SECTION 2 600H, 750, 750H, 750HH, 825, 900 & 900H USER MANUAL
27
2.8 AIR INLET SYSTEM,
FUNCTIONAL DESCRIPTION
Refer to Figure 2-5. The compressor inlet system
consists 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 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 filter element. Refer to Air
Filter Maintenance on page 59. These indicators
should be checked daily, after start-up under normal
conditions.
The compressor air inlet valve controls the amount of
air intake of the compressor in response to the air
demand.
1. Engine Air FIlter
2. Compressor Air Filter
3. Air Inlet Valve
4. Compressor
5. Engine Inter-Cooler
6. Air Inlet System
Figure 2-5: Air Inlet System
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