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Unread 18-01-2009, 22:46
writchie writchie is offline
Engineering Mentor
AKA: Wally Ritchie
FRC #2152 (Team Daytona)
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Rookie Year: 2007
Location: Daytona Beach, Florida
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Re: AM Planetary Gearbox (removing the fisher price gear/buying one without a gear)

Search this site for various ways to remove the pinion gear. You need to be very careful or you will trash the shaft and/or bearings.

We dremel a notch and then whack the pinion with a cold chisel. Cold chisel alone will work if you have a big enough hammer.

I believe that Andy Mark was supposed to be a source for the motors this year, probably with the pinion attached. I also believe that the entire assembly (but not the motor alone) can be ordered as a fisher price replacement part.

Beware - only the motor with the 9015 part number markings is FIRST legal.
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