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Maintenance and
Lubrication
Service
Preventive maintenance performed by
WARNING
!
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.
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: receive
1.
Unplug the saw.
The brush cap is spring loaded by the
CAUTION
!
brush assembly.
2.
Remove the brush cap on the motor using a wide flat
blade screwdriver.
3.
Pull out the brush 1 (Figure 37). 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
break-in period will occur that will reduce motor performance
and increase brush wear.
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.
FIG. 37
76
1
2
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