D-H 22 S - 16.02.2002 / Vers.: 1
9
3 Operation
3.1 Connecting the blasting unit to the compressed air supply
(See fig.2 page 6)
1. Connect the fabric hose delivered with the unit to the compressed air
connection (16).
2. Connect insert sleeve for rapid-action coupling to compressed air supply (max.
10 bar).
Caution
The compressed air used must be free of humidity and oil.
In order to maintain trouble-free working conditions, you should connect a
water separator directly in series or at a max. distance of 1m to the unit.
3.2 Blasting agents
(See fig.1 page 5)
At works the unit is design for the following blasting agents:
Type of blasting agent
Blasting agent class
Polish blasting medium (Al-oxide)
cl. 60 B
(120 µm)
EW 60
(250 µm)
EW 80
(180 µm)
Special fused alumina
cl. 150 A
(150 µm)
Caution
The unit is designed for the use of HRIETH blasting agents. We do
not grant guarantee for malfunctioning or damages which result from the use of
other kinds of blasting agents.
1. Open front flap (2).
Note
Loosen knurled nut for insert sieve (10). Pull out insert sieve (8) by ¾ so that
you can check the level of the blasting agents more easily.
2. Fill with blasting agent until it is approx. 4 cm below the insert sieve (8).
Caution
To avoid malfunctioning make sure that there are no dirt particles contained in
the blasting agent.
3. Insert sieve (8) and slightly tighten by hand with knurled nut (10).