Air Brake Manual
Air Brake Manual
Air Brake Manual
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Control<br />
port<br />
Supply<br />
port<br />
<strong>Air</strong> Dryer (Purge cycle)<br />
Cut-off piston<br />
<strong>Air</strong> Dryer<br />
An air dryer (3) may be installed between the<br />
compressor and the wet reservoir to help remove<br />
moisture from the compressed air. It may be partially<br />
filled with a high moisture-absorbent desiccant and<br />
an oil filter, or it may be hollow with baffles designed<br />
to assist in separating the moisture from the air.<br />
Both types of air dryers use air pressure to purge or<br />
eject the accumulated contaminants from their<br />
desiccant bed. The purge valve has a heater<br />
element, which prevents the moisture from freezing<br />
in cold climate operation. The wiring connected to<br />
the heater should be inspected for loose or<br />
disconnected wires. They are also equipped with a<br />
safety valve.<br />
Exhaust<br />
Purge<br />
valve<br />
One-way<br />
check valve<br />
Delivery<br />
port<br />
<strong>Air</strong> Dryer (Drying cycle)<br />
One-way check valve<br />
Orifice<br />
Oil Separator<br />
Desiccant bed<br />
Desiccant<br />
Cartridge<br />
Control Port<br />
Dried <strong>Air</strong><br />
Supply Port<br />
<strong>Air</strong> Dryer<br />
Control Port<br />
Cut-off<br />
piston<br />
Check valve<br />
assembly<br />
Reservoir<br />
Supply Port<br />
Compressor<br />
Governor<br />
Purge valve<br />
Exhaust<br />
Heater<br />
element<br />
Sump<br />
Delivery Port<br />
15
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