How can I get the old rusted frozen bolt off my lawnmower blade so I can change the blade?
Question:Do I turn bolt clockwise or counterclockwise?
Answers:
The head of the bolt will tighten in the same direction as the blade rotation. This prevents over tightening of the bolt. The blade rotates in the direction of the cutting edge.
Unplug the spark plug, block the blade and use a socket the size of the bolt. You can use an extension on the socket handle if the bolt is stubborn. A shot of penetrating oil helps too.
wd40 is the only thing i know that will help you have to0 put it on several times
You should be turning it counterclockwise. Also when working under a mower take the spark plug wire loose just to be safe.
You can try some penetrating oil from the hardware store to loosen a frozen bolt. If you have a propane torch handy try heating the bolt. Heat will usually break it loose.
Lefty loosy, righty tighty. But I'm not sure about the attaching bolt on a lawnmower. It's not likely, but sometimes there are reverse threads on things.
Try some penetrating oil that is made for working through rust and corrosion. Try an auto parts store for it if you have none, I'm not sure Wal-Mart would carry it if you have one where you live.
Right is tight left is lose
heat it with a torch. Be careful not to light the gas tank. boom!
Soak it with WD 40 overnight
A few sharp blows with a hammer along with WD-40. Be careful with the heat, you may mess up the shaft seal. Drain the gas and oil out of the engine and turn the mower over so you can work on it. An impact wrench is also good, just let it rattle away for a bit, it will usually break them loose.
Go to an autoparts store or OLD FASHIONED hardware store (NOT home dumpo or lowleylowes). Get PB BLASTER. Works way better than WD40. I don't remember if the nut on a blade is reverse threaded or not, I've never had to change one, so I don't know.
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DO NOT USE A TORCH. You can easily wreck the threads in the bearing that the bolt screws into.
Penetrating oil works good, so does a 18 inch long 1/2 inch drive breaker bar with a properly sized socket. Block off the blades with a piece of wood so that you are not fighting to hold the blades and turn the bolt.
The bolt should unloosen to the left, but check the blade direction to be safe.
lefty loosy righty tighty they make all kinds of rust buster or take lawn mower to a repair shop they can take it off with their air tools good luck if you do it your self it is not very easy
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