FUEL FILTER
AIR FILTER
1. Empty the fuel tank.
fuel tank.
Disassemble the filter cover, and pull the filter
from the air filter housing
2. Check the filter for deterioration,replace it if
necessary
3. Wash the filter with kerosene,put it in the engine
oil and squeeze it by one hand.
4. Replace it in the case,and assemble the air cleaner
cover.
Fuel Filter
MAINTENANCE AND REPAIR
MAINTENANCE AND REPAIR
CARBURETOR
Filter Cover
Filter
2. Adjusting the idle-speed screw clockwise
will increase the idling speed and adjusting
it counterclockwise will decrease the idling
speed. You should use a tachometer to
measure the speed while adjusting. Make
sure the idling speed within the
recommended range 2700~3300 rpm.
3. Every unit had been run and tested at the
factory to ensure that the carburetor works
at its best condition. But after a period of
use, if trimmer head or cutting blade
continues to rotate at idling or the engine
stops when you fully release the throttle
trigger, make adjustment to idle-speed screw.
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