Exhaust Gas Recirculation (Egr) System; General - Kubota M108S Workshop Manual

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8. EXHAUST GAS RECIRCULATION (EGR) SYSTEM

In order to meet with the strict emission regulations, Kubota has adopted the EGR on the V3800-CR-TI.

nitrogen oxide (NOx) which is a hazardous component in exhaust gas is generated by oxidation of nitrogen in the air,

due to rise of the combustion temperature in engine combustion chambers. The EGR is a system in which the exhaust

gas with lean oxygen is cooled and returned to engine combustion chambers again in order to lower the combustion

temperature. As a result, NOx can be decreased.

(1) EGR Valve

(2) Reed Valve

(3) Intake Manifold

(4) Exhaust manifold

(5) EGR Cooler

A : Intake Air

B : Exhaust Gas

C : Coolant Inlet Port

D : Coolant Outlet Port

KiSC issued 06, 2007 A

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