Maintenance and | FIG. 36 |
Lubrication |
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Service
!WARNING NO USER SERVICEABLE PARTS INSIDE. Preventive maintenance
performed by unauthorized personnel may result in misplacing of internal wires and components which could cause serious hazard. We recommend that all tool service be performed by a Bosch Factory Service Center or Authorized Bosch Service Station. SERVICEMEN: Disconnect tool and/or charger from power source before servicing.
Batteries
Be alert for battery packs that are nearing their end of life. Battery packs typically last from 500 to 1000 charges.
If you notice decreased tool performance or significantly | 2 | 1 |
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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.
Long term battery storage should be in the discharged state. Battery packs last longer and
Carbon Brushes
The brushes and commutator in your tool have been engineered for many hours of dependable service. To maintain peak efficiency of the motor, we recommend every two to six months the brushes be examined. Only genuine Bosch replacement brushes specially designed for your tool should be used.
Motor Brush Replacement
To Inspect or Replace Brushes:
1.Disconnect battery pack from tool.
! CAUTION | The brush cap is spring loaded by the | |
brush assembly. | ||
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2.Remove the brush cap on the motor using a wide flat blade screwdriver.
3.Pull out the brush 1 (Figure 36). Repeat for the opposite side.
NOTE: If installing the existing brush or brushes, make sure the brush goes in the same way it came out. Otherwise a
4.Install new brush. The two (2) tabs on the brush terminal 2 go in the same hole the carbon part fits into.
5.Tighten the brush cap but do not overtighten.
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