5) Remove two drain plugs and then primary
and secondary main jets in float chamber
through plug’s holes, using a negative screw
driver.
1.
Drain plug
Fig.
4-
l-24 Drain plugs
6) Remove throttle chamber from float chamber
after removing four screws shown in below
figure.
1. Throttle chamber
2. Screw
Fig.
4-
l-25 Throttle chamber
Cleaning
1)
Wash below listed items in carburetor cleaner
and then clean them by blowing compressed
air.
l All removable air jets and fuel jets, except
mixture control solenoid valve jet.
l
Needle valve, valve seat and filter.
2) Blow compressed air into all passages to
clean.
3) Clean bottom of float chamber.
NOTE:
1) Don’t immerse following parts in carburetor
cleaner.
l
Micro switches (wide open switch and idle
switch)
l
Switch vent solenoid
l
Fuel cut solenoid valve
l
Mixture control solenoid valve
l
Secondary diaphragm, choke piston and
idle-up actuator
l
Parts made of rubber or resin and gasket
l
Thermo-wax
(therm0
element)
2) Don’t put drills or wires into fuel passages
and metering jets for cleaning. It causes
damages in passages and jets.
3) If cleaning solvent contacts rubber or resin
parts, be sure
to
blow off cleaning solvent by
compressed air immediately.
Inspection
1)
Check choke va’lve and throttle valves for
smooth operation.
2) Check rubber cup of pump piston and seal of
mixture control solenoid valve for deteriora-
tion and damage. Refer to below figure.
3)
Check needle valve and valve seat for wear.
1.
Mixture control solenoid valve
2. seal
3. Spring
4. Rubber cup
Fig.
4-
l-26 Accelerator pump piston and mixture
control solenoid valve
4-15