600H, 750, 750H, 750HH, 825, 900, 900H, 1050 T3 CAT User Manual 2: Description
02250197-981 R01
Subject to EAR, ECCN EAR99 and related export control restrictions. 27
2.8 Air inlet system, functional
description
Refer to Figure 2-7. The compressor inlet system con-
sists of one air filter, a compressor air inlet valve and
interconnecting
piping to the engine and compressor.
Also, air filter restriction indicator gauges are located next
to the air filter housings.
The air filter is a 2-stage unit with a safety element dry
element-
type filter. This filter is capable of cleaning
extremely dirty air. However, in such cases, frequent
checks of the air filter will be required. Referring to the
instrument panel, the engine air filter restriction gauge or
the compressor air filter restriction gauge will indicate
when restriction of the air passing through the filter
becomes too high.
At this time, change the air filt
er element. Refer to Sec-
tion 5.11
.5: Air filter maintenance on pa
ge 60. These indi-
cators should be checked daily, after start-up under
normal condi
tions.
The compressor air inlet valve controls the amount of air
intake of the c
ompressor in response to the air demand.
Figure 2-7: Air inlet system
1. Engine air filter 4. Compressor
2. Compressor air filter 5. Engine inter-cooler
3. Air inlet valve
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