Operating Instructions 1-8DEC 230V
Description and Function
3.10 Filter Chamber
The central part of the BDC-1216 Vacuum is the filter chamber. Dust laden air enters
the chamber from the blast machine through the exhaust hose and into the vent hose
connection located at the top of the separator lid. The dirty air passes through a
vertically mounted filter cartridge. Dust is captured on the surface of these filters
allowing clean air to pass to the clean air portion of the dust collector where it exhausts
to the open atmosphere.
3.11 Control
The operator control (on/off) for the BDC-1216 Vacuum is located on top of the motor
cover.
3.12 Ventilation System
A controlled flow of air must pass through the blast unit and the dust collector during
normal operation for the reasons listed below:
Cools blast machine components.
Helps remove residual abrasive and dust from work surface.
Collects and separates dust and contaminants from recycled abrasive.
Transports dust and contaminants to dust collector.
Ventilation air must follow a designed path through the machine(s). Any irregularities in
the path can affect the performance of the system. The air sequence follows:
1. Air enters the area around the magnetic seals of the blast unit at a high velocity and
helps sweep residual abrasive and dust from the work surface.
2. This air traverses up the rebound plenum and into the separator. The air movement
up the rebound plenum helps keep the abrasive and the chamber walls cool.
3. Air enters the abrasive hopper and selectively conveys unwanted fine particles
upward toward the exhaust port on the hopper. (See figure number 4.) The hopper
must be properly seated and secure.
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