Clutch plate service

Getting the steel plates flat is the key to the clutch working. Now I have to do this more often than you so I made a purpose built tool. Lapping is done in a figure "8" motion and that is reversed in direction each stroke it takes dome muscle memory and practice of witch you will get a lot. It's all done by hand because power corrupts getting them truly flat. I made this to use on a drill press but by hand is best:

Lapping in the metal platesHolding toolA dead flat plateHolding tool with plate in place

 

 

 

 

 

In the last picture two pieces of 220 grit carborundum paper can be seen rubber cemented down to a one inch thick Blanchard ground plate. Brand new plates are not flat most old ones are fine and just as good, just not flat.