Nameplate of a diesel engine is located on the top surface of the air
intake。The engine model and the ex-works identification number series
number (see the figure left) also are stamped on the bottom flange
platform at the middle of exhaust side of the cylinder block
尊敬的玉柴顾客:
欢迎您加入玉柴机器用户行列,中心希望玉柴机器能给您
带来滚滚财源和长久的好运。本系列产品采用先进的技术设计,
质量可靠、使用寿命长,具有良好的动力性和经济性。为了使
机器的优越性能得到更好的发挥,并保证机器的安全运行,青
年在使用之前首先详细阅读本使用说明书,并特别注意以下的
“安全行车注意事项”。
Respected customers of Yuchai:
Thank you for choosing a product of Yuchai. W e sincerely wish it brings
you more fortune and good luck. Advanced designs, which guarantee
reliability and longevity with high performance and fuel efficiency, are
used in our products. In order to enhance engine operation and safety,
please first read the manual in detail and pay special attention to
following the precautions for safe driving.
The oil pressure transmitter, water temperature sensor and,
especially, the oil warning lamp are very important; if something goes
wrong with any one of them, replace it immediately and ensure that it
operates normally. Otherwise, the crankshaft may burn out due to lack
of oil and the cylinder head overheat and crack due to lack of water.
If the oil filter element is cleaned or replaced during maintenance,
it should first be filled with oil and then re-installed. Moreover, after
installation it is necessary to start the engine and run it at idle speed,
and then to get out of the driver’s cab and check carefully for leakage. If
leakage occurs, repairs should be performed immediately, otherwise
this will cause crankshaft failure due to lack of oil.
Every time before driving the vehicle, the diesel engine should be
started first and run at idle speed for 3 to 5 minutes to warm-up and
make all instruments function at normal status. Do not press the
accelerator pedal abruptly when the engine is cold. Increasing speed
rapidly may damage all kinds of instruments and their corresponding
parts, accelerate wear of moving parts, and shorten the engine’s life.
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4.应避免高速、大负荷运转这台下突然熄火停机,应逐渐降
速、降负荷,带速运转 3~5 分钟后再停机。
Avoid stopping engine abruptly at high speed and under heavy
load operating conditions. Decrease engine speed and load gradually,
and then stop the engine after idle operating for 5 to 10 minutes.
The injection advance angle of the turbocharged diesel engine
should be adjusted strictly in accordance to the directions in the manual.
While the diesel engine power is decreasing, first check for leakage in
the intake system and see whether the air cleaner has been clogged or
not. Pay attention to the flattening of the hose between the air cleaner
and turbocharger inlet when suddenly revving a warm engine and then,
if necessary, adjust or repair it.
6.凡发现汽车及柴油机工作不正常时,要立即停车及时拆除
故障,决不能让汽车带病运行。
Whenever the vehicle or diesel engine experiences a problem,
stop it promptly and perform repairs immediately. Forbid running a
malfunctioning vehicle.
7.检查发动机时,不要直接触摸发动机的高温部件(例如
排气管),不要停机后马上打开水箱盖,以免烫伤。
When checking the engine, do not touch the high temperature
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components (such as the exhaust pipe) directly, and do not open the
water tank immediately after stopping the engine to avoid being
scalded.
8.凡新机运行达 1500~5000 公里时,须及时到玉柴的委托
技术服务站进行走合保养,否则不予实行柴油机的质量保修。
When a new engine has run 1500-2500km, after break-in
maintenance should be performed immediately at an authorized
technical Yuchai service station,otherwise maintenance can not be
implemented under warranty.
9.冷却系统的冷却液必须是防冻液,否则由此引起的质量故
障,不予实行三包。
The coolant of the cooling system must be an anti-freeze solution;
otherwise, trouble caused by this can not be remedied under warranty.
A diesel engine can run normally only under definite environmental
conditions. The required temperature range is from –15℃ to 40℃, and
the altitude should be below 2000m. It is prohibited to make it run
submerged under water and in fire conditions. If the environment is of
heavy sand or dust, please pay more attention to cleaning the air filter
element and if the filter element is damaged, replace it at once. When
the temperature is lower than -15℃ or higher than 40℃ or the altitude
is higher than 2000m, the user should consult with a technical Yuchai
- 4 -
service station and measures should be taken to ensure the normal
operation of the engine.
Please operate and maintain the diesel engine correctly.
Otherwise, noise, exhaust soot, and pollutant emission of the diesel
engine may increase, causing environmental problems.
12 根据包装箱外的注意事项进行吊运、运输,贮存柴油机
的环境应通风、干燥、清洁、无腐蚀性物质。
Hoist and transport the engine in accordance with the precautions
described on the outside the packageing case. The place for storage of
the engine shall be well-ventilated, dry, clean and free of corrosive
substances.
YC4E(41 10) series engine is a new product that To meet demand
and developmen
basis of YC6G engine and an excellent choice to power medium bus
and light-duty vehicles.
The manual presents the technical specifications, the main
accessories, the main technical structure and basic knowledge about
operating and maintaining of the engine. Meanwhile, it also illustrates
some of the primary troubles and troubleshooting methods. The user
can understand and master the operation and maintenance of the
YC4110 series diesel engine by reading this manual in detail, which
would increase its economic benefit.
t of the market. It isself developed by Yuchai on the
随着生产的发展和不断满足用户的要求,该系列机型也会不断地
改进和提高,除特殊的变型设计和大的结构改进外,本说明书不再作
更改,因此过了一定的时间后,说明书的介绍与柴油机的时机结构可
- 8 -
能有一定的出入,请用户给予谅解并加以注意。
Along with the development of the consumer market and
production techniques, the diesel engine will be improved and modified
continually. In general, the manual will not be changed except for great
design modification, and so some contents may differ from the actual
diesel engine after a period of time. Please pay special attention to the
differences.
Moreover, though the product modifications are increasing
continually, the manual only shows the basic type diesel engine and
does not enumerate them.
玉柴技术中心负责对本说明书的解释,并由玉柴技术服务中心负
责对用户的技术咨询工作。
The technical development center of Yuchai company is
responsible for the explanation of the manual, and the technical service
center for advising the customers.
玉柴机器股份有限公司
Yuchai Machinery Co. Ltd.
- 9 -
目 录
第一章 YC4E(4110)系列柴油机主要技术规格及主要附件规
格……………………………………………………(15)
YC4E(4110)series Basic Specification of Engine and S pecifications
and Technical Data of Main Components
一、主要技术规格…………………………………(15)
Basic Specification of Engine
二、主要附件的规格及型号………………………(16)
Specifications of Main Components of Engine
三、柴油机主要技术数据…………………………(19)
Basic Technical Data of Engine
第二章 柴油机的基本结构及维护方法……………………(23)
Primary Structures of Engine and Their maintenance
一、气缸体………………………………………… (23)
Cylinder Block二、气缸盖与配气机构……………………………(24)
Cylinder Head and Valve Train
三、曲柄连杆机构…………………………………(30)
Crank-connecting rod mechanism
四、燃油供给系统………………………………… (32)
Fuel supply system
五、润滑系统………………………………………(37)
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Lubrication System
六、冷却系统……………………………………… (39)
Cooling System
七、增压和中冷系统………………………………(40)
Turbocharger and Intercooler system
八、起动装置、电器系统与仪表…………………(44)
Starter、Electrical System and meter
九、转向泵…………………………………………(46)
Hydraulic Steering Pump第三章柴油机的使用和维护保养…………………………(47)operation and maintenance of engine
一、柴油机的使用…………………………………(47)
Operation of engine
二、柴油机的维护保养……………………………(49)
Engine Service and Maintenance
第四章 柴油机的一般故障及其排除方法…………………(52)
Engine Frequently Possible Troubles and Their Remedy
附录一 博世 VE 型分配泵装配及供油提前角度的检查
与调整……………………………………………………… (58)
Appendix I
附录二 防冻液及使用说明……………………… (62)
Appendix I Antifreeze and Its Operating Instruction
附录三 喷油器使用注意事项…………………… (69)
Precautions for Injector Operation
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- 12 -
- 13 -
- 14 -
YC4CZQ 柴油机总功率试验曲线
Test Curve of Gross Power of YC4CZQ Engine
- 15 -
YC4CZQ 柴油机万有特性曲线
- 16 -
YC4E150-20 柴油机外特性性能曲线
- 17 -
YC4E150-20 柴油机万有特性曲线
- 18 -
YC4E160-20 柴油机外特性性能曲线
- 19 -
- 20 -
- 21 -
YC4E160-20 柴油机万有特性曲线
第一章 YC4E(4110)系列柴油机
YC4E(4110) Series Engine
主要技术规格及主要附件规格
Basic Specification of Engine and Specifications of Main Components
Note: The rated power, max. torque, and Min. specific fuel consumption
at full-load refer to the measurement values in the state that the charge
temperature is 25℃, dry air pressure is 99kPa, vapor pressure is 1kPa,
and the total intake pressure is 100kPa. If the experiment condition is
not accordance with these, those should be modified in according to
the formula mentioned in The Experiment Measurement of Engine
Performance. The rated power tolerance is ±5%, and the power
tolerances in other speeds are ±6%.
二、 主要附件的规格及型号
Accessories specifications
(注:1.除 530 机型的喷油泵以外,其余机型喷油泵型号以
龙口厂为准,增压器以上海联信、喷油器以无锡欧
亚为准,其余各厂家产品参考排放公告。
2.起动机、发电机、空气压缩机邓福建可因配套不同
车型调整)
- 25 -
机型 YC4110
型式
model
code
喷
油
泵
Fuel
injecti
on
pump
asse
mbly
型号
type
柱塞直
径(mm)
plunger
diamete
r(mm)
柱塞行
程(mm)
plunger
stroke(
mm)
出油阀
直径
(mm)
delivery
valve
diamete
r(mm)
YC4110
ZQ
BHT4PA
110R13
04
单列柱
塞式
in-line
plunge
r
Ф11 Ф12 Ф11 Ф12 Ф11
11 3.2 11 3.2 11
Ф7 Ф7 Ф7
ZLQ
VE4/12
F1400
轴向柱
塞分配
式
P-type
pump
YC4E160
-20
BHT4PA110R1304 V4E/12
单列柱塞
式
in-line
plunger
YC4E1
5-20
轴向柱塞分配式
P-type pump
YC4E14
0-20
F1400
YC4E135
-20
BHT4PA1
10R1304
单列柱
塞式
in-line
plunger
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