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Operating The Trimmer; Cutting Tips - Ryobi P20104 Manuel D'utilisation

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This trimmer is currently set at the 13 in. cutting swath. To
adjust to a cutting swath of 15 in.:
 Stop the engine or motor.
 Remove the blade screws then rotate the line cut-off
blade 180°.
 Reinstall the blade screws and tighten securely.

OPERATING THE TRIMMER

See Figure 6.
WARNING:
Engine housing on gas power heads may become hot
during trimmer operation. Do not rest or place your arm,
hand, or any body part against the engine housing dur-
ing trimmer operation. Only hold the trimmer as shown
in figure 6, with all body parts clear of engine housing.
Extended contact with the engine housing can result in
burns or other injuries.
WARNING:
Always position the unit on the operator's right side. The
use of the unit on the operator's left side will expose the
user to hot surfaces and can result in possible burn injury.
WARNING:
To avoid burns from hot surfaces, never operate unit with
the bottom of the engine above waist level.
Hold the trimmer with your right hand on the rear handle
and your left hand on the front handle. Keep a firm grip with
both hands while in operation. Trimmer should be held at a
comfortable position with the rear handle about hip height.
Always operate trimmer at full throttle for gas power heads
or with the switch trigger fully pressed for cordless and
electric power heads. Cut tall grass from the top down. This
will prevent grass from wrapping around the shaft housing
and string head which may cause damage from overheating.
If grass becomes wrapped around the string head, STOP
THE ENGINE or MOTOR, disconnect the spark plug wire
for gas power heads, remove the battery pack for cordless
power heads, or disconnect the plug from the power source
for electric power heads, and remove the grass. Prolonged
cutting at partial throttle will result in lubricant dripping from
the muffler.
WARNING:
Always hold the string trimmer away from the body keep-
ing clearance between the body and the product. Any
contact with the housing or string trimmer cutting head
can result in burns and/or other serious personal injury.
OPERATION

CUTTING TIPS

See Figure 6-7.
 Avoid hot surfaces by always keeping the tool away from
your body. (Proper operating positions shown in figure 6.)
 Keep the trimmer tilted toward the area being cut; this is
the best cutting area.
 The trimmer cuts when passing the unit from left to right.
This will avoid throwing debris at the operator. Avoid cut-
ting in the dangerous area shown in figure 7.
 Use the tip of line to do the cutting; do not force string
head into uncut grass.
 Wire and picket fences cause extra line wear and break-
age. Stone and brick walls, curbs, and wood may wear
line rapidly.
 Avoid trees and shrubs. Tree bark, wood moldings, siding,
and fence posts can easily be damaged by the line.
 Do not attempt to touch or stop moving accessory. Coast-
ing line can cause injury.
ADVANCING THE CUTTING LINE
Line advance is controlled by tapping the string head on
grass while running motor at full speed.
 Run engine at full throttle for gas power heads or with
the switch trigger fully pressed for cordless and electric
power heads.
 Tap the bump knob on ground to advance line. The line
advances each time the knob is tapped. Do not hold the
knob on the ground.
NOTE: The line trimming cut-off blade on the grass
deflector will cut the line to the correct length.
NOTE: If the line is worn too short you may not be able to
advance the line by tapping it on the ground. If so, STOP
THE ENGINE or MOTOR, disconnect the spark plug wire
for gas power heads, remove the battery pack for cordless
power heads, or disconnect the plug from the power source
for electric power heads, and manually advance the line.
To advance the cutting line manually:
 Stop the engine or motor, disconnect the spark plug
wire for gas power heads, remove the battery pack for
cordless power heads, or disconnect the plug from the
power source for electric power heads.
 Push the bump knob in while pulling on line(s) to manually
advance the line.
6 — English

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