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HERO Operator’s Manual – Page 9 of 23
3.4 SURFACE PREPARATION
Ensure that the surface you are spraying is clean, dry, and free from dust, oil, grease or any other
contaminant. A dirty or greasy surface will affect adhesion, can spoil a finish and is very difficult to
correct once sprayed. If possible, always clean the surface with a tack rag to remove any dust or lint. Do
not wipe the surface with your hand – body oil may stay on the part and ruin the surface preparation.
3.5 OPERATING THE TURBINE
All HERO turbines are very simple to operate.
Single Speed Turbines are equipped with a standard two-way power switch: On/Off.
Variable Speed Turbines are equipped with a three-way power switch: On/Off/On. When the switch is
in the “up” position, the turbine will operate at maximum air volume. When the switch is in the “middle”
position, the turbine is off. When the switch is in the “down” position, the air volume output of the
turbine can be adjusted based on the coating being sprayed and the finish required. For further
information on the Variable Speed Controller, please refer to Section 2.3 of this manual.
All HERO turbines are equipped with a re-settable circuit breaker. If the turbine is not functioning
properly, check your power supply and/or re-set the breaker switch on the face of the unit by pressing it
once.
NOTE: Due to the high speed of the turbine (18,000 to 24,000 RPM) and the frictional forces this
causes, it is normal for the turbine, hose and gun to heat up slightly during operation. Generally, the
system will heat up and then remain at a constant temperature during use.
3.6 SPRAY GUN TERMINOLOGY