Section 2
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. 17
Description
2.1 Introduction
Sullair Portable Air Compressor models offer superior
performance and reliability while requiring only minimal
maintenance.
The compressor is equipped with a Sullair rotary screw
co
mpressor unit. Compared to other compressors, the
Sullair is unique in mechanical reliability and compressor
durability. No inspection is required of the working parts
within the compressor unit.
As you continue reading this manual and come to learn
how the compressor operates
and is cared for, you will
see how surprisingly easy it is to keep a Sullair compres-
sor in top operating condition.
Read Section 5: Maintenance to keep your compressor
in top operating condition. Should any problem or ques-
tion arise which cannot be answered in this text, contact
yo
ur n
earest Sullair representative or the Sullair Service
Department.
2.2 Description of components
Refer to Figure 2-1 and Figure 2-2. The components and
assemblies of the Sullair Portable
Air Compressor mod-
els are clearly shown. The package includes a compres-
sor, diesel engine, compressor inlet system, compressor
cooling and lub
rication system, compressor discharge
system, capacity control system, instrument panel and
electrical system. The machine is also supplied with
sound deadening insulation to lower noise emissions to
meet EPA or CE, and/or any Federal, State, or local noise
requirement. The Sullair compressor unit is driven by an
industrial engine designed to provide enough horse-
power at rated conditions. Refer to Engine Operator’s
Ma
nual fo
r a more detailed description of the engine.
The engine cooling system is comprised of a radiator,
high ca
pacity fan and thermostats. The high capacity fan
draws air through the radiator, keeping the engine at the
proper operating temperature.
The same fan also cools the fluid in the compressor cool-
ing and lubrication system. While passing through the
radiato
r, the fan air also passes through the compressor
fluid cooler (which is mounted adjacent to the radiator).
As air passes through the cooler, the heat of compres-
sion is removed from the fluid.
The same fan also cools the engines intake air supply by
passing air
through an air to air aftercooler. As air passes
through the aftercooler heat is removed which was intro-
duced by the engine’s turbo charger. The engine is cou-
pled to the compressor unit with a non-lubricated,
vulcan
ized r
ubber disk and a drive flange-type coupling.
All compressor models are supplied with a fuel tank large
enough to keep the compressor running through a full 8-
hour shift.
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