McCulloch Cabrio 433B Instruction Manual download pdf (Page 18)

18

BLADE REPLACEMENT

Refer to the ASSEMBLY section for blade re-

placement instructions and illustrations.

CARBURETOR ADJ UST MEN T

WARNING: Keep others away when

making idle speed adjustments. The trimmer

head will be spinning during most of this pro-

cedure. Wear your protective equipment and

observe all safety precautions. After making

adjustments, the trimmer head must not

move/spin at idle speed.

The carburetor has been carefully set at the

factory. Adjustments may be necessary if you

notice any of the following conditions:

S Engine will not idle when the throttle is re-

leased.

S The trimmer head moves/spins at idle speed.

Make adjustments with the unit supported so

the cutting attachment is off the ground and

will not make contact with any object. Hold

the unit by hand while running and making ad-

justments. Keep all parts of your body away

from the cutting attachment and m uffler .

Idle Speed Adjustment

Allow engine to idle. Adjust speed until engine

runs without trimmer head moving or spinning

(idle speed too fast) or engine stalling (idle

speed too slow).

S Turn idle speed screw clockwise to in-

crease engine speed if engine stalls or dies.

S Turn idle speed screw counterclockwise to

decrease engine speed if trimmer head

moves or spins at idle speed.

WARNING: Recheck the idle speed

after each adjustment. The trimmer head

must not move or spin at idle speed to avoid

serious injury to the operator or others.

Air filter

cover

Idle speed screw

If you require further assistance or are unsure

about performing this procedure, contact an

authorized service dealer.

STORAGE

WARNING: Perform the following

steps after each use:

S Allow engine to cool before storing or trans-

porting.

S Store unit and fuel in a well ventilated area

where fuel vapors cannot reach sparks or

open flames from water heaters, electric

motors or switches, furnaces, etc.

S Empty fuel tank before storing or transport-

ing the unit.

S Store unit and fuel well out of the reach of

children.

S Store unit with all guards in place. Position

unit so that any sharp object cannot acci-

dentally cause injury.

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