shay steam engine

[sack]

i am having a problem w/my shay 7yrs old. had to change rear truck. shay stops on its own then starts up with a change in direction or alittle help.  any suggestion

[the Bach-man]

Dear Sack,
Make sure you didn't short out the contacts at the top of the new truck. Then put a little conductive lube on the pickups.
Have fun!
the Bach-man

[sack]

thanks,sack