Alt conversions for T-3

[Jason Renville <Jason_Renville@ccm.al.intel.com>]

I am just forwarding this from the vintage VW list from a while back.
I take no credit or responsibility for its content.  It all seems to make sense 
though.

                Jason REnville
________________________________________________________________________________
     
First, I suggest removing the motor from the car.  It will make the 
process much easier.  Now make some reference measurements on the 
generator and alternator, and determine the clearance the pulley has 
between the fan shroud.  Next, remove the generator and the sheet metal 
fan shroud/generator belt cover.  Also the aluminum fan shroud needs to be 
modified.  The left half of the cradle that the generator sits in needs
to be removed.  I used a saw-zall, leave the stud for the hold down strap. 
Remove the cooling sheet metal that lies underneath the generator.
This will make it easier to put the alternator in place, the sheet 
metal will need to be modified before it is replaced.  Now place the 
alternator in place of the generator.  Remember that the alternator 
will be used backwards.  It will not rest in the cradle that the 
generator used because it is hitting the distributor.   To put the 
alternator in position rest the large (non-driven) end on the
aluminum fan shroud.  Make it level and place something under it to hold it. 
Measure the distance between the fan shroud and the pulley, and if it
is not the same as the generator then move the alternator.  Once the alternator
 is in
position , free of the distributor and the pulley is where it needs to be 
then the spacers need to be constructed to support the alternator.  This part 
everyone will do differently.  I made some temporary ones out of wood.
 After it
  was
where I wanted I made them out of metal.  The generator hold down 
strap can be u
 sed,
but it needs to be modified a little.  My method may not be the same as yours.
 Finally,
once the alternator is tight the cooling sheet metal needs to be modified along
 with the
belt cover/fan shroud.  The cooling metal needs a slit cut into it 
to let the fl
 ange
on the end of the alternator to pass through it.  A little measuring 
and a pneum
 atic
utility cutoff tool did the trick.  The easiest way to do the fan 
shroud is to p
 ut it
ijn place and see where it hits (since the alternator is both higher and to the
 left of
where the generator sat).
     
This will give you a little better idea of what is involved.  I did 
this in less
  than a
day.  I could provide you with drawing of any problem related areas if you are 
interested.  This would be over snail-mail because I do not have a
way to put it
  on my
computer.
     
Just a little more information.  I hope it is helpful. I must say 
that the alter
 nator is
far superior to the generator that I originally had.
     
     
--
     
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 Tim Fink                           \    /
                                     \  /
 69 Squareback                  \     \/     / 
 79 Dasher                       \    /\    / 
 81 Diesel Rabbit                 \  /  \  / 
 67 Fastback                       \/    \/
     
===================================================================
     
tfink@hubcap.clemson.edu
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Re: T3 Alternator conversion