Join Date: Apr 2002
Location: Dandridge (Near Knoxville), TN, USA
I used a piece of HARD wood, larger than the seal, with a hole in the center to clear the shaft. Tapped it around in circles with a mallet, careful not to let the seal tilt until it is seated. Use something hard though, like Oak. Soft wood will indent easily, and may distort the seal.
If I was going to do it again though I thought of a better tool. Get a steel pipe "Bell" reducer, with the large end about the size of the seal, with a 3/4 or 1" pipe nipple (not sure what size pipe will fit over the shaft extension if the reducer is not long enough) long enough to reach back and give you good alignment, then hit that with the mallet. That would likely keep the seal from tilting easily, as you can hold the pipe in line pretty easily.
I don't want to achieve immortality through my work...I want to achieve it through not dying.
EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
No bike now, but maybe in the future.