ELGi TRC 1000 MN UG, Руководство пользователя, Страница: 9 / 81

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Introduction
The Elgi air compressor model TRC 1000 MN UG is driven by an electric motor
by means of resillient flange coupling. It consists of three cylinders arranged
in a ‘W’ form on a crankcase. Dry type air filters are fitted to the suction side of
the LP cylinder heads. The discharge ports of the LP cylinder heads are
connected to the intercooler for effective cooling . Intercooler is connected to
the suction
port of HP cylinder head. The discharge port of the HP cylinder head is fitted
with a motor and mounted on a rigid, compact base. The air filters and other
pipe fittings are all clamped properly to arrest vibration. A fan with a fan guard
is provided to direct cool air on to the compressor unit. The fan draws the air
over the motor thereby cooling the motor also. An eye bolt used for lifting the
motor is provided at the terminal side of the motor. (Fix the eye bolt on top of
motor and lift the motor).
Crankcase
The crankcase is made of high grade cast iron an houses the crankshaft
assembly and cylinders. It act as the sump for lubricating oil and is provided
with a breather, drain plug and a dipstick assembly. The breather maintains a
partial vacuum in the crankcase to facilitate better lubrication.
Cylinder and cylinder head
The cylinders and cylinder heads are made of high grade cast iron and they
have close deep fins for effective cooling. The hardness of the cylinders is
closely controlled to ensure high wear resistance.
Connecting rod crankshaft assembly
The connecting rod and crankshaft assembly is precision machined and
dynamically balanced. The combined crankshaft with web is forged out of
carbon steel, hardened and precision ground. The crankshaft is provided with
single row heavy duty ball bearing at both ends. The main connecting rod big
end is provided with steel bearing rollers and small ends are provided with
needle roller bearings.
General Description