MicroBlaster MB1005
Section 2: Getting Started
Comco Inc.
2-9
Issue Date: September 2003
Set-Up and Test
(cont’d)
7.
Place the end of the hose connected to the “Tank Vent” on the rear of the machine
into one of the grommeted openings on the back of the workstation. With the 4" dust
collector hose removed from the back of the workstation, reach into the 4" duct and
pull several inches of the blue hose into the back of the workstation.
CAUTION:
The air that comes out of the vent hose will contain abrasive.
Place the free end of the vent hose into the workstation or the
dust collector.
Always
secure the free end of the hose.
8. Pass the handpiece through the small port on the side of the workstation.
9.
Turn the “Power” Switch to “ON”. The system should start to pressurize with an
audible hissing sound (approximately 5 seconds). Listen for obvious leaks.
CAUTION:
Do not lean over the abrasive tank while the system is
pressurizing.
10.
Adjust the pressure with the “Air Pressure” regulator knob (Figure 2-3) until the
needle on the pressure gage is centered at 100 PSI. Turning the knob clockwise
raises the pressure. Turning it counterclockwise lowers pressure, although the gage
will not show a drop until the next step, when the footswitch is depressed.
11. Firmly hold the nozzle inside the workstation or hood, and step on the footswitch. Air
should immediately escape from the nozzle. It should stop when the foot is lifted. Be
sure the nozzle is pointed away from the glass window.
CAUTION:
The air that comes out of the nozzle contains abrasive. Do not
point the nozzle at anything that could be harmed or damaged
as a result of abrasive flow, especially the workstation glass
window.
12. Step on the footswitch again. As air escapes from the nozzle, the modulator will hum
audibly, indicating that it is working properly.
13.
Turn the “Power" Switch to “OFF”. The abrasive tank should immediately vent
through the vent hose and the pressure gage on the front of the unit should rapidly
drop towards zero pressure.
14. You are now ready to select the proper abrasive, nozzle and other operational
parameters to begin using your MicroBlaster. These issues, as well as detailed
operational instructions, are discussed in the next section.
Rev 9/12