AH9000 Mobile Delivery Unit Compression Cycle and Air Flow Theory of Operation

Atmospheric air is drawn in through the cap shield silencers to the compressor head where air is compressed and exhausted. Air travels though the check valve, which prevents air from flowing back into the head, then flows through the solenoid. The solenoid allows air to escape for approximately two seconds during start-up to relieve pressure from the head, then closes sending pressurized air to the storage tank. Air from the storage tank activates the pressure switch. As the storage tank fills the pressure switch opens at a preset pressure and stops the compressor.

The air regulator adjusts air from the storage tank to 65 PSI.

The regulated air (65 PSI) flows to the foot control and water bottles. When user activates the throttle valve by depressing the foot control, air is sent through the tri-block or quadblock and each instrument manifold. When the instrument is removed from the holder the holder valve is activated allowing air to flow through the handpiece. There are drive air adjustment valves to adjust air pressure for the instruments.

The air/water syringe is activated by pressing on the instrument’s air and water buttons. The user can make drive air, coolant air and water flow adjustments. Air flows through the gauge to show pressure readings. Regulated air also pressurizes the water bottles. Air to the water bottles is reduced to 40 PSI by the water pressure regulator.