3
．
Examine and Maintenance
1) Canister
aa). The connection between rubber tube and carbon jar, throttle body, fuel tank
shall be checked frequently, whether fastness, loose. falloff. rubber tube broken
is not allowed.
b. examine the system whether working fine ,when running 10,000KM every
time.
(1) Pull out the rubber tube from the CANISTER, and then take out the
canister.
(2) When blow air to the carbon jar from the absorb hole, there is obvious air
flow out at the desorption hole and vent hole.
(3) If there is no air flow out from atmosphere hole and desorption , check the
hole inside if there is foreign body, then examine according to the (2), still no air
flow, should change the carbon jar.
(4) Finish checking , recovery carbon jar connection, and assure the connection
with rubber tube is deep-set.
WARNING:
Don’t suck the connection interface on the carbon jar, the fuel steam inside the carbon jar is harmful to
people’s body.
Attention: change the carbon jar after running 50,000 miles every time.
2) Fuel tank pressure control valve
check
a. Take down the fuel pump assembly which installed on the fuel tank. Refer
to chapter 6C.
b. Blow in air by through the vaporize soft tube , air should waltz through
the valve.
c. At the same time, when the vacuum pump connect with vaporize soft tube
and loading gradually ,air should through the soft tube” A”.
Special purpose tools
(A)
：
09917—47910
d. If carry out the step b or c, when the air can’t through the valve , then
should change the fuel pump assembly.
Warning:
Don’t suck in the air through the vaporize tube, cause the fuel inside the
valve is harmful.
e. Install the fuel pump assembly on the fuel tank.
3) Control valve operating motor
Symptom: disabler
Common source of trouble: foreign body enter into the valve inside, conduce
rust and sealing weak.
Maintenance attention:
1. Make sure the direction of air flow accord with the regulation when installing.
2. When find the black grain(inside the valve) conduce the control valve disabler , needs change the valve, pls
Flow Rate while the pressure Difference is
200mbar and take up 100% air ratio
2.7 3.0 3.3
m
3
/h
