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Wheel and brake assemblies must be maintained properly.  As an old A&P IA I
have noticed owner maintenance on these items to be less than proper in many
cases.  The axle nut must be tight, as noted a few days ago.  Torque on a
good bearing will not cause damage.  A loose bearing will self destruct.
Don't be afraid to torque your axle nut.  After all play is gone go to the
next cotter key slot.
Always clean your brake pad backing plates with a wire brush prior to
riveting on new pads.  Thoroughly clean the calipers.  The sliders and their
"holes" should also be clean and smooth.  If there is excessive play here,
replace the plate mounted on the axle and/or the pins.  Lubricate pins and
slider holes with nickel base anti-sieze paste to prevent rust and to
facilitate brake release.
Clattering is not normal and should be investigated.  A good set of wheels
and brakes will only rarely make noise during taxi.  If you still have
trouble see your local A&P.  It is much cheaper than a trip into the grass
or a light!
Walter Dodson  1895740IA
ps: See if the brake line or hose is putting a twist onto the caliper...
that will wear your pads unevenly.

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LML website:   http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore:   http://www.buildersbooks.com/lancair

Please send your photos and drawings to marvkaye@olsusa.com.
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