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成都纺织高等专科学校毕业论文 中文摘要
成都纺织高等专科学校机械工程与自动化系
毕业设计
题目lfunction; what is more a vehicle tyre and auto spontaneous combustion. Symptoms obviously, causes more complex, mainly automotive internal fault without being noticed, develop into sudden damage.
Automobile use, failure, often the most easily to the abnormal noise of forms. Under normal circumstances, the driver and passengers can be heard. Have the experience can be based on different sound occurring position and the sounds of different frequencies and timbre judgment fault, general sound rather boring and accompanied by a strong chattering when fault is more serious, it should stop, reduce the engine speed or stop the engine to find, some sounds are certain parts of a fault occurs, the vehicle is not influenced, temporarily do not check out, the car back to the base or the nearest into the Department of vehicle maintenance and repair please experienced staff search.
This article from the automobile starting system, ignition system, fuel injection system, analyzes the fault reason and elimination method.
Keywords: performance, operating conditions, different sound
成都纺织高等专科学校毕业论文 目录
目录
目录 4
第1章 前言 1
第2章 启动系统故障与分析 2
启动系统的的概述 2
接通起动开关，起动机不转故障 2
起动机运转无力故障 4
起动机空转故障 5
起动机转动时有撞击声故障 6
维修案例 6
第3章 燃油喷射系统故障与分析 9
燃油喷射系统概述 9
检测诊断及维修电控汽油喷射系统注意事项 9
基本的诊断方法 10
电子控制燃油喷射系统的常见故障 10
几种最常见故障的诊断程序 12
电控系统的故障诊断及检修 12
电喷车启动困难分析 13
维修案例 18
第4章 冷却系统故障与分析 30
成都纺织高等专科学校毕业论文 目录
发动机冷却系统概述 30
水温过高 30
冷却液泄漏 32
冷却液消耗异常 32
发动机过热 33
发动机工作温度过低 33
维修案例 34
发动机冷却系案例分析 34
第5章 润滑系统故障与分析 36
润滑系统概述 36
润滑系统出现报警 36
发动机机油压力过高 37
机油消耗过大 37
机油变质 37
机油压力表针出现抖动 40
维修案例 40
第6章 电控点火系统故障与分析