We have a winner!
I could not get that screw to back out with PB Blaster, WD40, heat from the
hair dryer, or freeze spray. I noticed the knob wasn't on overly tight (a good
thing this time). I wiggled it and it loosened up a little, then held (gently)
the shaft inside the frame (just inside of the ball bearings) with a stout
needle-nosed pliers and turned whilst pulling. It came off!
The screw was stripped in the CCW direction. I hit it with a little more PB
Blaster, then heat-soaked it in a 250* oven for half an hour. Still no CCW, so
turned it CW until it wouldn't go any further (the screw was so long, it hit
the other side of the hole! With a little more PB, I coaxed it back in and got
it out finally. Had some more setscrews in my hardware cabinet, so I'm all set
with this one!
Thanks to all for the suggestions. I was lucky to be able to twist the knob
off so that I could turn the screw further in.
73,
Steve Wedge, W1ES/4
"I can't complain, but sometimes I still do."
- Joe Walsh
If the above message appears, it came from Steve's Son of Laptop!
----- Original Message -----
From: Chuck Grandgent
To: Steve Wedge
Sent: Tuesday, September 06, 2011 9:22 PM
Subject: Re: [Drakelist] Stuck screw in PTO knob.
Hi Steve,
WD-40 is not really a lubricant, it is a "water dispersal" (hence the "WD" in
the name) mixture, though it has some lubricant properties. I have made that
mistake myself, for example trying to use it to lubricate the hinges on the
doors in the house, where 3-in-1 oil was clearly the better choice.
I dunno what would be the recommended thing for your predicament, but I'm
sure folk will chime in.
For loosening up stuff on the 1950's tractors I got, "PB Blaster" is the
chosen stuff, though it might be totally inappropriate here. Actually, another
thing does come to mind... I rotate my own truck tires, and when the shop
tightened them too much, Marvel Mystery Oil really did the trick, let it sit a
few hours.
Good luck,
Chuck, K1OM
On Tue, Sep 6, 2011 at 9:06 PM, Steve Wedge <w1es1...@earthlink.net> wrote:
I've put a couple of drops of WD-40 down the hole after bending one
screwdriver trying to get the setscrew backed out.
Has anyone used anything else to free a stuck screw? I'm now wondering if
the WD-40 might not swell the plastic, exacerbating the problem...
73,
Steve Wedge, W1ES/4
To be is to do - Socrates
To do is to be - Plato
Do be do be do. - Sinatra
All my computers have my signature with various pearls of wisdom appended
thereto.
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