Content .. 12 13 14 15 ..

Chery A11. Manual - part 14

CAC Gasoline Engine Maintenance And Servicing Manual

1、 temperature regulator seat assembly 11、camshaft thrust plate

2、

temperature regulator seat 12、camshaft timing gear

3、

distribulator 13、timing belt

4、

camshaft assembly 14、upper\ lower timing gear cap assembly

5、

fuel pump assembly 15、water pump assembly

6、

air intake manifold assembly 16、camshaft timing gear

7、

fuel pressure switch 17、tensioner pulley assembly

8、

oil filter assembly 18、oil pump assembly

9、

rear oil sealing carrier assembly 19、camshaft oil sealing

10、

oil collector assembly

PDF 文件使用 "pdfFactory Pro" 试用版本创建

www.fineprint.com.cn

CAC Gasoline Engine Maintenance And Servicing Manual

Main engine technical indexes and operation parameters

CAC478C CAC480C CAC480M

Type

Line,4-cyl, four strokes, water-cooling

← ←

Cylinder bore diameter(mm) 77.24

79.94 ←

Stroke(mm)

74.30

79.52 ←

Total displacement(L)

1.392

1.596 ←

Compression ratio

9.5∶1 9.75∶1 9.75∶1

Nominal power/RPM 54/5500

60/5500 62/5500

(kW/r/min)(Total power)
Output maximum torque/RPM 105/3000-3500 128/3000-3500 128/3000-2500
(Nm/r/min)(Total power)
Minimum fuel consumption of
total power for external characteristic 298

290

285

(g/KW·h)
Fuel supply system Carburetor

← Single-point

electric control fuel injection

Combustion chamber shape Wedge type Hemisphere type Hemisphere type

Cylinders Working Order 1-3-4-2 ←

←

Direction of crankshaft rotation Clockwise(Viewed ← ←

from the front)

Lubrication Mechanical lubrication+Splash feed ←

←

Idling speed r/min

850±50 ←

900±50

Emission(Idling)CO 2%

←

1.2%

Weight (kg) 105

108

Overall dimensions
(Length * width * highness) 670×630×650 670×630×650 620×610×650

(mm)

Ignition angle at idle
(Crankshaft angle 7°±1° 7°±1°

10°±1°

，Before top dead center)
Valve timing(Crankshaft angle)
Intake valve opened Before top dead center18° ← ←
Intake valve closed

After bottom dead center50 57° ←

Exhaust valve opened

before bottom dead center 61° 60° ←

Exhaust valve closed

After top dead center 7° 15° ←

PDF 文件使用 "pdfFactory Pro" 试用版本创建

www.fineprint.com.cn

CAC Gasoline Engine Maintenance And Servicing Manual

Application parameters：

Lubricant(With temperature at - 10℃ or more)

SAE10W/30—50( grade SF)

Gasoline

93#(SH0041) Common unleaded

Gasoline

Engine oil pressure Idling 100kPa min
2000r/min(80℃)

280kPa min

Engine oil capacity (L)

3.86(New oil filter)

Oil pump pressure regulator starts to open(pressure) kPa 440±20

Engine oil filter by-pass valve starts to open (pressure) kPa 78—118

Coolant

50%Glycol+50%Soft water(Rate

by volume)

Coolant capacity (Total)(L)                                                          8

Thermo-sister          Starts to open (Temperature)  ℃                  85—89
                                Fully open(temperature)℃                            99—102

Expansion tank pressure cap pressure kPa                                    160

Fan diameter (mm)

280

Fan speed r/min

Ⅰspeed 1500

Ⅱspeed 2800

Air filter

1GD129607G

PDF 文件使用 "pdfFactory Pro" 试用版本创建

www.fineprint.com.cn

CAC Gasoline Engine Maintenance And Servicing Manual

Engine structural features

1.Cylinder block：Made from gray cast iron. Without bibcock. Without cylinder liner.5 main

bearing seats. Main Intermediate bearing anti-thrust. Main bearing caps are retained by
spigot. Main bearing bolts of 12.9 grade.

2.Cylinder head：Made from aluminum alloy. Intake and exhaust valve seats and valve guides

strutting.6 camshaft supports. Without camshaft bushing. with fuel pump, Push rod and
distributor，Thermo-sister in cylinder head for Carburetor engine. with thermo-sister in
cylinder head for Electric control engine. Cylinder cover bolts of 10.9 grade.

3.Piston：made from eutectic aluminum silicon. Anti-expansion steel-strutted skirt. Ellipse head

and skirt. Cone head. Barrel skirt.

4.Piston ring：First compression ring of ductile cast iron. With excircle sprayed molybdenum.

Ground ring with barrel surface.
Second compression ring is of twist type. made from alloy cast iron.
Steel strip combination oil ring. With scape blade excircle chroming.

5.Piston pin：Low carbon steel. Surface carbonizing and quenching. Semi-floating

structure(Interference fit with small end of connecting rod. Clearance fit with piston pin hole.

6.Connecting rod：Forged steel. Flat insection. Without small end bushing. Connecting rod stem

and cover are retained by 2 spring dowels. Piston and cylinder block is lubricated by oil spray
from connecting rod bearing bore drill. Connecting rod bolts of 12.9 grade.

7.Crankshaft：4 balance weight. Ductalloy. Normalizing treatment.
8.Bearing bushing：Connecting rod bushing,Main bearing bushings and thrust washers are all

made of tin&aluminium duplex metal. Two pieces of thrust washer. They are mounted in
cylinder block.

9.Flywheel：It is made of ductalloy. May be fitted with 190 and 210 clutch. Casted with

crankshaft speed signal disk.

10.Camshaft：It is made of alloy cast iron. Cam and fuel pump eccentric cam high frequency

quenching treatment. 5 supports. Camshaft thrust spacer is made from low carbon steel.
Surface carbonitriding .

11.Rocker arm：Low carbon steel、Stamping. Surface carbonitriding. Rocker arm stud of 10.9

grade.

12.Hydraulic lifting rod：The surface contacting cam is quenched. The contact face with rocker

arm is made of low carbon steel. Surface carbonitriding，Both contact face are circular-arc.

13.Intake valve seat：It is made of alloy cast iron.
14.Exhaust valve seat：Iron base powder metallurgy. Quench treatment.
15.Valve guide：It is made from alloy cast iron.
16.Valve： Intake valve：Made from 4Cr9Si2. With smaller end of conical surface

quenched，With conical surface angle 45°.With large nest seat in the valve head for
hemispherical combustion chamber.

Exhaust valve：4Cr9Si2-21-4N. With conical surface angle 45°.With smaller end

quenched.

17.Gear：Made from iron base powder metallurgy.
18.Timing belt：Made from cyaniding butadiene-acrylonitrile rubber.

PDF 文件使用 "pdfFactory Pro" 试用版本创建

www.fineprint.com.cn

Content .. 12 13 14 15 ..