Put a wrench socket of the correct size on the head of the bolt securing the blade to the blade holder, and apply force to the wrench handle in the counterclockwise direction to loosen the blade bolt. The bolt may have a 1/2-inch, 5/8-inch or 3/4-inch head, depending on mower model.
Are lawn 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.
What size wrench Do I need to remove a lawn mower blade?
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.
Can Coke loosen a rusted bolt?
Bubbly soft drinks like Diet Coke and regular Coca-Cola contain phosphoric acid, a substance known to do a number on rust. … Pour the Diet Coke or Evaporust around the bolt and let it soak in.
What direction do I turn the nut to change a mower blade?
Turn to Left
To remove the blade, you must turn the blade’s retaining bolt to the left, or counterclockwise. Before undoing the blade, tip the mower on its side with the engine air cleaner facing up and block the blade with a piece of wood so it can’t turn.
Are Troy Bilt mower blades reverse thread?
Walk behind mower blades are installed between 38 and 50 foot pounds of torque, and riding mowers are between 70 and 90 foot pounds of torque using a standard bolt thread pattern, which is also referred to as right-handed or clockwise thread. … Standard thread parts loosen by rotating them counterclockwise.
Does a lawn mower blade turn clockwise or counterclockwise?
Most lawn mower blades rotate in a clockwise direction (counter-clockwise when viewed from below), and as such have the cutting edge on the right side. If you are unsure of how your mower rotates, check the position of the discharge chute; if it is on the right side angled back, the blade turns clockwise.
How do you remove a rusted bolt with no head?
Use a Hammer
How to remove a rusted bolt with no head? Another way to unbind a rusted fastener is to apply force with a hammer. Using an eye protection shield, strike the head of the fastener with a hammer forcefully. As you strike, attempt to remove the fastener using a screwdriver.
Are John Deere mower blades reverse thread?
Most times, the blades of a lawn mower are reverse-threaded. … Removing your blade for sharpening or replacement will require the use of a socket wrench to unbolt the lock nut, which is often reverse-threaded.
What size nut holds 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.