BM 2609140642
RUNNING NUTS AND BOLTS
Variable speed control must be used with caution for driving nuts and bolts with socket set attach ments. The technique is to start slowly, increasing speed as the nut or bolt runs
down. Set the nut or bolt snugly by slowing the tool to a stop. If this procedure is not followed, the tool will have a tendency to torque or twist in your hands when the nut or bolt seats.
Maintenance
Service
!WARNING NO USER SERVICEABLE PARTS INSIDE. Preventive
maintenance performed by un au thorized personnel may result in misplacing of internal wires and components which could cause serious hazard. We recom- mend that all tool service be performed by a Bosch Factory Service Center or Authorized Bosch Service Station. SERVICE MEN: Disconnect tool and/or charger from power source before servicing.
BATTERIES
Be alert for battery packs that are nearing their end of life. If you notice decreased tool performance or significantly shorter running time between charges then it is time to replace the battery pack. Failure to do so can cause the tool to operate improperly or damage the charger.
TOOL LUBRICATION
Your Bosch tool has been properly lubricated and is ready for use.
CARBON BRUSHES
The brushes and commutator in your tool have been engineered for many hours of dependable service.
If your tool runs spo rad cally,i loses power, makes unusual noises or runs at a reduced speed, check the brushes. To continue using the tool in this condition will permanently damage your tool.
Check both brushes. Usually the brushes will not wear out simul aneouslyt. If one brush is worn out, replace both brushes.
To check brushes: Disconnect battery pack from tool. Rotate brush cap at the rear part of housing
FIG. 10
BRUSH
BRUSH
CAP
Lift out the brushes; note which way they face, so that the brushes can be returned to their original position. New brushes can also be inserted turned 180º. Clean the brush holder openings with com pressed air or a clean cloth and replace the brushes and brush covers.
After replacing brushes the tool should be run at
Only genuine Bosch replacement brushes specially designed for your tool should be used.
D.C. MOTORS
The motor in your tool has been engineered for many hours of dependable service. To maintain peak efficiency of the motor, we recommend it be examined every six months. Only a genuine Bosch replacement motor specially designed for your tool should be used.