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Most effective cutting area
Operation of Throttle Lever
With the throttle lever main unit held by hand (with the lock-off lever pushed), pull the throttle lever and the engine rotation will be increased.
Release the throttle lever, and the engine will run idle again.
Release the hand from the throttle lever main unit, and the lock-off lever will return automatically so that the throttle lever will not be pulled by
mistake.
Adjustment of Engine ROTATION
When adjusting the engine rotation with the throttle lever opened to the full, turn the throttle control dial. Turn the dial clockwise, and the engine
rotation will be reduced. Turn the dial counterclockwise, and the engine rotation will be increased.
ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)
When it is necessary to adjust the low-speed rotation (idling), perform it by the carburetor adjusting screw.
CHECKUP OF LOW-SPEED ROTATION
– Set the low-speed rotation to 3000min
-1
.
If it is necessary to change the rotation speed, regulate the adjusting screw
(illustrated on the left), with Phillips screwdriver.
– Turn the adjusting screw to the right, and the engine rotation will increase.
Turn the adjusting screw to the left, and the engine rotation will drop.
– The carburetor is generally adjusted before shipment. If it is necessary to
readjust it, please contact Authorized Service Agent.
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CAUTION: The cutting tools mentioned below must only be resharpened by an
authorized facility. Manual resharpening will result in imbalances
of the cutting tool causing vibrations and damage to the equipment.
– cutter blade (star blade (4 teeth), eddy blade (8 teeth))
An expert resharpening and balancing service is provided by Authorized
Service Agents.
፧
NOTE: To increase the service life of the cutter blade (star blade, eddy blade) it
may be turned over once, until both cutting edges have become blunt.
፧
NYLON CUTTING HEAD
The nylon cutting head is a dual string trimmer head capable of both automatic
and bump & feed mechanisms.
The nylon cutting head will automatically feed out the proper length of nylon
cord by the changes in centrifugal force caused by increasing or decreasing
rpms. However, to cut soft grass more efficiently, bump the nylon cutting head
against the ground to feed out extra cord as indicated under operation section.
፧
Operation
– Increase the nylon cutting head speed to approx. 6,000min
-1
.
Low speed (under 4,800min
-1
) is not suitable, the nylon cord will not feed out
properly at low speed.
– The most effective cutting area is shown by the shaded area.
፧
If the nylon cord does not feed out automatically proceed as follows:
1. Release the throttle lever to run the engine idle and then squeeze the throttle
lever fully. Repeat this procedure until the nylon cord feeds out to the
proper length.
2. If the nylon cord is too short to feed out automatically with the above
procedure, bump the knob of the nylon cutting head against the ground to
feed out the nylon cord.
3. If the nylon cord does not feed out with procedure 2, rewind/replace the
nylon cord by following the procedures described under “Replacing the nylon
cord”
RESHARPENING THE CUTTING TOOL
፧
A
djusting screw
፧
Carburetor
፧
Idle speed Full speed
Tap knob
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