In a message dated Wed, 7 Nov 2001 3:07:59 PM Eastern Standard Time, David
Massey <105671.471@compuserve.com> writes:
> What I don't like about open jawed wrenches is that they put the pressure
> on two corners of the bolt head. The square socket will load up on four.
> If the adjuster is in good working order and will turn fairly freely the
> open jawed wrench will work just fine. If the adjuster is rusty (more
> likely) the open jawed wrench will just round off two corners after which
> the user is likely to reposition and round off the other two. Then out
> comes the vicegrips. The square socket will more likely snap the square
> head right off forcing a replacement.
And you'll get no argument from me on anything you've said here, Dave. Again,
though, let me emphasize that this particular wrench has very DEEP jaws, unlike
the average 1/4" open-end wrench (the likes of which I stopped using on Girling
brake adjusters around 1970 when I obtained this Snap-On wrench). The deep jaws
do seem to minimize the possibility of rounding, as the wrench fits very snugly
on the 1/4" peg.
Also, I've long since learned never to force these adjusters. When they're at
all stubborn, they come off the backing plate and get soaked or heated, freed
up, cleaned up and carefully greased...THEN they go back on. ;-)
FWIW, Subarus used to use a very similar adjuster with a 6mm(?) peg. The same
wrench usually worked very well on those. But the point is that the Subarus
came with nice molded rubber covers for the peg that seemed to help keep them
cleaner and freer. I always meant to steal one off my late, relatively
unlamented Subaru and try it for size on a Triumph Girling adjuster but never
got around to it....
--Andy Mace
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