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DW735 Planer chain tension spring?

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Forum topic by Mark828 posted 09-28-2013 11:53 PM 513 views 0 times favorited 9 replies Add to Favorites Watch
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Mark828

92 posts in 647 days


09-28-2013 11:53 PM

Topic tags/keywords: planer question

I was cleaning up my planer today and when I took the cover off the side with the height adjustment handle to reveal a feeder chain and belt I noticed there was a spring broken that looks like it was meant to activate a little wheeled lever that put tension on the chain

I’m not real sure how long it’s been broken but I’ve been using it a lot lately and haven’t noticed anything about it running odd. I plan on fining a replacement spring tomorrow but am wondering if it is a bad thing that it’s been ran a lot with it broken or was it just meant to keep the chain from popping loose.

Help…!


9 replies so far

View Mark Shymanski's profile

Mark Shymanski

5115 posts in 2431 days


#1 posted 09-29-2013 12:00 AM

Might be an idler spring. Having the drive chain flap around may cause undue wear and tear and it may leave the chain in a position to flip off. I think you are on the right track planning on fixing it. You may get by fir the rest if tge life if the planer or the next board through could flip the chain off and bust a chain or gear tooth.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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DKV

3194 posts in 1223 days


#2 posted 09-29-2013 12:36 AM

Mark, can you post a picture?
Thanks,

-- Have fun and laugh alot. Life can end at any moment. You old guys out there know what I mean...

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Mark828

92 posts in 647 days


#3 posted 09-29-2013 12:46 AM

Here.

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ajosephg

1854 posts in 2279 days


#4 posted 09-29-2013 12:54 AM

Yep – it’s a chain tensioner. Fix it ASAP.

-- Joe

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Mark828

92 posts in 647 days


#5 posted 09-29-2013 12:56 AM

Will do!

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JoeinGa

3484 posts in 725 days


#6 posted 09-29-2013 12:58 AM

Yup. it’s the chain tensioner. And while you’re at it, put a few drops of oil on that chain too.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

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Mark Shymanski

5115 posts in 2431 days


#7 posted 09-29-2013 01:59 AM

Would graphite spray work here? I always wonder if the oil doesn’t pick up sawdust and cause clogging. I’m not sure if the graphite spray would provide enough lubrication though.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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tefinn

1217 posts in 1155 days


#8 posted 09-29-2013 03:05 AM

Dewalt recommends lithium grease spray on all the chain drives of their planers. I was told this by the Dewalt service rep that serviced my store for tool demos and RTVs when I worked for HD.

-- Tom Finnigan - Measures? We don't need no stinking measures! - Hmm, maybe thats why my project pieces don't fit.

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Mark Shymanski

5115 posts in 2431 days


#9 posted 09-29-2013 03:08 AM

Lithium grease makes sense.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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