Pete Snell wrote:
Nice catch Jon!

The handle is to adjust belt tension. I have a unit very similar to
yours but with a different name on it. ;-)

To change speeds; loosen the two thumb screws at the back, this will
allow the motor to slide forward, loosening the belts on the pulleys.
Put your belt on the desired pulley steps, then turn the handle to
push the motor back, which tensions the belts. Tighten the
thumbscrews to lock it and you're ready to drill.

On a side note, if the drive seems noisy, replace the drivebelts
with some good quality ones. The belts that came with it are probably
kinda 'lumpy'. I also had to replace the chuck on mine, as it was
pretty wonky, but it's given me great service over the years.

Oh and BTW if you replace the light bulb with a smaller appliance
type bulb, you'll be less likely to smack it with something and break
it. DAMHIKT

Thanks Pete, I appreciate it. I actually pulled the bulb out yesterday just
before I yarded the unit out into the carport to brush the rust off of the
column.

It is a bit noisy, too; thanks for the tip about the belts.

Jon