While you wait for answers, we may have found some information which could help you.
Click here for Replace Chuck Removewhat wattage is the r3 resistor in thebosch al 2450dv charger?
repair bosch electric drill?
how can i fix my bosch cordless drill psb 18 li2?
How can I fix a BOSCH AL2450 DV charger?
how to bypass switch Bosch 1021 VSR?
shut off valve location?