Question about Makita 9015A 5" Electric Angle Grinders

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How do you change the grinder disk. I have the tool with the two pronges that slide into the nut but the wheel keeps spinning. There must be a trick?

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On the top of the grinder there should be a button. hold that in while turning the disk (please have the grinder unplugged while you do this).
The button wil drop further in when it finds the notch in the gear. This will lock the spindle, allowing you to remove the retaining nut.

Posted on Apr 18, 2009

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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

1 Answer

Grinder manuals


The grinder should have come with a special wrench that fits the "nut" that holds the wheel on. There should also be a button to push to lock the shaft. With the grinder unplugged gently push the button in and turn the wheel till the shaft locks then put the whrech on the nut and spin it off.

Sep 07, 2014 | Craftsman 4 1/2 in. Small Angle Grinder

1 Answer

How do i change a grinding wheel


Unplug the grinder. Remove the guard on the side you want to change. Grasp the wheel with one hand while you turn the nut with a wrench. Remove the nut and arbor washer from the arbor shaft, pull the wheel from the shaft and replace it with a new wheel - DO NOT remove the paper label! Put the arbor washer and nut back on, spin the nut down snug, grasp the new wheel with one hand while you tighten the nut with a wrench. DO NOT overtighten the nut.

It may help to grasp the SECOND wheel (which should still be tight) with one hand while you tighten the nut on the new wheel. It may also help to loosen & tighten & adjust the new wheel several times until it runs as straight as possible before you really tighten it.

After tightening down the nut, dress the wheel with a wheel dresser to get it to run as balanced as possible and give you a smooth round wheel so your workpieces don't bounce against the wheel and so it cuts freely. Repeat as necessary to keep the wheel cutting freely, and to keep the grinding surface flat.

Jul 21, 2014 | Hitachi GT15 BENCH GRINDER 150MM 6 INCH...

1 Answer

How do you change the wheels on this bench grinder


Once you get them snugged a little, you will probably have to hang onto one wheel while you tighten a nut. It's easier if you tighten down one wheel with the other wheel dismounted so you can really grab the arbor shaft.

Do NOT overtighten either wheel - it doesn't need it, and overtightening increases the risk of a catastrophic wheel explosion.

Apr 28, 2014 | Grinders

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

    I dont know how to change the wheel/blade on this DeWalt cut off tool/grinder! Help!


    If its a hand held grinder, on the back or the side of the grinder itself there is a button in which you must depress. While depressing it you must turn the wheel at the same time until it locks in place. You have to keep the button pressing to get it to lock.

    Once it locks into place, you need a spanner wrench to loosen up the nut (counterclock wise). If you have a grinding wheel on it, some just screw on without a nut. And if this is the case, then just grab a hold of the wheel by hand and turn it counterclock wise and it should come off.

    Make sure you unplug the tool before doing any of the above.

    Jun 01, 2011 | Garden

    1 Answer

    My Makita bench grinder has four holes to change the grinding wheel..how to I get the retaining nut off as I don't have a tool to fit the four holes?


    Make your own wrench out of a piece of wood stock,with 2 screws or nails spaced out to 2 opposing holes in the retaining ring/nut.HarborFreight sells a 'spanning wrench' online .

    Jun 30, 2010 | Makita Nip 5"(127mm) Bench Grinder Wheel...

    1 Answer

    Angle grinder


    on a grinder the nut that holds the wheel on has left handed threads.....that means it has to be turned in the opposite direction than conventional nuts do..there should be a button on the casing to hold in..this keeps the grinding wheel from turning wheel being removed....remember to unplug first..thanks and have a great day

    Jan 03, 2010 | Saws

    2 Answers

    I don't know how to change the grinding blade on my makita angle grinder.


    There is a nut that you release from the middle of the grinder wheel, (grinder blade)
    This nut is flat and has four holes in it.

    You will see you are providing a spanner wrench to remove this nut. The wrenches' actual name is Lock Nut Wrench. It has a U shaped end with two pins sticking out. On on each side of the U shape.

    The pins are inserted into the holes in the flat lock nut, located in the middle of the grinding wheel. The wrench is laid flat against the grinding wheel, with the two pins of the wrench going into any two holes of the nut.

    At the top of the Makita grinder you will see a Black button. The button is pushed down to keep the grinding wheel from spinning. Holds the grinding wheel in place, as you turn the lock nut loose. When you release the button, a spring inside pushes the button back up out of the way.

    As you view the Makita grinder, Release Button towards the Back, grinding wheel towards you, the nut is turned to the LEFT, to loosen. It is a Left threaded nut.

    The grinding wheel spins to the Right. Using a left threaded nut insures that the nut will stay tight, due to the direction the grinding wheel spins.

    Oct 01, 2009 | Makita Usa Inc 9557PB 4 1/2" Angle Grinder

    1 Answer

    How to change the craftsman 6'' grinder wheel?


    without having the model number I can only go from experience on other grinders. First you would have to unplug tool and remove outer guard housing to expose the hex nut, one side of the tool would have a left hand thread and the other standard so you would need to hold both the hex nuts at the same tme and try both ways, when you get one off put a GOOD pair of pliers or similar device on the shaft and remove the other wheel

    Jul 17, 2009 | Craftsman Grinders

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