13
English
Carburetor adjustment (Fig. 21)
T
Fig. 21
WARNING
●
The cutting attachment may be spinning
during carburetor adjustments.
●
Never start the engine without the complete
clutch cover and tube assembled! Otherwise
the clutch can come loose and cause
personal injuries.
In the carburetor, fuel is mixed with air. When the
engine is test run at the factory, the carburetor is
basically adjusted. A further adjustment may be
required, according to climate and altitude. The
carburetor has one adjustment possibility:
T = Idle speed adjustment screw.
Idle speed adjustment (T)
Check that the air
fi
lter is clean. Be sure the cutting
attachment stop turning when the engine idle. When
the idle speed is correct, the cutting attachment
will not rotate. If adjustment is required, close
(clockwise) the T-screw, with the engine running,
until the cutting attachment starts to rotate. Open
(counter-clockwise) the screw until the cutting
attachment stops. You have reached the correct
idle speed when the engine runs smoothly in all
positions well below the rpm when the cutting
attachment starts to rotate.
If the cutting attachment still rotates after idle speed
adjustment, contact your Tanaka dealer.
NOTE
Standard Idle rpm is 2,800 – 3,200 min
-1
.
WARNING
When the engine is idling the cutting
attachment must under no circumstances
rotate.
Air
fi
lter (Fig. 22)
The air
fi
lter must be cleaned from dust and dirt in
order to avoid:
○
Carburetor malfunctions
○
Starting problems
○
Engine power reduction
○
Unnecessary wear on the engine parts
○
Abnormal fuel consumption
Clean the air
fi
lter daily or more often if working in
exceptionally dusty areas.
21
Fig. 22
Cleaning the air
fi
lter
Open the air
fi
lter cover and the
fi
lter (21). Rinse it in
warm soap suds. Check that the
fi
lter is dry before
reassembly. An air
fi
lter that has been used for some
time cannot be cleaned completely. Therefore,
it must regularly be replaced with a new one. A
damaged
fi
lter must always be replaced.
Fuel
fi
lter (Fig. 23)
Drain all fuel from fuel tank and pull fuel
fi
lter line
from tank. Pull
fi
lter element out of holder assembly
and rinse element in warm water with detergent.
Rinse thoroughly until all traces of detergent are
eliminated. Squeeze, do not wring, away excess
water and allow element to air dry.
NOTE
If element is hard due to excessive dirt buildup,
replace it.
Fig. 23
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2014/03/26 15:11:36
2014/03/26 15:11:36
