NetNews Usenet Archive 1993 #3/NN_1993_3.iso/spool/rec/crafts/metalwor/428

Text File | 1993-01-25 | 1.6 KB | 39 lines

Newsgroups: rec.crafts.metalworking
Path: sparky!uunet!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!The-Star.honeywell.com!umn.edu!csus.edu!netcom.com!badboy
From: [e-mail] (Jay Keller)
Subject: Re: How to remove cross-threaded bolt...?
Message-ID: <[e-mail]>
Organization: Netcom - Online Communication Services  (408 241-9760 guest)
Date: Mon, 25 Jan 1993 07:48:51 GMT
Lines: 29

In article <[e-mail]> [e-mail]
(Michael A. Covington) writes:

>Today I bought a small used circular saw very cheaply, then, on getting
>home, found out why it was so cheap.  The blade is slightly off-center and
>the bolt that holds it cannot be removed.  My best guess is that the
>bolt is in fact cross-threaded (which would account for the unremovability
>and the off-centeredness).
>
>How should I approach the problem of removing it?  So far, I've put a C-clamp
>on the blade (rendering it immobile) and have used an open-end wrench on
>the bolt, with no success, even hitting the wrench with a hammer.  Spraying
>WD-40 on the bolt and leaving it for 30 minutes didn't work.

Take it to a nearbly friendly car mechanic and have him try an air wrench
on it.  It should come out, and he probably won't charge you.  If the threads
are chewed, however, it won't be easy to repair unless maybe you can get
access to the right size tap.  Even then it's hard because you have to keep the
shaft from turning so you can re-tap it.

In any case, you need to get the bolt out to evaluate the situation.

Regards,

Jay Keller
Sunnyvale, California
[e-mail]