KEEWAY ARN125, Руководство по обслуживанию и ремонту

Страница: 80 / 85

80
10.inspect the pressure of cylinder pressure is too low
pressure is too low pressure is too low pressure is too low - valve mesh is not correct
-Valve clearance is too small
Pressure is normal -cylinder abrades piston ring
-Cylinder head gasket is damaged
-Providing gas position is not correct
11.disassemble cylinder head and inspect its lubrication
Distribution mechanism doesn’t lubricate well Distribution mechanism doesn’t lubricate well Distribution mechanism doesn’t lubricate well Distribution mechanism doesn’t lubricate well
oil path is blocked
-Something with oil pump
Good lubricating -oil filter or filtering paper is blocked
12.speedup or high-speed engine
engine engine
engine clash
clash clash
clash es
es es
es -there is carbon deposit in combustion room
-Use wrong trademark fuel
No clash -cylinder and piston are abraded
-Mixed air is too thin
-Ignition time advances
-Something wrong with ignition equip
·capability is not good at idle speed or low speed
1.inspect ignition time and vavle clearance. Not corrects
Not corrects Not corrects
Not corrects -something wrong with ignition coil.
-s
omething wrong with the adjustment 气门 of valve clearance.
Correct -ignition coil is not assembled correctly.
2.inspect adjusting screw of mixed air of carburetor not correct
not correct not correct
not correct -mixed air is too thin
-Mixed air is too thick
Correct
3.
inspect carburetor gasket/seal gasket -fixing bolt looses or heat insulation machine leaks out air
-Incorrect installation
- Heat insulation body of carburetor is damaged
4.ignition test
faint spark or discontinuous leaping spark
faint spark or discontinuous leaping spark faint spark or discontinuous leaping spark
faint spark or discontinuous leaping spark -something wrong with spark plug
-Spark plug is flooded
Ignition is normal -something wrong with ignition
-Wrong with charging or touching off coil
-Something wrong with ignition coil
-Spark plug and coil cut off or short circuit happens for them
-Ignition system doesn’t connect well
5.inspect if carburetor is blocked
blocked blocked blocked blocked -oil path of carburetor is blocked
Not blocked Not blocked Not blocked Not blocked - carburetor nozzle is blocked