Maintenance And Lubrication - Bosch CM12 Instrucciones De Funcionamiento Y Seguridad

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Cutting Round or Irregularly
Shaped Material
for round material such as
WARNING
dowel rods or tubing, always
use a clamp or a fixture designed to clamp the
workpiece firmly against the fence and table.
Rods have a tendency to roll while being cut, caus-
ing the blade to "bite" and pull the work with your
hand into the blade (Figure 47).
Service
We recommend that all tool
WARNING
service be performed by a
Bosch factory Service Center or Authorized
Bosch Service Station. preventive maintenance
performed by unauthorized personnel may re-
sult in misplacing of internal wires and compo-
nents which could cause serious hazard.
Motor 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 recom-
mend every two to six months the brushes be ex-
amined. Only genuine Bosch replacement brushes
specially designed for your tool should be used.
Motor Brush Replacement
To Inspect or Replace Brushes:
1. Unplug the saw.
The brush cap is spring loaded
WARNING
by the brush assembly.
2. Remove the brush cap on the motor using a wide
flat blade screwdriver.
Saw Operations

Maintenance and lubrication

-33-
FIG. 47
fence
3. Pull out the brush (Figure 48). Repeat for the op-
posite 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. Inspect brushes for wear. On the wide flat side of
brush is a wear limit line. If the brush contact
face is at or beyond (no line visible) the limit
replace brushes as a set.
5. Install new brush. The two (2) tabs on the brush
terminal go in the same hole the carbon part fits
into.
6. Tighten the brush cap but do not overtighten.
Cleaning
To avoid accidents, always dis-
WARNING
connect the tool from the power
supply before cleaning or performing any main-
tenance. The tool may be cleaned most effec-
tively with compressed air. Always wear safety
goggles when cleaning tools with compressed
air.
Material
clamp
Round
Material