Fuel; Fuel Evaporation - VOGE 500DS User Manual

The fuel evaporation
In case there is malfunction in fuel evaporation system please contact VOGE service station for repair
Refit the fuel evaporation system is not allowed or it may break the fuel emission laws or regulations After
broke down and repaired each pipeline shall be well connected without gas leakage or block; The rubber
hose shall be without squeezing crack or damage The fuel vapor in the fuel tank releases to carbon
canister through desorption tube and when the engine stopped the fuel vapor absorbed by the activated
carbon in canister; And when the engine is working the fuel vapor in canister releases to engine
combustion chamber through the desorption tube to combust for preventing the direct emission of fuel
vapor into air which lead to pollution
The desorption is with the function for balancing the air pressure in fuel tank when the air pressure in fuel
tank lower than outside supplement the air pressure through the air tube on canister and desorption tube;
Under the cases make sure the pipeline unobstructed without squeezing or block and make sure the ,
correction installation of dumping valve or the fuel pump may damage and the fuel tank may distort or
crack and make other parts damage
The fuel evaporation control system works as below
( ) 1 When the fuel heated then evaporated and absorbed
through the dumping valve to the canister TANK end;
( ) 2 When the motorcycle inclined over 60︒ the dumping
valve closed the gasoline failed flow from dumping ,
valve to canister .
( ) 3 The fresh air flows from the A end to PURGE end of
canister which brings the fuel vapor into throttle valve
then flow from the air intake tube into engine join the
combustion .
40
,
,
,
.
,
,
.
, ,
,
.
,
,
,
The indicator for fuel evaporation
absorbed by canister
: The indicator for fuel evaporation
desorbed by canister
,
,
Engine
The diagram shows the connection for fuel evaporation control system
,
,
Fuel tank
Air
Throttle
Air intake tube
End A Connects
valve
to atmosphere)
.
.
Dumpi n g
val v e
Canister
(