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I cannot remove or change the disc on my jcb angle grinder

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HI, yes sometime the nut gets so tight its very difficult to remove. What I do is get a pair of Moule Grips on, very tight and get it off this way. Hope this helps

Posted on Aug 29, 2010

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1 Answer

How to Change a angle grinder disc


My angle grinder came with a special wrench to take off the disk. I have a small button to push that locks the shaft. I push it gently with it UNPLUGGED while turn the grinding wheel by hand till it locks. Then I use the wrench to undo the "nut" that holds the grinding wheel on.

Sep 27, 2014 | Saws

1 Answer

How do I change disc


Mine came with a special wrench that fits into the "nut" that holds the wheel on. Make sure the grinder is unplugged. Mine also has a button I push in that locks the shaft.I lock the shaft put the special wrench into the nut and spin it off.

Sep 13, 2014 | Hitachi G23sc2

2 Answers

Disc removal


The button does not disengage the blade, it only locks the blade/motor from spinning so you can remove the locking nut. Lock the spindle/motor/ blade, from moving and then remove the locking nut or disk. Should be counter-clockwise.

Apr 10, 2013 | Bosch BOS18946 9" Large Angle Grinder

1 Answer

Hi...I have a Black and Decker 4247 angle grinder that I haven't changed the disc on in YEARS...I can't remember if the clamp nut is right hand threaded or left...please help! Thanks lots!


Which ever way your grinder spins when turned on is the same direction the lock nut has to be turned to remove it. This makes sure it's self tightening when in use. More often than not they're right-tight, left-loose.

Nov 26, 2011 | Saws

1 Answer

I have a D28110 angle grinder and I want to use a 1/8"cutting disc with it. Do I need a different guard than what it came with?


haven't heard of a different guard for the cutting disc you want to use. Most people remove the guard when using them

Sep 15, 2011 | Dewalt D28110 Heavyduty 412" Small Angle...

2 Answers

Hi, I'm trying to change the fiber disc on a DeWalt DW402 but after pushing the locking button on top I'm not able to unscrew the wheel. If I turn counterclockwise the wheel turns, but it seems I...


  • 1 Check the grinder before you begin. The newer discs on rotary grinders have patented buttons that allow you to remove the disc without any tools. You may have one like that. In models like this, there's usually a spot to depress and then remove the disc.

  • 2 Turn off the grinder before you attempt to remove and change the disc on your rotary grinder. If it's battery powered, put the grinder in lock position so you can't accidentally turn it on. If it's electric, unplug the grinder from the wall.
  • 3 Look for a nut in the center of the disc. This is a give away that you need to use your special wrench. Sometimes the grinder comes with a tool necessary to loosen and remove the nut. Other times you need to use a wrench.
  • 4 Lock the wheel into place before you begin. You can find a button or switch at the side or back that allows you to do that. When you lock the wheel in place, the disc remains still as you loosen the nut in the center.
  • 5 Remove the nut in the center with either the tool provided with the grinder or a shop tool and lift the disc off your rotary grinder.
  • 6Lift the disc off the rotary grinder. If you have different discs, remember to check for the best fit. Put the nut back on a different way for different discs. Check for a rim and indentation on one side of the nut and a flat side on the other. A visual inspection of the disc for the rotary grinder gives you information about the side to use.

  • Here is a diagram of your grinder and the tool you are looking for is number 50...

    http://www.ereplacementparts.com/images/dewalt/DW402_TYPE_6.pdf

    Jun 11, 2011 | Dewalt 4 1/2" Small Angle Grinder D28402

    1 Answer

    How do i change a disc on a angle grinder


    There is a small button that locks out the shaft (where the disk attaches). You will need to push and hold down the button while you use the wrench provided to remove the retaining screw (there should be 4 holes in the retaining screw). It is a standard lefty loosy, righty tight. Good luck

    May 21, 2010 | Garden

    1 Answer

    I borrowed a B&D 7750 3 to cut off the legs on a wire shelf system. I would like to replace the grinding disc but it appears to need a special tool to remove the disc. Is that correct? The owner says...


    Yes you need an angle grinder spanner/wrench. It is like a tool with two pins that fit in the holes of the grinder disc securing nut. You can see a picture of one here: http://images.toolspot.co.uk/Angle%20Grinder%20Accessories/Angle%20Grinder%20Spanner%20For%20412in.jpg

    They do come in different sizes, but you can also buy adjustable ones. Your best bet is to take the grinder to the local hardware store, big box outlet or anywhere power tools are sold and they should have a grinder spanner to suit your grinder.

    Jul 03, 2009 | Black & Decker 7750 4 1/2'' Small Angle...

    1 Answer

    How to change a cutting disc.


    You can download a manual for a 9" unit (9069S) from
    http://www.materielsektionen.dk/skabelon/pdf/359.pdf

    I know it's a Danish site, but the manual itself is multi-lingual and includes English.

    Dec 03, 2008 | Makita 9069 9" Angle Grinder

    1 Answer

    How to....


    most angle grinders arrive with a spanner; two if it is quite old. if you are not experienced with such tools and do not have the instruction book i strongly suggest you take a trip to your local hire shop and purchase a couple of discs and some goggles and explain your problem there. the staff there will be expert at giving tool virgins crash courses in the safe operation. dont forget a safety rcd for your electric plug.

    Sep 28, 2008 | Metabo W14 125 Ergo Angle Grinder 5"

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