“Reverse Thread” Defined
That bolt is either threaded in the standard fashion – which means you turn it to the right, or clockwise, to tighten it and to the left, or counterclockwise, to loosen it – or it is reverse threaded.
Which way does a lawn mower blade unscrew?
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.
Which way are lawn mower blades threaded?
Their blades turn to the right when mowing, while their threads turn clockwise and are fastened by turning the retaining bolt to the right. To unscrew the retaining bolts from a reverse threaded mower, turn the retaining bolts to the opposite direction, that is, the left, counterclockwise direction.
Do all mower blades turn 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.
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.
What size socket do I need to remove a lawn mower blade?
To remove a lawnmower blade, you will need a 5/8-inch socket. When removing a blade, make sure to remove the wood blocks between the wheels to avoid damaging the blade. A proper socket is essential when replacing a lawn mower blade. Using a 5/8-inch socket will work for most models of lawnmowers.
How do you loosen a tight bolt on a lawn mower?
Wrench Leverage – Turn the Wrench left to loosen. If you don’t have a ratchet and breaker bar, try 2 interlocked wrench’s for extra leverage, or use a hammer to shock the bolt. If it still won’t budge, try tightening it slightly, this often helps, odd I know!
Which way do you unscrew a bolt?
Most standard screws, bolts or nuts are unscrewed by turning them anti-clockwise, as shown in the image below. A good way to remember this is to try and commit to memory the phrase that all junior mechanics learn – righty tighty, lefty loosey.