always good to polish up the commutator Jim, altho I use very fine emery - and make sure you slide a point down the slots afterwards to clean out any dust buildup

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics