SMARTASH 21 D-044 Rev 008
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PREVENTIVE MAINTENANCE
REMOVING MOTORS
1. Place air supply on flat surface with the motor side facing up. Remove
motor cover.
2. Unscrew nuts holding switch in place and drop switch back through
mounting hole into air supply interior.
3. Remove screws holding motor mounting plate in place on air supply.
Remove motor assembly, which consists of the motor plate, two motors,
switch and wiring.
4. Remove long screw from motor plate that supports motor cover. To do so,
hold nut on screw with needle-nose pliers or 3/8-inch open wrench. Loosen
screw with screwdriver and turn nut off screw with fingers. Remove screw
from motor plate and attach nut to screw.
AIR FILTERS
Check conditions frequently of air filters located on motors.
1. Remove motor cover on back of air supply by removing wing nut.
2. Pry retaining harness off pegs and lift out filter.
3. Clean air filter by using the unit’s air hose. Hold clean side of filter to the air
hose and blow dirt away. Replace if blocked or damaged.
EXTERNAL SPARK SCREEN
1. Tap center of screen to remove encrusted ash.
2. To replace spark screen, remove three screws holding screen housing to
top of lid and remove inner parts.
INTERNAL SPARK DEFLECTOR
The deflector is held in position by tabs on two of its legs that trap the inner
edge of the drum lid and a cotter pin that attaches the third leg to the drum lid.
To remove the deflector, pry points of cotter pin up straight, hold them together
with pliers and tap pin down through the deflector leg. Pull pin free with pliers.
When not in use, SmartAsh should be covered and stored indoors. Insert stir
rod through porthole in drum. Store chain in accessories tray.
Load drum at burning site rather than wheel a loaded drum to the site.
WARNING: Unit must be disconnected from power source before
performing any maintenance.
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