10 more tool manuals added

10 more tool manuals were added to the site over the past couple of days:

Central Machinery:
   - 1 drill press manual

Chicago Electric:
   - 1 charger/starter manual

Hitachi:
   - 1 drill press manual, 1 drill press parts list
   - 1 grinder manual, 1 grinder parts list
   - 2 saw manual, 2 saw parts lists