makita grinder

Brendon Warren · Mar 3, 2015

My 4" grinder just bit the big one. Started arcing inside and when I shut it off it wouldn't turn back on. Feel pretty bad, I got it for Christmas from my folks when I was 16. I'm almost 40 now and both my parents have passed away. I thought of Dad whenever I used it. I don't suppose its worth rebuilding if parts are even available. Does Makita still make a good grinder?

Dalex · Mar 3, 2015

I would bet the brushes are the same as used currently.Look for the parts on Ebay.That's a good quality grinder .

Sean Feeney · Mar 3, 2015

I agree with Dalex e bay under $8.00 for a set to start with eBay item number:221279119627

jon f mn · Mar 3, 2015

Your local hardware likely has brushes in the cabinets they have above the bolt bins, at least they do near me.

Cas · Mar 3, 2015

I have a 7 inch grinder that I have had almost 40 years. Local hardware store closed. Ebay works for brushes. But, I had to grind my teeth and buy 2 switches from the area service center.

Ellis Kinney · Mar 3, 2015

Brendon, If your Dad gave it to you, fix it. I have an old Craftsman electric drill that my Dad gave me in 1964. It went bad and started shocking me. I spent 3 times what it cost new to have it re-built. I use it occasionally. Ellis

mmidlam · Mar 3, 2015

a good hardware store will have a tray with an assortment of electric motor brushes. Might have to file the brushes a little to make them fit.

Brendon Warren · Mar 3, 2015

Good news! I got lucky my uncle had the same grinder and it wouldn't work. I cannablized the brushes out of it and mine works again. I think I'm going to hunt up the parts to fix the other one. I think his just needed a switch. Thanks for the help and encouragement guys. I think I'll quit using it so hard. I hope I can make it last another 23 years.

RGMartin · Mar 3, 2015

They aren't what they used to be then. I bought a new 4" Makita 2 years ago. About a month back it burnt the windings. Great tool while it worked.

CCer · Mar 3, 2015

Mine quit recently too, a plastic bolt, with a steel nut, on the cord- to- case, the bolt failed, the nut made it's way forward and into the armature windings, ripped them up. A dumb failure. Really ticked me off!

Stephen Newell · Mar 3, 2015

I have good luck with the Harbor Freight angle grinders.

TimV · Mar 3, 2015

Can't vouch personally for them as I've never done business with them myself, but several carpenter/construction/mechanic friends buy their replacement parts from ereplacementparts.com . Decent prices, fast shipping, lots of stuff in stock and good tech support, at least from what I've seen secondhand. They've also got a bunch of youtube videos on common diagnoses and fixes. I've got an older Makita reciprocating saw that's not working and I think it needs a switch, but I haven't yet got around to ordering one for it.
ereplacementparts

Ultradog MN · Mar 3, 2015

Yes they do.
I have one just about like that.
Makita makes very good tools.

Charles in Aus. · Mar 3, 2015

The same model as I have . The first angle grinder I owned and still going strong after years of working far above its capacity . The switch on mine can get a little wonky at times , I found that a really good blast out with compressed air helps . It seems that grit and dirt can get in behind the slide and cause partial travel so full contact isn't made.

JD Seller · Mar 4, 2015

They are a good grinder. You need to quit using it so hard. Get your self a 8 inch grinder for the big stuff.

Brendon Warren · Mar 4, 2015

I've got an 8" one as well. An old black and decker. I usually keep the wire wheel on the big one, grinding wheel on the Makita, and a cutoff wheel on the cordless DeWalt I've got. I just bought another Makita on eBay. While looking for brushes I found one like the old one new in the box for $48.00 so I went for it.

PJH · Mar 4, 2015

I've got one exactly like yours, and it's old too. I took it apart long ago and greased the gears, but that's the only kindness it's ever seen. It's been a good one (and still is). Glad you were able to fix yours.

C.R. · Mar 4, 2015

I have a harbor freight 4"grinder that broke right out of the box.Brand new GARBAGE .Avoid H.F. tools if you might actually need to use them, get something that will work!

BAnNC · Mar 4, 2015

Google Makita. Looked like about 40 models with cords. Didn't count the cordless.

rustyfarmall · Mar 4, 2015

(quoted from post at 08:26:18 03/04/15) I've got one exactly like yours, and it's old too. I took it apart long ago and greased the gears, but that's the only kindness it's ever seen. It's been a good one (and still is). Glad you were able to fix yours.

I've got one that went up in smoke because the bearings and gears didn't have enough grease in them. I can't even guess how many years of hard use it gave me before that happened, so I'm not complaining, but if I had known it was possible to take it apart and add new grease, that old Makita would still be working.

PJH · Mar 4, 2015

Yeah Rusty, they're greasable, but I'm not guilty of over doing it, ha. Mine needs it again - it's noisy. Might do it this afternoon - it's too nasty to work outside.

old · Mar 4, 2015

Good chance a new set of brushes and a bit of clean up of the armature will fix it. Done a good many electric motors and have had pretty good luck

rustyfarmall · Mar 4, 2015

(quoted from post at 12:47:09 03/04/15) Yeah Rusty, they're greasable, but I'm not guilty of over doing it, ha. Mine needs it again - it's noisy. Might do it this afternoon - it's too nasty to work outside.

Mine died while in use. Just sort of began slowing down and then completely stopped. I took it apart, but there was nothing left to save. Pretty well chewed up and half-melted everything in there.

Dr. Walt · Mar 4, 2015

I let the smoke out of my Makita Grinder while using it at work, a number of years ago. Kept it hoping I could find another armature for it. Well, about 12 years ago a Cummins Tools truck came to my area for a 3 day visit. Went up to check out what they had (mostly cheap import stuff), bought a few items, and sitting near the back door of their semi-trailer was a LARGE cardboard box full of broken/reject/returned 4 1/2" Grinders. Made them the offer of $20. for the entire box, & I got it. In the box were over 30 grinders; found an armature & bearings to fix my Makita, PLUS I was able to build up 7 really GOOD working grinders, with lots & lots & lots of spare parts. BEST $20. investment I've ever made. LOL!

Doc :>)

IaLeo · Mar 4, 2015

I visited the Sterling truck (old Ford) plant in Canada a few years back and Makitas cordless was the only brand they used on the production line. My daughter was a set designer for a theatre and they had the best luck with the dozen or so Makita cordless tools they used to build and tear down sets. Leo

GordoSD · Mar 5, 2015

I have that 4 inch model also. It's lighter and cam get to spots the 4 1/2 Dewalt can't get to. I keep cut off wheels on my air grinder. More rpm.

T in NE · Mar 7, 2015

I got a couple sets of brushes from Makita for an electric impact last fall. They were a lot easier to deal with than DeWalt. Got me the right parts faster.

JohnTioga CountyPA · Mar 14, 2015

I've always heard of them refered to as "macheat ya" Toss the piece of junk.

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