Ryobi RY30931 Manuel d'utilisateur télécharger pdf (Page 19)

 Inspect and clear the area of any hidden objects such as

glass, rocks, concrete, fencing, wire, wood, metal, etc.

 Never use blades near sidewalks, fencing, posts, build-

ings or other immovable objects.

 Never use a blade after hitting a hard object without first

inspecting it for damage. Do not use if any damage is

detected.

 The unit is used as a scythe, cutting from the right to the

left in a broad sweeping action from side to side.

 Use only the Tri-Arc

blade. To install any other brand

blade or cutting head to this brushcutter can result in

serious personal injury.

OPERATING THE BRUSHCUTTER

See Figures 19 - 20.

Hold the brushcutter with your right hand on the rear handle

and the your hand on the “J” handle. Keep a firm grip with

both hands while in operation. Brushcutter should be held at

a comfortable position with the rear handle about hip height.

Maintain your grip and balance on both feet. Position yourself

so that you will not be drawn off balance by the kickback

reaction of the cutting blade.

Adjust the shoulder harness to position the brushcutter

at a comfortable operating position and to assure that the

shoulder harness will reduce the risk of operator contact

with the blade.

BLADE THRUST

Exercise extreme caution when using the blade with this

unit. Blade thrust is the reaction that may occur when the

spinning blade contacts anything it cannot cut. This contact

may cause the blade to stop for an instant, and suddenly

“thrust” the unit away from the object that was hit. This re-

action can be violent enough to cause the operator to lose

control of the unit. Blade thrust can occur without warning

if the blade snags, stalls, or binds. This is more likely to oc-

cur in areas where it is difficult to see the material being cut.

For cutting ease and safety, approach the weeds being cut

with the brushcutter from the right to the left. In the event

an unexpected object or woody stock is encountered, this

practice could minimize the blade thrust reaction.

WARNING:

To avoid burns from hot surfaces, never operate unit with

the bottom of the engine above waist level.

TRI-ARC

BLADE

The Tri-Arc

blade is suited only for thicker weeds and pulpy

stalks. When the blade becomes dull, it can be turned over

to extend the life of the blade. Do not sharpen the Tri-Arc

blade.

CUTTING TECHNIqUE - BLADE

WARNING:

Extreme care must be taken when using blades to en-

sure safe operation. Read the safety information for safe

operation using the blade, refer to Specific Safety Rules

for Brushcutter and Blade Use earlier in this manual.

 Always hold brushcutter on your right side with both hands

when operating. Use a firm grip on both handles.

 Maintain your grip and balance on both feet. Position

yourself so that you will not be drawn off balance by the

kickback reaction of the cutting blade.

OPERATION

Fig. 19

DIRECTION OF ROTATION

CUTTING AREA

Fig. 20

PROPER

OPERATING

POSITION

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 29 30

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Ryobi RY30931 Manuel d'utilisateur Page 19

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