Great Planes Power Plane - GPMR4030 - Manual (Page 6)

IMPORTANT: The cutter drum shaft must be kept properly
lubricated. Grease the shaft after every 40 minutes of
running.
The motor and electronics are not user serviceable.
Opening the unit for any reason may result in operational
problems if not properly reassembled. If you do open the
housing around the motor, do not under any
circumstances plug in the power cord, as this would be a
dangerous shock and fire hazard.
The internal fan creates a positive pressure inside the
housing to aid in motor cooling and to prevent excessive
sawdust from entering the unit. After approximately 2
hours of use, it is advised to blow compressed air into the
unit (through the louvers) to dislodge sawdust from the
electric motor. You may want to remove the cutter drum
and blow out the cutter slot as well.
Wipe the outside of the unit clean with a soft, dry cloth. Do
not use water or any solvents or cleaning sprays.
It will be necessary to access the cutter periodically, to
replace it, or clean out the cutter slot. Use the following
sequence:
HOW TO CHANGE OR REMOVE THE CUTTER
6