20 Most Recent Makita 5007MG Factory Reconditioned 7 14 Inch Magnesium Circular Saw Questions & Answers

The unit is retained by two or three screws surrounding a retaining ring on the saw blade side, and I believe there are some screws holding the gear housing on the motor side that need to be removed as well. I just replaced the bearing on mine a week ago, and even though the situation is obvious once you figure it out I was not smart enough to do so, and wasted an hour trying to figure out how to remove that retaining ring over the bearing. Good luck

Check the brushes and the fuse in the plug otherwise untill it has been opened up and check it is difficult to say.

The armature and field will need to come out. It's quite a bit of work to swap everything over. Here is a parts diagram which should help.Makita 5007MG diagram

Check fuse in plug if fitted, possibly cores in cable have broken, this is most likely to happen at plug and where cable enters body of saw.
You will probably have to open the handle of the saw and do a continuity test with a continuity meter or multimeter from the pins of the plug to where the cores of the cable enter the trigger switch. If this checks out ok, then check brushes haven't worn, check for any overheating on armature.

if you give me your general area I will try and find a local dealer for you, you can also look in the yellow pages under tool repair for an authorized dealer, but it is faster online to find one. Or if you want you can go to Makitausa.com and they have a locator. Let me know if you need more help before voting please and thank you.

Just join the two wires together if they work by providing current, or disconnect if they work by being open circuit. Microswitches are normally safety related so bypassing them is not recommended. Just replace the switch if it is faulty. £13.99 https://www.google.com/search?q=microswitches+on+makita+LB1200F+bandsaw ..

First thing I would check are the Carbon Brushes. The are # 75 in the picture



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clean and check for debris

https://www.google.com/search?q=How+to+work+makita+ls1013+without+controller+device&oq=How+to+work+makita+ls1013+without+controller+device&aqs=chrome..69i57&sourceid=chrome&ie=UTF-8

If you have removed the kerf boards and the center bolt the saw will lift straight off the turn base. It is possible the aluminum is deformed a little, but it will pull straight up and off if that bolt is out

https://www.manualslib.com/manual/1170716/Makita-2414en.html?page=9

spray with lubricant

may be to late for lube noise either bearing or gear worn /debris or damaged

You are increasing the load on the bearings.

Hello Derek, it seems that your motor or motor brushes have failed please contact the manufacture about replacing the motor brushes.

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All portable power tools including saws and most tradesman type saw benches use the light and powerful series wound brush-type motor that doesn't use a start capacitor. The single phase induction motor that does use a start capacitor is far too bulky and heavy for portable tools but is found in many of the static workshop tools. The powerful brush type motor is electrically very noisy and is almost permanently at the edge of self destructing. Good suppression to prevent radio and tv interference is necessary and this also helps protect the motor but a mains transient or power surge while in use can cause an internal surge destroying the insulation of the windings rendering the motor useless in a millisecond. This could be what happened to your saw though it could equally be an internal short circuit in the power cord or inside the saw and these things must be checked before either writing off the tool or sending it for repair.