Question about Makita Orbital Reciprocating Saw 2500 Spm, 115 Volt, 9.3 Amp

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Orbital or Straight Comparison

What is the difference between the types? (Orbital or straight)

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An orbital reciprocating saw moves in a more elliptical or oval shape rather than just up and down. This makes it more aggressive and gives it a faster cut. Straight reciprocating saws move on a single plane, back and forth.

Posted on Aug 27, 2008

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Model# 315.171010.My saw has very little power and binds up when trying to cut through thick stock like a 4"x4"

Remove BLADE! I'm not going to tell you when to unplug and plug the thing; If you don't know, you don't have enough to work on it in the first place.
Quick check: Is there a speed control? Is the cord damaged? You said different outlets, but did you try different circuits? Is the shaft straight?

Is your blade sharp and straight ?

Several things can effect an electric motor speed and power: voltage, amperage, phase, resistance- both electrical and physical.

If you are using a extension cord it must be at least a #14 up to 100'. The resistance causes a voltage drop. If you are going past 100' you need #12. I have a 50' #12 and some 25' #10 to go farther than 100'. I use a generator if I'm going to be past 150' for anything more than a few cuts. This holds true for any power tool. The only thing to use those #16 extension cords for is lights, 1000 watts @ 50', ? 5oo watts @ 100'. For more info go to your local electric supply house and get an "Ugly's" reference book.

First clean the saw thoroughly, blow all the dirt from around the shaft and CAREFULLY inspect the saw. Is the shaft straight? Are the bushings tight (too tight)? Can you work the shaft thought its motion by hand? Try spraying into the trigger with contact cleaner while working it. Then try it again.

Open the housing and inspect carefully. can you turn the motor with you finger? Does the trigger move correctly, check all connections. Observe the wires look for "skinny" spots that might indicate an internal defect or melted insulation. Look at the ends, check the attachments and make sure there are no broken strands. Gently pull on the connections. Look for out of place motions. Measure the voltages at all locations. Measure going into the switch then with the switch full on. You can measure the resistance through the switch ((unplugged) dang, I said I wasn't going to do that.) It should be zero or just a few ohms.

Switch - to check bypass it with a jumper wire it will run at full speed, so hang on to the saw. If it runs, spray it with contact cleaner. Fixed? No? Replace switch...

Pull back the brushes to check that they are freely moving, check for completeness, Are they making proper contact with the armature? Are they in the correct place? Normally Brushes are a go/no-go problem but I have seen some anomalies.

Can you spin the motor with your finger? It should be fairly easy to move.

If you don't find the problem here You may well need to take it further apart. Take lots of pictures of where and how things fit Before you start. Go to the dollar store. (I use Dollar General) buy at least 5 ( 10 is better) colors of nail polish. Put a dot on screws and a dot in the hole it came from. I only mark the screws from sets that have differing sizes. e.g. If the housing screws are not all the same size I'll mark the different ones and the holes they came from and put them all in one pile. In some cases there are lots of screws the same size or close enough to confuse and not notice until you have it 'mostly' back together. Then I mark sets with one color and the different ones in the set with two colors. (E.G. all housing screws yellow, odd ones yellow with red dot.)
You may think that's a bother but the first time you knock over a container or have a delay (like waiting for parts) you will thank me for the idea..

Long winded but wanted to go through all the steps I would. I hope it helps. Feel free to email me, I'll tell you how to check the armature but they usually cost more than the saw is worth. You can also find bearing online pretty cheap.

Jun 12, 2015 | Craftsman Reciprocating Saws

1 Answer

Blade keeps popping out

try lubricating the mechanism with WD-40 or similar the pin also might be worn and need to be replaced, try lubricating first.

Dec 31, 2011 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

1 Answer

Cant seem to get the saw to rotate have a 12 amp orbital saw zall

if by rotate you mean the orbital action, could be a couple problems. first there is a pin inside the gearcase that rides on an eccentric shaft that one or both could be worn not allowing this. Also the lever mechanism that turns for the orbital might not be rotating fully. I would suggest before attempting anything that you go to and under parts/service download the breakdown so that you can see what you are getting into. DO NOT remove the retaining ring that holds the orbit pocket assembly into the gearcase, it requires a special service fixture to reinstall and it is no fun. Let me know if you need more assistance and I will try and help. Thanks

Feb 11, 2011 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

1 Answer

How can remove gearcase insulator?

first reove the pivot shoe and then get a GOOD PAIR of pliers and on the front end grip the insulator and "pull" you will have to lift the insulator over the slide control for the orbital action but that is the only way

Jan 24, 2011 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

1 Answer

How do you change brushes on milwaukee sawsall

depends on the model number but, if you can see a black screw on the upper and lower portion of the tool UNPLUG the TOOL and remove the screws and the brushes are underneath. If you don't find the brush caps you need to remove the handle halves and expose the rear of the motor to access the brushes. I would recommend going to and with your model number under service type it in to download a breakdown for this tool.

Sep 11, 2010 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

1 Answer

Mater craft reciprocating saw switch getting power but saw isn't working

The switch has gone bad and the contacts are gone...
you will need to replace the switch...


Apr 30, 2010 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

1 Answer

I bought a delta scroll saw model number 40-540, the blade was broken. I need to know how to change the blade and what type of blade the saw takes. Thank you

your delta scroll saw has two blade attachment points one under the table and one in the arm. attach under the table first and then in the arm. that way you can be sure to adjust the tension properly.

there are only two styles of scroll saw blade, those with pins and straight blades without pins

look carefully at your saw and you will be able to see which type holder you have

Sep 15, 2009 | Reciprocating Saws

1 Answer

Need a users manual

go to and type in your model number under parts/service and it will take you to a page where you can download the owners manual and also a breakdown.

Aug 19, 2009 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

1 Answer

Switch wireing for 6509-22 Milwaukee sawzall

go to and type in your model number in the block indicated and you will have a couple options i.e. a manual, breakdown and wiring schematic, all that you can download. Let me know if you need more help

Aug 10, 2009 | Milwaukee 6520 21 12 Amp Orbital Sawzall...

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