Operating Manual
STI-2807 | STI-2818LP
9
3.3
Operating Features - STI-2807
The Variable Speed Drive is carrying all controls and instruments used for supervision and control
of the machine.
Key Button Controls Start/ Stop
Pushing the Key Button "Start" will switch the controls on and start the motor. Pushing the Key
Button “Stop” will stop the motor running.
Arrow up and Arrow Down
While powered but without the motor running, the red Arrow Up and red Arrow Down buttons can
be used to set the motor speed faster or slower than the base RPM of the motor.
Rotation
While powered but without the motor running, the “Rotation” button is used to change the rotation
of the motor. Press the “Rotation” button and press “Enter” within 2 seconds to change the motor
rotation. To change back to previous rotation repeat the process
Auto/Man and Prog/Run
These buttons are used for drive diagnostics and programming and are not used.
Dead Man Key
Dead Man Key is intended to be used for the safety of the operator and protection of the machine
from excess damage in the event of an emergency. Lanyard must be worn by operator for this
safety device to work properly. Pull key out to stop the machine motor.
Manual On/Off Switch
The On/Off switch is used to turn off all power supplied to the grinder.
3.4
Operating Features - STI-2818LP
Key Controls Start/ Stop
Turning the key to "Start" will start the motor. Pushing the Rocker Switch will engage the clutch and
start tools turning.
Rocker Switch
Use the rocker switch to engage or disengage the clutch.
Kill Switch
Kill Switch is intended to be used for the safety of the operator and protection of the machine from
excess damage in the event of an emergency. Push the Kill Switch to shut down the motor.
