12-29-2016, 08:18 PM
(12-29-2016, 11:36 AM)Old Minger Wrote: ...I'm starting rebuilding the head...
Having tinkered with a Kondia Powermill (a beefier copy of a BP) there are a few things to be cautious with the pulling the head apart.
If you pull the quill lever out the quill will drop out and end up on the floor! I always ensured it was resting on some blocks of wood before I did this.
You will also want to take the skirt off before dropping the quill, as it will shear the little ears off if you dont. The quill spring will probably come off the shaft as well and whilst it can be a PITA to get back on it shouldn't be a problem.
You will need to make a tool (if you don't have a suitable pin wrench) to retension the spring. It engages with the two screw holes in the hub and from memory it is 2.5 turns to set it correctly. It is just there to counteract the weight of the quill, not to return it to its upmost position.
Most of it is intuitive but you need to keep your eyes open for retaining grub screws that are covered over with years of grime and paint jobs by previous owners. Most of the internal parts come out in a specific sequence, so take your time and think each step through.
I made a bench stand for my head, which made it so much easier to work with. You could also use an engine stand but I found the height annoying, so made a bench stand instead.
You may already know this but I just thought I'd share my experiences.
Hunting American dentists since 2015.