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What's best tool to remove riding lawn mower blades?

Seems to be too hard to loosen with my socket wrench.

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1/2" impact rachet air the only way to go

Posted on Oct 26, 2012


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Posted on Jan 02, 2017

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SOURCE: craftsman 42" riding lawn mower blade free spinning but wont cut

It sounds to me that you need a new mower deck drive belt, or your blades need sharpening. If the blade edges are rounded, they won't cut butter... Also, when mower is off, check mower deck drive pulleys to make sure you don't have any that are locked up or are dragging. You can check this by pulling the belt away from pulley and spinning the pulley by hand. MOWER MUST BE OFF before attempting any of these checks. You would be surprised how many people would try this with the mower running.
Hope this helps

Posted on Mar 11, 2009

  • 226 Answers

SOURCE: Knocking in mower deck or belt clutch when engaging blades, motor bogs / slows down


Posted on Jun 01, 2009

  • 143 Answers

SOURCE: mtd yard bug model - 198707 riding lawn mower blade belt size?

I dont know the belt size but if you go to mtd belts in you should find it. Stephen.

Posted on Aug 23, 2009

  • 1 Answer

SOURCE: duel blades on craftsman riding mower cut unevenly

Its not the tires it is the blades don't line up.One blade is three-quarters of an inch lower.Is there a shim for the star fitting.

Posted on Jun 11, 2010

  • 27 Answers

SOURCE: I have a Murray 40 inch riding lawn mower and I

blades on murry's turn clockwise you did make sure the blades was on the spindles all the way right ?? if not then that will cause your issue . also you didnt specify the reason for replacing the blades . like if they was doing the same thing before or if you had hit something ... also when installing the blades you made sure that the blades was mounted directly with nothing between them and the spindle correct ?? this would cause the deck to cut unlevel and do what your discribeing ..

Posted on Nov 07, 2011

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1 Answer

How do i remove the cutting blade from a morrison 500 reel mower

Disconnect spark plug wire. Turn on side. Block blade from moving using a block of wood. Loosen blade blot with appropate wrench or hindge handle(breaker bar) and socket.

Oct 19, 2014 | Garden

1 Answer

How do I safely replace the blades without removing the mower deck? I bought a devise at Walmart that is used for locking the blade but not sure how to use it.

If you lift the mower and block it up or drive it up on loading ramps anything to get at the blades disconnect the spark plug wire put the blade lock tool so that when your loosening the nut it comes up preventing the blades from moving loosen the nuts replace the blades then reverse the procedure installing the tool on the other side of the blades to tighten it. If you have access to someone with a 1/2" air impact wrench/gun it is really much easier and the use of the tool is normally non-existent.

Jun 11, 2013 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

How to remove mower blade for dr brush mower

I have 2 of them. You should invest in a torque wrench (maybe $35 or so). The answer is you remove the blades on the DR just the same way as any lawn tractor or gas push mower, for that matter. You need to first "scotch" the blade (use a 2x4 or a special tool you can pick up at Sears). This keeps the blade from turning while you are loosening or tightening it. A torque wrench is very heavy and the shaft of the ratchet is quite long, giving you much more torque than a regular socket wrench- which you may need if the nut has been on for a very long time and/or is rusty. I believe they take a 15/16 socket. You can double check me on the DR website. Once you have it off, and after you sharpen, replace it or whatever you need to do, put it back exactly as it went on and torque it to about 90 lbs. It's a good idea to spray some Liquid Wrench on the threads and nut before and after you remove it. The last thing is to be careful not to cut yourself. Also you really need a manual for these machines. They're beasts, but tricky and fairly sophisticated when it comes to repairs, belts, springs, etc., but you will need to sharpen the blades every season if you use it a lot, so you need to know how to do this. Get that torque wrench! God luck. . .

Apr 14, 2013 | DR Power Equipment 13.74 PRO-XL Electric...

1 Answer

I cannot remove the blade from my B&D MM575 mulching mower. The manual says to block the blade, then loosen the nut. However, when I block the blade and turn the nut, the shaft continues to turn,...

You can use a pipe wrench on the shaft and a regular wrench on the nut. Disconnect your spark plug and tip the mower onto it's left side. You will have to use your left hand to go down through the mower shoot to hold the pipe wrench and your right hand to unbolt the the blade attaching bolt, it should come off immediately.
Remember you may have to purchase a new blade holder, since your problem shouldn't occur if your blade holder was OK. GOOD LUCK.

Jul 28, 2011 | Black & Decker Black and Decker Mm575 18"...

1 Answer

I would like to know the best way to change the blades on a42in lawn tractor it has 2 blades thanks

The very best and easiest way to remove the blades is with an air impact wrench. With an impact wrench it is simple as you do not even have to hold the blade, but with a ratchet and socket you must hold the blade while trying to remove the bolt. Use a piece of wood to wedge the blade so it cannot move.

Apr 24, 2010 | Garden

1 Answer

Change blades on a RZT rideing mower

I recommend using a block of wood to jam blade so it don't move, then use a wrench or socket and socket wrench to loosen nut to remove blade

Apr 19, 2010 | Garden

1 Answer


Hello. REmove the deck from your mower so you can easily get at the belt and the blade. Make a drawing of how the belt is installed so you can install the new one the same way, loosen the idler pulley and remove the belt. Generally you have to remove a couple of parts to get the old belt off in one piece and get the new one on. You will need a set of socket wrences. To replace the blade use a block of wood to hold the old blade stationary and a large socket wrench to loosen the nut holding the blade in place.

Nov 25, 2009 | Garden

3 Answers

Can't figure out how to change it or take it off for sharpening

you find the right size socket that fits it.(it: the bolt in the middle of the blade under the mower. Then hold the blade as you turn the socket wrench, sometimes this will be hard. this is how to do it

May 21, 2009 | Oregon Scientific Oregon Gator Mulcher...

1 Answer

Changing blades on riding mower

Must be able to get to underneath side of deck obviously. If you do not have access to impact tools, it is usually easiest to remove the deck as you must keep the blades from turning. Place a block of wood to where it will jam the blade while attempting to turn the nut. (7/8" socket or wrench). Usually very tight, try some penetrating oil to help.

May 18, 2009 | Garden

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