13
MAINTENANCE AND REPAIR INSTRUCTIONS
CARBURETOR ADJUSTMENT
The carburetor was pre-set at the factory for optimum
performance. If further adjustments are necessary,
please take your unit to the nearest authorized service
center.
SPARK PLUG
Set the spark plug gap to 0.025" (0.635 mm) (Fig. 24).
Torque to 105 to 130 inch pounds (12 to 15 N•m).
Connect the spark plug boot.
Fig. 24
0.025” (0.635 mm)
Fig. 25
Muffler
Shield
Spark Arrestor
Location
Fig. 26
Screen
Cover
Retaining
Screw
Spark
Arrestor
Screen
SPARK ARRESTER SCREEN
NOTE: It is not necessary to take the muffler shield off
to replace or install a new spark arrester screen
(Fig. 25).
To replace the spark arrester screen, remove the single
retaining screw and screen cover. Discard old screen.
Install new screen (Fig. 26).
IDLE SPEED ADJUSTMENT
1. Locate the idle adjustment screw on the carburetor
(Fig. 28).
2. Using a screwdriver, turn the screw 1/4 to 1/2 of a
turn clockwise (to the right). The unit should then idle
properly.
Fig. 27
Debris
Shield
Line Cutting
Blade
SHARPENING THE LINE CUTTING BLADE
1. Remove the line cutting blade from the debris shield
(Fig. 27).
2. Place the blade in a bench vise. Sharpen the blade
using a flat file, being careful to maintain the angle of
cutting edge. File in one direction only.
Fig. 28
Idle Adjustment
Screw
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