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14-16. Push buttons "Main blast ON/OFF"
Before pressing this button make sure that the shot valve is closed. Pressing the push button "Main blast ON"
switches the blast wheel motor on. Pressing the push button "Main blast OFF" cuts of the motor power supply
immediately. Pay attention that the blast wheel will continue rotating for some time after pressing the OFF
button!
2-3.
Drive wheel joysticks left/right
Operating these joysticks together makes the machine run forward or backward. Releasing one of the joysticks
makes the machine turn to the left or the right.
1.
Drive speed control
Although this indication does not allow direct reading of the actual speed, it shows comparing numbers
allowing the operator to set the appropriate speed.
9.
Ammeter
The ammeter shows the load consumption of the blast wheel motor. When switching on the motor the current
value is high (starting current peak) and falls, after having reached the idle speed. With full load it may rise to
a maximum of 20 A.
17.
Hour counter
The hour counter on the main box shows the sum of the actual working hours performed by the blast wheel.
4.2
Separator
The abrasive separator is mounted to the end of the rebound plenum. It separates the abrasive from
contaminants and feeds the cleaned abrasive back to the abrasive storage hopper. A wire mesh is fitted to
prevent any large contaminants from getting into the blast wheel. In order to clean the wire mesh, the drawer
can be removed from the side. The separator door can be opened to remove the large contaminants. Check
and empty the wire mesh before and after each operation.
During operation you should check the wire mesh every 3 hours for foreign matter and large contaminants.
4.3
Hopper
The abrasive storage hopper contains the abrasive before it is led to the feed spout and abrasive valve. Fill the
separator equally with the selected abrasive up to the bottom of the separator tray. The abrasive valve must
be closed whilst doing this. Check regularly and refill if necessary.
1
Separator
2
Shot valve handle
3
Separator door
4
Separator tray
5
Baffle plates
6
Abrasive storage hopper
7
Shot valve
12
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