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Part 2 - Blower Motor Disassembly
March 27, 2008
Tonight's task was to take the blower motor apart so the housing can be
media blasted and re-painted. Disassembly starts by removing the two nuts
With some gentle tapping on the through bolts (leaving the nuts on a few
turns helps), the end housing comes off.
The next thing I removed is the retainer clip on the shaft. I used a couple
of small screwdrivers to work it off the shaft. Once it got to the flat
area, it came off easily. Also remove the two washers under it.
Here is the retained and two washers. They need to go on in this order.
Next step is to remove the two nuts on the through bolts that are inside the
housing and remove the through bolts.
Once the through bolts are out, remove the other half of the casing (there
are wires attached to the brushes so work slowly), the rotor, two washers
(these go on the end of the shaft), and the spacers.
With the windings off to the side, drill out the rivets holding the brush
assembly to the housing and remove the brush assembly. Note that there are
two springs that go behind each brush (I already removed them).
Here are the windings and brush assembly.
The last step is to drill out the four rivets holding the front bearing to
This is the bearing and the parts go in the order shown.
Here are the housing halves ready to be stripped. The opening for the power
wires has a copper grommet in it which will be left in place.
Up next: New reproduction heater box foam kit!
05/09/08 08:15:47 PM