Re: Problem with PC-7518 depth adjust lock

[Swingman]

Ha! ... about the only problem I have with my 7518 ... and one I have done nothing about either.

The problem is the heat buildup during use causes the metal to expand, tightening the nut beyond human ability to un-tighten without pliers ... something I keep handy for just that.

There is a solution (which I haven't bothered with because I tend to forget the frustration between uses) that involves using a bicycle seat clamp to replace the current locking assembly. You can find more about it at:

luck ... and let us know if you do the fix, and what parts you needed. A regular here has a picture on their website, but can't remember who it is ... hopefully they, or someone with a better memory, will chime in.

[Swingman]

Ha! ... about the only problem I have with my 7518 ... and one I have done nothing about either.

The problem is the heat buildup during use causes the metal to expand, tightening the nut beyond human ability to un-tighten without pliers ... something I keep handy for just that.

There is a solution (which I haven't bothered with because I tend to forget the frustration between uses) that involves using a bicycle seat clamp to replace the current locking assembly. You can find more about it at:

luck ... and let us know if you do the fix, and what parts you needed. A regular here has a picture on their website, but can't remember who it is ... hopefully they, or someone with a better memory, will chime in.

[Roy Smith]

Ah, this makes sense. I'm glad to hear I'm not the only one with this problem. Not that I'm happy you had the problem, per-se, just relieved that I don't have some kind of wierd degenerative disease sapping the strength from my fingers in the loosen direction :-)

[Swingman]

LOL ... what is amazing to me is that somehow the big wing nut _always_ ends up positioned so that you can NOT get a good grip on it with your fingers.

I just keep a set of water pump pliers with the collet wrenches. One of these days I will explore the bicycle seat clamp "upgrade".

BTW, PC has apparently solved this issue, but from what I understand, it is not backward compatible with our older 7518's.