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Forum topic by Marshall posted 10-12-2014 05:18 PM 1488 views 1 time favorited 18 replies Add to Favorites Watch
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Marshall

151 posts in 1835 days


10-12-2014 05:18 PM

Hello,

I’m attempting to change the knives on my dewalt DW735. The screws that hold the knives in place are in so tight that I managed to strip the hex head on a couple of screws. I tried the screw extraction tools that home depot sells, but they did nothing but spin in the drilled out head. Does anyone have any suggestions? I’m at a loss…

Thanks

-- Marshall - http://mcomisar.tumblr.com


18 replies so far

View mpsprunger's profile

mpsprunger

16 posts in 1641 days


#1 posted 10-12-2014 05:38 PM

you probably need to heat them w/ a torch, slightly, in order to loosen them. Also take a ballpeen hammer w/ the torx bit inserted into the screw. Hit it sharply, attempting here again shocking the threads on the screws. I didn’t have any problem when I changed mine

View WhyMe's profile

WhyMe

879 posts in 1341 days


#2 posted 10-12-2014 07:15 PM

If the heads are striped out then you’re down to having to drill the heads off unless you can cut a slot in the head to use a flat screw driver. I had a couple of tight blade screws on my DW735 but giving them a whack as suggested by mpsrunger got them to come loose.

View Redoak49's profile

Redoak49

2790 posts in 1768 days


#3 posted 10-13-2014 12:17 AM

There are a lot of threads about this problem and many people who have encountered this problem. I think that you are best off drilling the head off or cutting them off with something like a Dremel tool. While some will do fine with a torch, I think there is too much plastic in that planer to take a chance with a torch. You can try the torch if you wish but be careful.

I assume that you have the older hex head bolts. They have replaced those with a Torx head. If the heads were not stripped I would use an impact wrench to get them out and pushing the bit very hard down into the head. I used an 18V Makita impact driver to get mine out. I replaced all with the Torx head bolts.

View Marshall's profile

Marshall

151 posts in 1835 days


#4 posted 10-13-2014 02:52 AM

Thanks for the replies everyone. I’ll give the impact driver a try on the ones that arent yet stripped. Yes, they are the hex heads.

If i cut the heads off the stripped ones with a dremmel, what is the best way to remove the posts?

Where did you find the torx heads? Seems like metric torx are pretty tough to find. I did find some on servicenet, but it would be almost $40 with shipping.

Thanks

-- Marshall - http://mcomisar.tumblr.com

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Marshall

151 posts in 1835 days


#5 posted 10-13-2014 11:43 AM

Found them at mcmaster…

-- Marshall - http://mcomisar.tumblr.com

View Redoak49's profile

Redoak49

2790 posts in 1768 days


#6 posted 10-13-2014 12:43 PM

You can get them at servicenet. They have a part “5140067-11 HARDWARE BAG” which includes the Torx bolts and wrench for about $20 plus shipping. I bought this to convert my DW735 from the hex head to the Torx head.

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WhyMe

879 posts in 1341 days


#7 posted 10-13-2014 01:29 PM

Once you cut the heads off the tension is released and the screws stubs may just come out easily using your fingers. If not, pliers should turn them.

View verdesardog's profile

verdesardog

148 posts in 2391 days


#8 posted 10-13-2014 01:32 PM

That is one of the main reasons I replaced the head in mine with a helical cutter. You need an impact driver to change the OEM blades which actually suck IMHO…....

-- .. heyoka ..

View gwilki's profile

gwilki

162 posts in 1253 days


#9 posted 10-13-2014 02:55 PM

I’ve changed blades many time on my 735 and never had to use anything other than the provided wrench. One thing that I did early on was to put anti-seize on the threads. Then, don’t over tighten them.

-- Grant Wilkinson, Ottawa ON

View Nugs's profile

Nugs

66 posts in 1657 days


#10 posted 10-14-2014 02:27 PM

I had the same issue, I managed to get most of them loose with a ratchet and extension. The ones I stripped I cut the heads off with a rotary tool then removed the post by hand. I made sure to call DeWalt service and got them to send me 3 sets of 8 torx for replacements.

When I replaced them I made sure to coat the screws with never seize, and only tightened them with the T handle tool it came with. I haven’t had any issues after removing them after that, they come out easily with the T handle.

View lew's profile

lew

11757 posts in 3535 days


#11 posted 10-14-2014 10:24 PM

When you get them out, go to Fastenal and get better grade hardware. then, like Nugs said, use anti-seize.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Marshall's profile

Marshall

151 posts in 1835 days


#12 posted 11-04-2014 02:42 AM

Thanks for the replies all. This was a beast. I tried an impact driver. I cut a slot in the head for a straight bit once the hex was stripped. Eventually cut the head off one, but couldnt do it cleanly. I still had 5 stuck and stripped.

I ended up taking it to the local dewalt service center. They got em out and replaced them with the torx screws for free (it’s been recalled for this issue). Dont know how they did it, but it only took about 15 min.

-- Marshall - http://mcomisar.tumblr.com

View wseand's profile

wseand

2792 posts in 2822 days


#13 posted 11-04-2014 06:22 AM

What I have done is cut a slot in the head of the screw to use a slotted screw driver in. I have been able to get a better hold on the screw.. Make sure you put an anti seize compound prior to putting the screws back in.

-- Bill - "Freedom flies in your heart like an Eagle" Audie Murphy

View CTW's profile

CTW

48 posts in 1090 days


#14 posted 11-04-2014 07:00 AM

I am so glad that I saw this discussion. I also have a DW735 that I have barely had a chance to use yet and I am really glad to be forewarned. I wonder if I should pull the screws while it is still new and put anti-seize on the threads before I really start using it. Do you think this would help. I am an older woman and do not have the strength to tackle some of these issues when they really start taking extra muscle. Thanks.

View WhyMe's profile

WhyMe

879 posts in 1341 days


#15 posted 11-04-2014 03:58 PM


I am so glad that I saw this discussion. I also have a DW735 that I have barely had a chance to use yet and I am really glad to be forewarned. I wonder if I should pull the screws while it is still new and put anti-seize on the threads before I really start using it. Do you think this would help. I am an older woman and do not have the strength to tackle some of these issues when they really start taking extra muscle. Thanks.

- CTW

Being new will not make it any easier to get the screws out. My DW735 was new right out of the box and a blade had a small nick in it. Dewalt sent me new blades and I had a tough time getting the screws out. At times I really thought the T handle wrench was going to break or strip out the screw heads.

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