- 127 -
12.Carburetor
Preparation documents-------------12.1
Failure diagnosis -------------12.2
Removal of carburetor---------12.3
Installation of carburetor---------12.4
Adjustment of carburetor---------12.5
12.1 Preparation documents
Note
Gasoline is very dangerous, fireworks is strictly prohibited in workplace.
·Pay special attention to sparks.
·Forcibly pulling and bending of wires is not allowed.
Distortion and damage will affect the wires.
·After disassembling of the carburetor, block the intake manifold with cloth in case of the entering of foreign
matter.
·Unused for more than a month, the gas in carburetors of displacer type should be let out, as the gas in the
displacer type may go bad, blocking the idling jet to make idle speed not safe.
Use of carburetor： Carburetor is a critical component in the fuel feed system of the engine; its working
directly affects the stability of the engine and dynamic, economic indicators. Certain amount of gasoline is
atomized into little oil drops in it, and mixed with different quantities of gas homogeneously, forming vaporific
fuel mixture of different thickness according to needs of different working condition of the engine and supplied to
the engine to ensure continuous and normal operation of the engine.
Preparation standard unit：mm
Item Standard value
Main spray nozzle 47.5
Main metering hole 50#
Idle metering hole 22.5#
Oil needle B05-2
To Next Page
Loading...
Need help?
General
