While you wait for answers, we may have found some information which could help you.
Click here for Replace Chuck DrillHow can I change a saw blade?
Where can I get JDB 180R replacement battery?
MacAllister cod 144v l10 drill?
Bosch PSB 24 VE-2 drill with AL 60 DV 2411 charger?
Drill manual?
Hitachi Battery Charger 14.4 Volt UC 14 SD?