Brush Replacement - prime mover smx45 Master Service Manual

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4.1.4. Brush Replacement

Do not replace just one or two brushes. When brush service
is required on the motor, lift brush spring over holding bracket
before removing brush (see the following drawing.)
When using compressed air, wear effective
WARNING
chip-guarding
equipment.
cleaning MUST be reduced to less than 30
psi (207 kPa).
Do not substitute brushes. The brushes are
CAUTION
matched to the motor type and application
to provide the best service. Substituting
brushes of the wrong grade can cause
commutator damage or excessive brush
wear.
NOTE! Blow stone dust out with dry compressed
air.
After the installation of new brushes, the motor should be
operated at 12 Volts, no load and brushes seated to the
commutator with a dressing stone. Remove stone dust.
Master Service Manual 2006-08-04
F-code
PT
Version no
001
Put Spring In This
Position For Brush Removal
Figure 1-3: Motor Brush Removal
and personal
Compressed
Section C-code
S1.0 1700
Electric Motors
T-code
SMX
protective
air used for
91