needle valve body
1.Needle Valve and valve seat contact
surface attachment of a foreign body.
Reason: the needle valve and the valve seat is control
the oil feeding amount, the sealing of the stringent requirements, contact
surface smoothness high. Such as the contact surface attachment of a foreign
body, will cause the needle valve and valve seat sealing, leakage. Foreign body
mainly refers to the impurities in gasoline and condensation of glioma. In order
to avoid this kind of failure, the user should pay attention to regular cleaning
gasoline filter and use good quality gasoline.
Elimination: according to the carburetor cleaning
method.
2. Needle Valve wear
Reason:
1)the
needle valve in use process due to impurities in gasoline erosion and in contact
with the valve seat wear .
2)The float
buoy ends of balance, to drive the needle valve side stress and wear. Needle
valve seat wear cause and untight sealing and leakage.
Elimination:
1)replacing the needle valve, and users should pay
attention to regularly clean the fuel filter and the use of good quality
gasoline.
2)Replacing the needle, while
adjusting the float buoy ends are positioned on the same horizontal plane.
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