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Forum topic by Southsider posted 05-23-2020 06:47 PM 253 views 0 times favorited 2 replies Add to Favorites Watch
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Southsider

15 posts in 982 days


05-23-2020 06:47 PM

Topic tags/keywords: 735 735x dw735 dw735x planer dewalt thicknesser shelix helical spiral head

I bought a used 735 with a shelix head. The guy I bought it from couldn’t get it to start recently so he wanted to get rid of it. Apparently he changed the brushes and the new ones burned up in a matter of minutes. Then the machine turning on all together. I’m new to planers so excuse my ignorance. I opened the side with the adjustment wheel and found a broken chain tensioner. What are some reasons this could be happening? A bad armature? Shelix not installed properly? I got a steal on this so I’m hoping to get it running and have a great planer. Let me know if you’ve run into similar problems or have any advice. Thanks!


2 replies so far

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MrUnix

7991 posts in 2930 days


#1 posted 05-23-2020 07:54 PM

Apparently he changed the brushes and the new ones burned up in a matter of minutes. Then the machine turning on all together. I’m new to planers so excuse my ignorance. I opened the side with the adjustment wheel and found a broken chain tensioner. What are some reasons this could be happening? A bad armature? Shelix not installed properly?
- Southsider

I’d pull the motor apart and check the commuter bar and bearings. The contact points for the brushes may be damaged or need cleaning and if worn enough, the mica may need to be undercut a bit. Bad bearings could also be causing problems if they allow enough movement. And then there is always the possibility that the PO either installed the wrong brushes or did not do it properly.

As for the tensioner, I’d say that is just normal wear indicating the machine has seen a lot of use.

I can’t see how the Shelix head would have anything to do with either problem, but you never know. If nothing else, you have an expensive head that can be swapped out to another machine if the current ones issues can’t be resolved.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Southsider

15 posts in 982 days


#2 posted 05-24-2020 05:21 AM

Thanks for the insight Brad, greatly appreciated! I’ll pull the motor and see if I can figure this out.

If anyone is in the Chicagoland area and would be willing to take a look at this pleas let me know.

T

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