Daewoo Novus M2SEF - Air Dryer; Function of Air Dryer; Features of Air Dryer

3-98 INSPECTION AND MAINTENANCE
18) Air dryer
(1) Function of air dryer
Since moisture contained in the atmosphere is
compressed and warmed by the air compressor,
the amount of moisture is in proportion to that of
compressed air. This hot and humid air is cooled
down in fluid tanks or pipings to form condensa-
tion. This conden-sation washes away lubricants
from the moving parts of various devices or
equipment, resulting in unsatisfactory actions of
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these devices or equipment. In addition, impuri-
ties contained in the condensation accelerates
rusting action to shorten the lives of related de-
• DR-5(Full air type)
4
5
6
vices or equipment. In cold weather, this conden-
sation can be frozen and immobilize various
devices and equipment.Therefore, it is essential
to remove moisture from compressed air in or-
der to extend the service lives of devices, to
enhance reliability, and to prevent possible dam-
age or breaks.
(2) Features of air dryer
1. Excellent performance in dehumidification
2. Designed to remove particles, oil or dust, too.
3. Of simple structure and so easy to conduct
servicing or maintenance
(3) Specifications
1
7
8
2
Item
Max. air pressure
Normal air pressure
Vehicle air pressure
Temperature range
DR-5
9.8kg/cm
2
5~9.8kg/cm
2
8.9kg/cm
2
-30C+70C
3
9
Operation fluid
Remaking time
Heater capacity
Air
50 sec
24V 100W
1. Inlet port(inflow from air compressor)
2. Outlet port(to main tank via the purge
tank)
3. Exhaust port(discharging a large
amount of water and foreign sub-
stances)
4. Check valve
5. Desiccant
6. Desiccant case
7. Oil filter
8. Control plunger
9. Exhaust valve
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Thermostat temp.
Weight
4 4C
About 8.6 kg
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