JAC S2. Engine. Instruction — part 3
Engine Mechanical System
Engine Mechanical System 33
Engine accelerating is poor
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Engine Mechanical System
Engine Mechanical System 34
Engine shake while idling
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Engine Mechanical System
Engine Mechanical System 35
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Engine Mechanical System
Engine Mechanical System 36
III、Alternator belt
(I)Disassembly
1. Open engine cover
2. Disconnect battery cathode cable, refer to battery cable disconnect and connect
3. Disassemble alternator belt
1). Mark on relative location of alternator and upper bracket of alternator;
2). Loosen alternator adjusting nut;
3). Adjust belt tension, remove alternator belt.
(II)Check
1. Check alternator belt
1). Check if the belt is worn/cracked/oil stains. If necessary, please
replace.
△
caution
Please operate after engine is off.
(III)Installation
1. Install alternator belt
1). Install belt, tighten alternator adjusting nut
torque
(22.5±2.5)N·m
2. Connect battery
cathode cable
3. Close engine cover
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Engine Mechanical System
Engine Mechanical System 37
IV、Cylinder cover shield component
(I)Disassembly
1. Open engine cover
2. Disconnect battery cathode cable, refer to battery cable disconnect and connect
3. Disassemble ignition coil, refer to ignition coil
4. Disassemble spark plug, refer to spark plug
5. Disassemble air filter assembly, refer to air filter assembly
6. Disassemble air filter bracket I, refer to air filter bracket
7. Disassemble PCV valve, refer to PCV valve
8. Disassemble cylinder cover shield component
1). Disconnect respirator ventilation ducting and cylinder cover shield component
2). Disassemble 10 fixing bolt of cylinder
cover shield component
3). Remove f cylinder cover shield component
and cylinder cover shield seal ring
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(II)Installation
1. Install cylinder cover shield component
1). Replace with new cylinder cover shield seal ring, install it to cylinder cover shield component
2). Smear sealant equably to cylinder cover shield seal ring
3). Install cylinder cover shield component, tighten fixing nut
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Engine Mechanical System
Engine Mechanical System 38
4).Connect respirator ventilation hose and cylinder cover shield component
2. Install PCV valve
3. Install air filter bracket I
4. Install air filter assembly
5. Install spark plug
6. Install ignition coil
7. Connect battery cathode
cable
8. Close engine cover
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Engine Mechanical System
Engine Mechanical System 39
V、engine assembly
(I)Disassembly
1. Open engine cover
2. Disconnect battery cathode cable, refer to battery cable disconnect and connect
3. Release fuel system pressure, refer to release fuel system pressure
4. Disassemble engine left front cover, refer to engine cover
5. Disassemble engine right front cover, refer to engine cover
6. Drain clutch hydraulic oil, refer to the drain and fill of clutch hydraulic oil
7. Drain transmission lubricant, refer to the drain and fill of transmission lubricant.
8. Drain engine oil, refer to the drain and fill of engine oil
9. Drain coolant, refer to the replacement of coolant
10. Recycle freon/ refrigerant oil, refer to freon/ refrigerant oil
11. Disassemble intake hose, refer to intake hose assembly
12. Disassemble pipe and expansion valve assembly, refer to pipe and expansion valve assembly
13. Disassemble water inlet and outlet assembly of warm wind, refer to disassemble water inlet and outlet assembly of warm wind
14. Disassemble air filter assembly, refer to air filter assembly
15. Disassemble battery, refer to battery
16. Disassemble battery tray, refer to battery tray
17. Disassemble back-up lamp switch, refer to back-up lamp switch
18. Disassemble clutch working cylinder, refer to clutch working cylinder and oil inlet assembly
19. Disassemble starter, refer to starter
20. Disassemble left front wheel, refer to wheel
21. Disassemble right front wheel, refer to wheel
22. Disassemble left driving axle assembly, refer to axle assembly
23. Disassemble right driving axle assembly, refer to axle assembly
24. Disassemble transmission assembly, refer to transmission assembly
25. Disassemble engine assembly
1). Disconnect water inlet and outlet assembly of
warm wind and cylinder cover.
2). Disconnect cylinder cover and respirator ventilation hose.
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Engine Mechanical System
Engine Mechanical System 20
3).Disconnect engine harness and ECM.
4). Cut the connection between radiator outlet pipe
and water pump inlet.
5). Cut the connection between radiator
inlet pipe
and cylinder cover.
6). Disassemble the screw bolts and nuts connecting
engine right suspension and engine.
7). Desend engine assembly.
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Engine Mechanical System
Engine Mechanical System 21
(II)Installation
1. Install engine assembly
1). Put the engine assembly under the engine compartment, lift up the engine assembly
2). Install the 2 nuts and 2 bolts connecting engine right suspension
and engine.
3). Connect radiator inlet pipe and
cylinder cover.
4). Connect radiator outlet pipe and water
pump inlet.
5). Connect engine compartment harness
and ECM.
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Engine Mechanical System
Engine Mechanical System 22
6). Connect cylinder cover and the ventilation hose of respirator
7). Connect inlet and outlet pipe assembly
of warm wind and cylinder cover.
2. Install transmission assembly
3. Install right driving axle assembly
4. Install left driving axle assembly
5. Install right front wheel
6. Install left front wheel
7. Install starter
8. Install clutch working cylinder
9. Install back-up lamp switch
10. Install battery tray
11. Install battery
12. Install air filter assembly
13. Install water inlet and outlet assembly of
warm wind
14. Install pipe and expansion valve assembly
15. Install intake hose
16. Fill Freon, refrigerant oil
17. Fill coolant
18. Fill engine oil
19. Fill transmission lubricant
20. Fill clutch hydraulic oil
21. Install engine right front cover shield
22. Install engine left front cover shield
23. Connect battery cathode cable
24. Close engine cover
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Engine Mechanical System
Engine Mechanical System 23
VI、Idle wheel
(I)Disassembly
1. Open engine cover
2. Disconnect battery cathode cable, refer to battery cable disconnect and connect
3. Disassemble alternator belt, refer to alternator belt
4. Disassemble idle wheel
1). Disassemble 1 fixing bolt
2). Remove idle wheel
(II)Installation
1. Install idle wheel
1). Install idle wheel to chain wheel compartment cover, tighten bolt.
2. Install alternator belt
3. Connect battery
cathode cable
4. Close engine cover
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Engine Mechanical System
Engine Mechanical System 24
VII、Crankshaft pulley
(I)Disassembly
1. Open engine cover
2. Connect battery cathode cable, refer to battery cable disconnect and connect
3. Release fuel system pressure, refer to release fuel system pressure
4. Disassemble engine left front cover, refer to engine cover
5. Disassemble engine right front cover, refer to engine cover
6. Drain clutch hydraulic oil, refer to the drain and fill of clutch hydraulic oil
7. Drain transmission lubricant, refer to the drain and fill of transmission lubricant.
8. Drain engine oil, refer to the drain and fill of engine oil
9. Drain coolant, refer to the replacement of coolant
10. Recycle freon/ refrigerant oil, refer to freon/ refrigerant oil
11. Disassemble intake hose, refer to intake hose assembly
12. Disassemble pipe and expansion valve assembly, refer to pipe and expansion valve assembly
13. Disassemble water inlet and outlet assembly of warm wind, refer to disassemble water inlet and outlet assembly of warm wind
14. Disassemble air filter assembly, refer to air filter assembly
15. Disassemble battery, refer to battery
16. Disassemble battery tray, refer to battery tray
17. Disassemble back-up lamp switch, refer to back-up lamp switch
18. Disassemble clutch working cylinder, refer to clutch working cylinder and oil inlet assembly
19. Disassemble starter, refer to starter
20. Disassemble left front wheel, refer to wheel
21. Disassemble right front wheel, refer to wheel
22. Disassemble left driving axle assembly, refer to axle assembly
23. Disassemble right driving axle assembly, refer to axle assembly
24. Disassemble transmission assembly, refer to transmission assembly
25. Disassemble engine assembly, refer to engine assembly
26. Disassemble alternator belt, refer to alternator belt
27. Disassemble
crankshaft pulley
1). Use flywheel stop to fix flywheel
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Engine Mechanical System
Engine Mechanical System 25
2). Remove 1 fixing bolt
3). Remove crankshaft pulley
(II)Installation
1. Installation crankshaft pulley
1). Use flywheel stop to fix
flywheel
2). Install crankshaft pulley to chain wheel compartment
cover, tighten fixing bolt.
torque
(100±5)N·
m+ (90±2)°
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Engine Mechanical System
Engine Mechanical System 26
2. Install alternator belt
3. Install engine assembly
4. Install transmission assembly
5. Install right driving axle assembly
6. Install left driving axle assembly
7. Install right front wheel
8. Install left front wheel
9. Install starter
10. Install clutch working cylinder
11. Install back-up lamp switch
12. Install battery tray
13. Install battery
14. Install air filter assembly
15. Install water inlet and outlet pipe assembly of warm wind
16. Install pipe and expansion valve assembly
17. Install intake hose
18. Fill Freon/refrigerant oil
19. Fill
cooling liquid
20. Fill engine oil
21. Fill transmission lubrant
22. Fill clutch hydraulic oil
23. Install engine right front cover
24. Install engine left front cover
25. Connect battery cathode cable
26. Close engine cover
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Engine Mechanical System
Engine Mechanical System 27
VIII、Flywheel component
(I)Disassembly
1. Open engine cover
2. Disconnect battery cathode cable, refer to battery cable disconnect and connect
3. Disassemble engine left front cover, refer to engine cover
4. Disassemble engine right front cover, refer to engine cover
5. Drain clutch hydraulic oil, refer to the drain and fill of clutch hydraulic oil
6. Drain transmission lubricant, refer to the drain and fill of transmission lubricant
7. Disassemble battery, refer to battery
8. Disassemble battery tray, refer to battery tray
9. Disassemble back-up lamp switch, refer to back-up lamp switch
10. Disassemble clutch working cylinder, refer to clutch working cylinder and oil intake pipe assembly
11. Disassemble starter, refer to starter
12. Disassemble left front wheel, refer to wheel
13. Disassemble right front wheel, refer to wheel
14. Disassemble left driving axle assembly, refer to driving axle assmbly
15. Disassemble right driving axle assembly, refer to driving axle assmbly
16. Disassemble transmission assembly, refer to transmission assembly
17. Disassemble clutch cover and platen assembly, clutch driven plate,
refer to Disassemble clutch cover and platen assembly, clutch
driven plate
18. Disassemble flywheel component
1). Use flywheel stop to fix flywheel
2). Disassemble 6 fixing bolts
3). Remove flywheel component
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Engine Mechanical System
Engine Mechanical System 28
(II)Installation
1.
Install flywheel component
1). Use flywheel stop to fix flywheel
2). Install 6 fixing bolts of flywheel.
2. Install clutch cover and platen assembly,
clutch driven plate
3. Install right driving axle assembly
4. Install left driving axle assembly
5. Install right front wheel
6. Install left front wheel
7. Install starter
8. Install clutch working cylinder
9. Install back-up lamp switch
10. Install battery tray
11. Install battery
12. Fill transmission lubricant
13. Fill clutch hydraulic oil
14. Install engine right front cover shield
15. Install engine left front cover shield
16. Connect battery cathode cable
17. Close engine cover
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