Impacts STREAMER S320RD, Operating Manual

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Operating Manual S320RD
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4. Keep eyes on the engine speed (12), the engine
speed should not come under 3150 min-1. Adjust the
engine speed by rotating the nut of the accelerator
cable or close the abrasive valve pushing the valve
lever slowly forward.
When blasting concrete, the abrasive feed valve
only may be opened when the blast-machine is in
forward motion! If the machine is at a standstill and
the valve is opened deep grooves will be blasted
into the concrete surface within seconds.
5. After having blasted approximately 4-5 ft (1-2
meters), close the abrasive valve, stop the machine,
and check the blasted surface.
6. If the blast pattern is irregular, it may be necessary to re-adjust the blast pattern (see Chapter
7 “Setting the blast pattern”) or select different speed for the machine.
When the blast head is lifted from the floor, abrasive will spurt out of the sides of the
blast head at high speed. If the machine is moved, the blast head raised, the abrasive
feed valve must be fully closed.
Alter the travel direction only while the feed valve closed.
7. To adjust the airflow, use the lever (1) which controls the throttle valve on top of the air
exhaust duct. Untighten the wing nut and move the lever in direction (A) to open or (Z) to
close the throttle valve. Tighten the wing nut.
8. During a period of a few minutes, watch how much dust comes up to analyze the filling
behavior and to avoid any overloading of the dust bin.
Regularly dump the dustbin of the filter unit.
Do not overfill the bin to avoid dust exposure when opening the bin.
Comply with the local waste treatment regulations considering the removed material.