BLASTING
Operating Instructions
Draining the moisture separator
(IF EQUIPPED)
During blasting, the moisture Separator must be periodi-
cally drained. The best way to accomplish this is to leave
the drain valve slightly open all the time so it constantly
leaks air and forces moisture out.
Warning: The Abrasive Blaster must be
supplied with clean, cool, dry compressed air
in order to function properly.
Shutting down the Abrasive Blaster
When blasting is complete, the Abrasive Blaster will need
to be shut down. On pressure release systems, releasing
the remote control handle will automatically depressurize
the abrasive blaster. On pressure hold systems, make sure
the Remote Control Handles are released, then close the
Inlet Valve. Slowly open the Blow-down Valve to allow the
compressed air stored in the Abrasive Blaster to escape.
Disconnecting air supply hose
After the Abrasive Blaster has been depressurized, and
the Inlet Valve has been closed, the Compressed Air
Supply Hose may still contain pressure which must be
released before disconnecting the hose. To do this shut
off the compressed air at its source, and open the Drain
Valve and Blow-Down Valve on the Abrasive Blaster.
Slowly open the inlet valve on the Abrasive Blaster. The
compressed air stored in the Compressed Air Supply Hose
Can now escape through the Drain Valve. When you no
longer hear air escaping through the drain valve, squeeze
the Compressed air in the Compressed Air Supply Hose it is
ready to be disconnected.
Danger: Never disconnect any compressed
air supply hose without rst performing the
“DISCONNECTING AIR SUPPLY HOSE” proce-
dure described above. Failure to do so can
cause the hose to blow off violently injuring or
killing nearby people.
MBM-Series Owner’s Manual
13
Copyright© 2015 Mod-U-Blast®, All Rights Reserved
Warning: Never operate a Pressure Hold
MBM series blaster without a mufer on the
blow down valve. Without the mufer, the
sudden release of compressed air can cause
severe injury.
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