CheryQQServiceManual MechanicalPartofSQR472Engine
1
CONTENTS
Chapter1 ReadingInstruction......................................................................................................................................2
1)ReadingmethodofMaintenance Instruction............................................................................................................2
2)MeaningofMarksandAbbreviations......................................................................................................................3
3)SpecialMaintenance Tool.........................................................................................................................................4
Chapter2 Disassembly,Assemblyand Maintenance....................................................................................................6
1)TimingBelt...............................................................................................................................................................6
1. StructureDiagram.............................................................................................................................................6
2. Disassembly......................................................................................................................................................7
3. Installation......................................................................................................................................................10
2)Camshaft.................................................................................................................................................................13
1. StructureDiagram...........................................................................................................................................13
2. Disassembly....................................................................................................................................................14
3. Installation......................................................................................................................................................16
4. RoutineInspection ofValve............................................................................................................................19
3)CylinderHead.........................................................................................................................................................22
1. StructureDiagram...........................................................................................................................................22
2. Disassembly....................................................................................................................................................23
3. RoutineInspection..........................................................................................................................................23
4)WaterPump............................................................................................................................................................29
1. StructureDiagram...........................................................................................................................................29
2. Disassembly....................................................................................................................................................29
3. Cleanup...........................................................................................................................................................29
4. RoutineInspection..........................................................................................................................................29
5. Assembly.........................................................................................................................................................29
5)Oil Pump.................................................................................................................................................................29
1. StructureDiagram...........................................................................................................................................30
2. Disassembly....................................................................................................................................................30
3. Cleanup...........................................................................................................................................................30
4. Disassemblyand AssemblyofEngineOil Pump............................................................................................43
4.1 StructureDiagram.................................................................................................................................42
4.2 Disassembly..........................................................................................................................................42
4.3 RoutineInspection................................................................................................................................42
4.4 Installation.............................................................................................................................................44
5. DisassemblyofOil Seal..................................................................................................................................45
5.1 StructureDiagram.................................................................................................................................45
5.2 Disassembly..........................................................................................................................................46
5.3 Inspection..............................................................................................................................................46
5.4 AssemblyofOil Seal............................................................................................................................46
6Assembly..........................................................................................................................................................46
6)Crank ConnectingRodMechanism........................................................................................................................46
1. StructureDiagram...........................................................................................................................................48
2. DisassemblyofCrankConnectingRodmechanism.......................................................................................48
3. Cleanup...........................................................................................................................................................49
4. RoutineInspection..........................................................................................................................................52
5. AssemblyofCrankConnectingRodMechanism...........................................................................................53
