Hisun HS700UTV-4, Руководство по обслуживанию

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TROUBLESHOOTING
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Starter motor
1
、
Faulty starter motor
2
、
Faulty starter relay
3
、
Faulty overrunning clutch in engine
4
、
Broken main switch
5
、
Broken main fuse
Battery
1
、
Low battery voltage
2 、 Faulty battery
COMPRESSION SYSTEM
Cylinder and cylinder head
1
、
Loose spark plug
2
、
Loose cylinder head or cylinder
3 、 Broken cylinder head gasket
4
、
Broken cylinder gasket
5
、
Worn, damaged or seized cylinder
Piston and piston rings
1
、
Improperly installed piston ring
2 、 Worn, fatigued or broken piston ring
3
、
Seized piston ring
4 、 Seized or damaged piston
Valve, camshaft and crankshaft
1 、 Improperly sealed valve
2
、
Improperly contacted valve and valve seat
3
、
Improper valve timing
4
、
Broken valve spring
5
、
Seized camshaft
Crankcase and crankshaft
1 、 Improperly seated crankcase
2
、
Seized crankshaft
Valve train
1
、
Improperly adjusted valve clearance
2 、 Improperly adjusted valve timing
POOR IDLE SPEED PERFORMANCE
POOR IDLE SPEED PERFORMANCE
EFI system
1
、
Broken ECU
2
、
Clogged nozzle or the rupture the line from nozzle to ECU
3
、
Damage of engine speed signal sensor
4 、 Rupture of the line from engine speed signal sensor to ECU
5
、
Broken inlet pressure or temperature sensor or damaged line to ECU
6 、 Broken air throttle or damage line to ECU.
7
、
Broken vice line (cable) of electrical injection