Chery SQR 7160 sedan. Manual - part 23

CAC Gasoline Engine Maintenance And Servicing Manual 

10 

 

Carburetor engine exploded view   

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CAC Gasoline Engine Maintenance And Servicing Manual 

11 

 

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

 

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CAC Gasoline Engine Maintenance And Servicing Manual 

12 

 

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 

              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°          ← 

     

 

 

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CAC Gasoline Engine Maintenance And Servicing Manual 

13 

 

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 

 

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