26
Troubleshooting and solutions
Throttle wrench is not in the
correct position
Move the throttle choke to the correct position
There is no fuel in the fuel tank
Add the same amount of gasoline according to the fuel volume
provided in the parameter table of this manual (page 11).
Air filter components are dirty
Clean air purifier components
Screw the spark plug to 25-30Nm
The spark plug wire is loose or
disconnected from the plug
Install spark plug wire on spark plug
Spark plug gap is incorrect
Set the gap between the electrodes to 0.7 to 0.8 mm
Carburetor flooded with fuel
Remove the air filter element and pull the starter rope continuously until
the carburetor cleans itself and installs the air filter element.
Contact service agent repair
Switch rocker arm is not closed
Close the switch rocker arm as shown in Fig15-1, 2 on page 12.
The throttle handle is not pulled
to the starting position
Move the throttle handle to the starting position, as shown in Figure
15-1, 2 on page 12.
The engine is
difficult to start or
lose power
There are impurities in the fuel
Reclean the tank and use new fuel
The fuel filter is blocked by
impurities
The air intake hole on the fuel
tank cap is blocked
Clean or replace the fuel tank cap
Air filter components are dirty
Clean air purifier components
Spark plug gap is incorrect
Set the gap between the electrodes to 0.7 to 0.8 mm
Check for carburetor or strainer for impurities
Air filter components are dirty
Clean air purifier components
The engine idling is
very poor.
Air filter components are dirty
Clean air purifier components
Air slots in the engine shroud
are blocked
Clear debris from the slot
The fins and air passages under
the engine blower housing are
blocked.
Remove debris from the heat sink and air passage
The engine has no
high speed.
The gap between the spark
plug electrodes is too close
Set the gap between the electrodes to 0.7 to 0.8 mm
Cooling airflow is limited
Check the fan for damage or blockage by debris, clear any debris in the
slots in the air passage
Abnormal vibration
of the machine
Tighten the impeller bolts
Impeller is out of balance
Balance or replace the new impeller
Abnormal noise
occurs when the
machine starts up
There is debris in the suction
port
Remove debris from the suction vent
Foreign matter is attached to
the connecting shaft below the
impeller
Clear foreign objects on the connecting shaft
The impeller is wrapped by
foreign matter
Remove foreign matter from the impeller
Tighten the impeller bolts
Impeller is out of balance
Balance the impeller or replace the new impeller
The flameout line has fallen off
Reinsert the flameout line
Flameout switch contact is
damaged
Contact service agent repair
Contact service agent repair
The suction port is blocked by
debris
Remove debris from the suction vent
Collecting bag vent hole is
blocked by dust
Cleanup collection bag or open vent window zipper
Clean up the garbage in the collection bag
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