Question about Dewalt d28770 heavy - duty variable speed deep cut portable band saw

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How to replace a chain on a portable band saw

Replacing a drive chain

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Check your manual.

Posted on Aug 01, 2014


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1 Answer

Chain will not lock. Locking handle stays in locked position, but the chain is not locked

You're referring to the chain brake handle. This brake works by a break band which grips the clutch drum. Its held within the sprocket cover in the right hand side of the saw.

I've added a link to the downloadable PDF parts manual for your saw so you can see what's broken and what needs to be replaced.

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Check your manual. If you don't have, go to and see if they have the manual for your band saw. Replacing drive belt is easy, the same process on how you install belt on other saws. I saw a video on youtube about, I suggest you watch band saw videos.

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How do you replace clutch on cs 350 echo chain saw

I am guessing what you are calling the clutch band is the anti kickback brake. It is operated by a "lever" in front of the hand grip on the front of the saw. Pull that lever towards the rear of the saw to get more slack in the band.

Jul 31, 2014 | Echo Garden

1 Answer

I need to replace the gear oil in a Dewalt D28770 portable band saw. what type of oil do I use

I suggest you buy the gear oil from Enco. And buy blades on

May 25, 2014 | Saws

1 Answer

Jammed my 6230 bandsaw during a cut and now it won't start. Are their fuses I can replace?

Go to Milwaukee Tool website and try to check if you can download a manual or electrical diagram there. You can call or email them. Check the motor capacitor.
Are you using an old or new band saw blade? If it's old/dull, try different blade. If it's new, the weld might be really bad. Old Blade and Bad weld can cause the blade to jump off. I purchased band saw blades on . Great quality blades; they have porta band blades. Call them.

Oct 23, 2013 | Milwaukee Tool Milwaukee 6230 Deep Cut...

1 Answer

Millwaukee portable band saw. We have been cutting metal closet rod with this tool for several years. The saw blades will no longer tension up tight enough. What needs to be replaced to regain the ability...

the tires could be worn, the blades mightt be a problem and underneath the front wheel there is a cam that might have the tang on it bent, to remove the wheel there are 3 torx bolts and under the cover there is a retaining ring to remove the wheel. the shaft connects to the tensioning lever and the tang on it should be straight.

Aug 03, 2011 | Milwaukee Tool Milwaukee 6230 Deep Cut...

1 Answer

Need to replace drive chain that somehow broke. I have the new chain already. Upon pulling the dive wheel, I can't understand how to get the chain on both sprockets as they are buried deep in the...

Please see this link for exploded parts diagrams and an instruction manual for your saw, though the manual is likely to be little help.
If the diagrams don't give you what you need, you'll have to call your local DeWalt repair facility and try to get a tech on the phone, as I haven't ever torn into one of these saws that deeply.
Good luck,

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Jul 24, 2011 | Dewalt D28770 Hd Deep Cut Variable Speed...

1 Answer

Chain brake not working right

strip cover and check that all the dirt etc is cleaned out and the brake band is in the correct position If the brake band looks worn ie thin in places replace with new one. Dirt can also get in the pivot of the chain brake handle and cause it to jam, saw should be stripped and cleaned at the end of every days use and the bar turned over to even out the wear

Feb 08, 2011 | Homelite Gas, 20 In. Bar, 46 CC, Chain...

1 Answer

Broken drive belt on ryobi band saw, need

Just go to a well equipped hardware or auto parts store. Take the old belt with you so they can find an exact replacement. Good luck!

Apr 26, 2010 | Ryobi 9 in. Benchtop Band Saw

1 Answer

Motor runs but drive wheel won't turn

either the chain/sprocket are damaged or the gears themselves are stripped. Go to and you can download a schematic for this tool. If this is an older tool they made a change to a double roller chain/sprocket. Let me know if you need more help.

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