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4.4
Control box
The control box is equipped with all control elements and instruments for monitoring and controlling the
machine.
1 + 2 + 3
Control lamp, push buttons “Control ON/OFF”
Pressing the push button “Control ON” switches the control on and makes the control lamp light up.
Pressing the push button “Control OFF” switches the control off.
4
Control lamp motor protection
This red lamp lights up when the complete electronics has been switched off by overload of one of the motors.
5 + 6 + 7
Control lamp,
push buttons “Blast wheel ON/OFF”
Pressing the push button “Blast wheel ON” switches the blastwheel motor on and makes the white control lamp
light up. Pressing the push button “Blast wheel OFF” cuts off the power supply immediately.
8
Ammeter
This meter indicates the power consumption of the blastmotor in ampere. The ammeter shows the blast
cleaning load onto the surface. When switching on the motor the current value peaks shortly.
The no-load current is approximately 8A. The maximum operating current is 26A / 30A.
9
Hour counter
Shows the number of actual working hours performed by the blastwheel. Useful for maintaining a proper
maintenance schedule.
10
Emergency shutdown button
Red mushroom-shaped emergency shutdown push button, this button cuts off all power to the machine.
Turn to unlock. After use of the emergency button, all functions have to be re-started manually.
11
Main power switch
The main power switch is located on the control box. It has to be switched OFF when connecting the machine
to the power supply. It has to be switched ON before operating the machine. The main power switch can be
locked in the “OFF” position by using a padlock and placing it through the main switch.
12
Abrasive control lever
This lever is located on the right hand side of the control box. It regulates the magnetic valve to control the
flow of abrasive towards the blast wheel. The valve is hand-operated, pull the lever towards you to open. Push
the lever towards the machine to close.
1 Control lamp “Control”
2 Push button “Control ON”
3 Push button “Control OFF”
4 Control lamp Motor protection
5 Control lamp “Blast wheel”
6 Push button “Blast wheel ON”
7 Push button “Blast wheel OFF”
8 Ammeter blast wheel
9 Hour counter
10 Emergency shutdown button
11 Main power switch
12 Abrasive control lever
Close
Open
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