Oneida Air Systems Dust Cobra Replacing Manual

Motor Brush Replacement
Rev: 12/18/2019
The Dust Cobra has a brushed motor. The brushes have a lifespan of approximately 500-750 hours. If you have
exceeded that lifespan or the motor stops operating, then it's time to replace the carbon brushes. To access the
brushes:
UNPLUG YOUR UNIT BEFORE SERVICING OR CLEANING. KEEP THE TOP VENTS IN THE

COWLING CLEAN. THESE ARE FOR BOTH EXHAUST AND INCOMING COOLING AIR FOR THE
MOTOR.
Unlatch and remove the motor assembly from
1
the cone assembly [FIG. 1].
Remove the six screws on the bottom of the
2
motor assembly as shown in [FIG. 2].
Remove the cowling and the spacer to access
3
the motor [FIG. 3].
1 Oneida Air Systems
FIG. 1
FIG. 2
Cowling
Motor
FIG. 3
Doc. # ZBI000032
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