Hi Paul,

Awhile ago you were working on the Ford planet carrier and were removing
the cross pins that hold the planet-gear axle dowels in place. I
remember frustration was the order of the day. When you finally removed
them was there a method that worked best?  ; )    Thanx,  Dave

They are staked in there. You might try taking them to a shop
with EDM Electro Discharge Machining. They can drill them
out so to speak with out hurting the planet carrier or the
pinion shafts.

What ever you are doing sounds interesting. Designing a new
gear box perhaps? We need a better, lower weight design based
on the cheap Ford parts.

Paul Lamar ...No rotor no motor.

Dave,
You can spot weld a stud onto/into the roll pin and use it to extract
the pin.  I've seen sacrificial studs made just for this purpose, though
I've never tried the process.

Another possibility is to drill the pin with successively larger drill
bits.  When the wall of the pin is around a fourth of its original
thickness the pin will usually stick to the bit and spin right out.  A
carbide drill bit with lubricant will cut the roll pin.  I would take
the time to make jig to solidly cradle the planet carrier for drilling
off-center, so, it doesn't get away from you and break one of those
pricey carbide drills.

Aubrey Thompson

Not all are roll pins Aubrey. Some are solid pins staked in place
with blind holes.

Paul Lamar
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