The purpose is to wear off any high spots and create a light glaze on the
pads which will remain with normal use. Lack of proper glazing will wear
the pads pre-maturely.

http://www.parker.com/ag/wbd/cleveland/pdf/Wbtech.PDF has procedures for
both metallic and organic pads. Rapco's procedure is below.

Jim


Rapco, Inc:
Our normal break-in procedure for brake discs using the Rapco, Inc. RA164-
discs, is to get the friction material
hot (Approx. 850 Deg. F.) by performing the following:

a.. Use proper maintenance techniques by insuring that the friction
material is completely clean and dry of all
solvents and hydraulic fluid
b.. Perform a moderate-speed taxi (10-15Kts ground speed), insuring that
you have proper braking
(There will be very little brake action at first).
c.. Allow the brake to cool by taxiing across the airport or down field,
without using brakes. If you are not
going to fly the aircraft during the break-in procedure, then allow the
brakes to cool
for 45 min. until the next high-speed taxi stop.
d.. Once you've established positive brake action, you can proceed to a
full-stop landing using significant braking.
(Short field landing procedure). At this time the pilot should notice the
brakes starting to grab more.
If this is sufficient braking action, there is no need for another stop
cycle.
e.. Perform another short field landing, leaving the landing gear extended
throughout the landing pattern.
This allows the brakes to cool properly before the next heat cycle. After
this landing you should have
significant brake action
Paker:


"Roger (K8RI)" wrote in message
...
On Fri, 29 Jun 2007 07:49:26 -0500, "Jim Burns"
wrote:

Both Rapco and Kelly Aerospace have break-in procedures on their
websites.

If they are hydraulically operated disk brakes what reason could there
be for a break in? Even highly polished disks will roughen within a
day or two from moisture in the air and the pads should seat fully on
the disks with no special effort even if the disks are grooved.

Jim

"karl gruber" wrote in message
...
I just installed new break pads and am wondering if there is a
procedure
to
brake them in?

Best,
Karl