David, I have the service manuals for the H1a, H3v, SP-1000 and SP-500. I can assure you that there are many points for lubricants, as you will see if you look at the same literature (which is easily downloadable).
Originally Posted by David Lyga
After several decades, lubricants dry up, spread out, etc. That's why they are dry, and wearing at an accelerated rate. Also, according to the Pentax service literature, the gears associated with the shutter are supposed to run with dry teeth and only the barest spot of lube on the pivot points.