Section 2: Getting Started
MicroBlaster MB1005
Comco Inc.
2-6
Issue Date: September 2003
Basic Components of the MicroBlaster MB1005
Power Switch
The Power Switch is located on the right-hand side of the unit. It is the primary ON/OFF
switch for the unit.
The Power Indicator will illuminate when the power is “ON”.
Handpiece
The handpiece, which holds the blasting nozzle, should be inserted into the holes in the
side of the workstation provided for this purpose.
Air Pressure Regulator
The Air Pressure Re
gulator knob on the front of the unit controls the MicroBlaster’s
operating air pressure as indicated on the pressure gage located directly to the left of it.
To adjust the pressure, rotate it clockwise to increase the pressure or counterclockwise
to decrease the pressure.
NOTE:
The pressure will not decrease until the foot switch is
depressed.
Pressure Gage
The Pressure Gage on the front of the unit indicates the air pressure in the abrasive
tank. Typically, operating pressure selected for the process will be between 40 psig and
185 psig.
Powder Flow Control
The Powder Flow Control knob controls the amount of clean, abrasive-free air that is
mixed with the abrasive in the mixing chamber. Turning the knob clockwise increases
the concentration of media in the air stream.
Footswitch
The Footswitch (usually placed on the floor) activates the abrasive hose pinch and the
modulator, allowing abrasive to flow from the tank to the blasting nozzle.
“Quick- Fill” or
Flapper Valve
The Flapper Valve is located on the top of the tank cover. It is used to fill the tank with
abrasive powder.
NOTE:
Only refill the abrasive tank after MicroBlaster Power has
been turned “OFF” and unit has vented.
Pinch
The Pinch assemblies are located on the rear panel of the MicroBlaster. The pinch
squeezes the blue poly hose in order to stop the flow of air and abrasive.
Summary of Contents for MB1005-1
Page 10: ......
