Analysis and Improvement of Cooling Water High Temperature for DV15 Diesel Engine

DV15 diesel engine equipped on the mining vehicles serving in Yinchuan has malfunctions like high water temperature,auxiliary water tank defection,cylinder scuffing and engine oil burning,etc.This paper analyzes and proposes improvement measures for the engine cooling system,including cooling fans,wind guide cover,thermostat,condenser and water pump pulley and carry out a test validation.