Nanni 5.280HE Workshop Manual
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M-3DIESEL ENGINE03-M Series, WSM2. COOLING SYSTEM[1] BOTTOM BYPASS SYSTEMBottom bypass system is introduced in 03-M Seriesfor improving the cooling performance of the radiator.While the temperature of coolant in the engine is low,the thermostat is held closed and the coolant is allowedto flow through the bypass pipe and to circulate in theengine.When the temperature exceeds the thermostat valveopening level, the thermostat fully opens itself to preventthe hot coolant from flowing through the bypass into theengine.In this way, the radiator can increase its coolingperformance.W1013406(1) Thermostat (A) Bypass Opened(B) Bypass ClosedKiSC issued 08, 2012 A |
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