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Doosan D1146T - Page 41

Doosan D1146T
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5.3.3. Intercooler (for P086TI)
The intercooler is air to air type and has a large cooling fan capacity. The intercooler life and
performance depends on the intake air condition greatly. Fouled air pollutes and clogs the air
fins of intercooler. As a result of this, the engine output is decreased and engine malfunction is
occurred. So you always check whether the intake air systems like air filter element are worn
or polluted.
Cleaning
In order to maintain the heat transfer efficiency of the intercooler, it is necessary to clean it at
regular intervals.
Cleaning of intercooler fins : Every 600 hours.
- 37 -
EA5O4003
Air/air intercooler
with downstream
radiator
(Combined radiator)
Cooling air
Hot charge air
from compressor
Recooled charge air
to intake pipe (max. 50 C)

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