While you wait for answers, we may have found some information which could help you.
Click here for Bosch Drill Chuck
how to bypass switch Bosch 1021 VSR?
How can I open my Bosch 18V 2.6Ah Ni-MH Battery? ?
Bosch PSB 24 VE-2 Cordless Hammer Drill, help needed?
why is my Bosch GSB VE2LI drill getting slower (its not the battery)?
How can I fix a BOSCH AL2450 DV charger?
what wattage is the r3 resistor in thebosch al 2450dv charger?