Static Electricity
It is possible that the action of the tennis balls rubbing against the throwing
wheels will cause a small static electric shock when you touch the control
panel. To eliminate this connect a wire from the control panel to the court
surface. Some machines have been tted with a small chain on the underside
of the base to ‘ground’ the machine and eliminate this issue.
Transporting and Storage
Remove all balls and close the ball hopper aps before transporting your
tennis ball machine. Store the machine in a clean, dry location. Never store
the machine in a vehicle where temperatures can be very high. Extreme
temperatures and conditions can affect the machine’s electronic board and
battery. Never store the machine outside. Exposure to rain and snow will
shorten the life of the machine.
Maintenance and Cleaning
Use a vacuum cleaner to clean dirt and debris from the inside of the
machine and in and around the black hopper tray. The build up of debris in
the hopper can cause excess wear on the feeder motor which powers the
spinning of the hopper tray. Shake off excess sand and dirt from the tennis
balls before putting them into the hopper.
To clean the exterior case, use a damp cloth. Do not use chemicals or
abrasive cleansers.
The use of compressed air for cleaning is not recommended.
Annual Maintenance
We recommend cleaning the ball throwing wheels every year or after
150 hours of use especially when the machine is not throwing the balls
consistently. Clean the ball throwing wheels only when the machine is
powered off. Firmly rub coarse sandpaper across the throwing wheels
through the ball ejection opening to remove the dirt and ink build-up. Sand
the entire circumference of each wheel and use enough pressure to rough-
up the rubber surface of the wheels.
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