PC557 biscuit joiner kit

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Forum topic by fiddlebanshee posted 07-16-2010 02:36 AM 1357 views 0 times favorited 6 replies Add to Favorites Watch
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240 posts in 3216 days

07-16-2010 02:36 AM

I bit the bullet today and got the PC 557 biscuit joiner. I haven’t tried it out yet, but have opened the package and tried turning all the knobs to see what they do, with the manual beside me. The knob that changes the cutting depth for the various sizes biscuit is really hard to turn. What can I do about that? Is it normal or should I return the unit as defective?

Your advice is greatly appreciated.

-- As if I needed another hobby!

6 replies so far

View Cato's profile


701 posts in 3583 days

#1 posted 07-16-2010 12:53 PM

Try the plunging action a few times before you return it. Could be that will loosen up the cutting depth for different biscuit sizes.

View barryvabeach's profile


159 posts in 3314 days

#2 posted 07-16-2010 01:07 PM

I have had mine for years and that knob is pretty stiff, but I don’t consider it a defect. It is extremely rare to change it – It is nearly always on 20. If I am working on something that will only handle 10 , I switch it to that , then turn it back when I am done. As long as it isn’t stuck solid, I would use it.

View RH913's profile


52 posts in 3255 days

#3 posted 07-16-2010 01:33 PM

Mine is tight too
Terrific tool


View Sarit's profile


551 posts in 3410 days

#4 posted 07-16-2010 01:47 PM

There’s a nut opposite to the knurled knob thats used to lock the depth adjustment bolt. Once you loosen it, it should be easy to turn. It needs to be re-tightened when you’re done.

I used an adjustable wrench to loosen it the first time.

View fiddlebanshee's profile


240 posts in 3216 days

#5 posted 07-16-2010 04:50 PM

Thanks all for your replies. I’m glad to know it wasn’t me, or the particular item. I think I can live with it and will turn it to 20 and leave it there.

-- As if I needed another hobby!

View Rick  Dennington's profile (online now)

Rick Dennington

6379 posts in 3465 days

#6 posted 07-16-2010 07:00 PM

Greetings fiddle,

I don’t have a Porter-Cable, but I”ve got a DeWalt, and it does the same thing when you switch from #20’s to 10’s to 0’s….. I think they are made like that. I don’t know if there is a spring in there to keep it from “jumpng” out of one into the other or not…. They all do it, so nothing to worry about as far as I can see.

-- " At my age, happy hour is a 2 hour nap".....!!

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