Porter Cable 14.4V Hamm Drill Kit "worked smells electrical" Questions

...smells like there is an electrical problem, but seems to work fine. Also sparks inside motor housing. I have heard that this is normal due to the electric brake in the drill, however, I am unsure if ...

The motor is smelling hot and I see sparks when I release the trigger. Any maintenance needed? It gets hot because this is very hard work for a 14.4 volt drill. For that matter, it is hard work for ...

I bought a new dewalt hammer drill and i love it but when you use the number 1 speed it just clicks and smells hot once and a while it will work and when it works it works good its just getting it to ...

...together when I power the drill I hear a grinding noise and a smell like the motor is getting over worked. I've taken the drill apart and put it back together a few times and I can't figure out what ...