While you wait for answers, we may have found some information which could help you.
Click here for Drill Repair Power Tools
MacAllister cod 144v l10 drill?
Makita 6408 drill chuck?
How can I mend/replace my MAC Allister drill?
How can I change a saw blade?
JCB cordless drill battery jcbd-24csds?
Where can I get JDB 180R replacement battery?