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14
MAINTENANCE
"V" Notch
Preventative 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 Sears
Parts and Repair Centers.
To avoid injury from
unexpected starting or
electrical shock, always remove plug
from wall outlet before performing
service or cleaning.
Carbon Brushes
The brushes in your tool have been
engineered for many hours of dependable
service.
To prepare the brushes for use, run the tool
at full speed for 5 minutes under no load.
This will properly “seat” the brushes, and
extend the life of the tool.
To maintain peak efficiency of the motor,
examine the brushes for wear every 50-60
hours.
Using the tool with worn
brushes will permanently
damage the motor.
Use only original Craftsman replacement
brushes.
Inspect the rotary tool brushes after 40-50
hours of use. If the rotary tool runs
erratically, loses power, or makes unusual
noises check the brushes for wear and
possible replacement. Remember: brushes
in the rotary tool are similar to oil in a car;
the more you check/service, the better the
performance.
Follow these steps to check/change the
rotary tool brushes.
1. With the power cord unplugged, place
the tool on a clean surface. Use the tool
wrench to pry up and release the clip on
the brush cover (Figure A).
2. Remove the brushes from the tool by
pulling the shunt and brass clip which
are attached to the brush (Figure B).
NOTE: Be sure to note how the brass clip
slides out of the slot next to the brush
pocket. Also, note how the detent on brass
clip fits into brush pocket slot, which secures
the brass clip into proper position.
3. Check each brush for wear. If brush is
less than 3/8" long, or if contact end is
rough or pitted, replace the brush.
WARNING
!
WARNING
!
2
4
Removing Brush Cover
Removing/Inspecting Brushes
Installing Brushes
CAUTION
!
A
B
C