KAYO MOTOR AU200, Maintenance Manual

Page: 70 / 138

5
发动机
5- 14
5.4.4 Float, float needle, nozzle
Remove the connecting screw and float
cover of the float chamber cover.
Then pull the float arm pin out.
Remove the float and float needle .
Check the contact surface of the float needle
for wear and damage. Replace the new float
needle when necessary.
Remove the main orifice, foam tube nozzle,
idler orifice and plunger locking screw.
Remove the positioning screw.
Note: Before remove the screw, first
determine the mounting position of the
screw. Remember the times of turning when
removing;
otherwise, it will cause
unnecessary trouble when installing the
positioning screw.
Then clean all the channels and surfaces of
the carburetor with a cleaning solution. After
cleaning, all the channels are blown with
compressed air. Remove dirt, etc.
Then, install the idler orifice, foam tube
nozzle, main orifice and plunger locking
screw in the order of disassembly; reinstall
the positioning screw and screw it to the
mounting position before disassembly.
Set the opening position of the screw and
screw it back in the 7/4 turnn
Valve plunger
Plunger Spring
Plunge
r
Needle
Clip
Float arm pin