Operation – Ryobi RY52907 User Manual

Page 13

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9 — English

OPERATION

WARNING:

Do not allow familiarity with this product to make you
careless. Remember that a careless fraction of a second is
sufficient to inflict serious injury.

WARNING:

Always wear safety goggles or safety glasses with
side shields, a hard hat, and safety shoes when op-
erating power tools. Failure to do so could result
in objects being thrown into your eyes, resulting in
possible serious injury.

WARNING:

Do not use any attachments or accessories not recom-
mended by the manufacturer of this product. The use of
attachments or accessories not recommended can result
in serious personal injury.

WARNING:

To avoid kickback, binding of the saw bar, and possible
injury, never cut limbs that the pruner does not reach
when supported by the shoulder strap.

APPLICATIONS

You may use this product for the purposes listed below:

Limbing

Pruning

PREPARATION FOR CUTTING

Wear non-slip gloves for maximum grip and protection.

 Maintain a proper grip on the unit whenever the engine is

running. Use your right hand to firmly grip the rear handle

while your left hand has a firm grip on the front handle.

 Hold unit firmly with both hands. Always keep your left

hand on the front handle and your right hand on the rear

handle, so your body is to the left of the chain line. Never

use a left-handed (cross-handed) grip, or any stance that

places your body or arm across the chain line.

 Never stand directly under the limb you are cutting.
 Always wear shoulder strap for increased safety and to

support the pruner.

Be certain the knob is fully tightened and button is locked

into place in positioning hole before operating equipment.

Check it periodically for tightness during use to avoid
serious injury.

BASIC CUTTING PROCEDURE

See Figures 5 - 6.
Follow the steps below to prevent damage to tree or shrub
bark. Do not use a back-and-forth sawing motion.

Accelerate the engine to full throttle just before entering

the cut by squeezing the throttle trigger. Keep the engine
at full throttle the entire time you are cutting.

Make a shallow first cut (1/4 of limb diameter) on the

underside of the limb close to the main limb or trunk.

Make a second cut from the top side of the limb outboard

from the first cut.

Make a final cut close to trunk.

NOTE: For second and final cuts (from top of limb or branch),
hold front cutting guide against the limb being cut. This will
help steady the limb and make it easier to cut. Allow chain to
cut for you; exert only light downward pressure. If you force
the cut, damage to the bar, chain, or engine can result.

Release the trigger as soon as the cut is completed,

allowing the engine to idle. If you run the pruner at full
throttle without a cutting load, unnecessary wear or
damage can occur to the chain, bar, and engine.

Failure to follow proper cutting procedures will result in the
bar and chain binding and becoming pinched or trapped in
the limb. If this should happen:

Stop the engine.

Loosen the knob on the coupler.

Depress the button on the shaft; twist and pull the shafts

to separate the pruner from the power head.

If the limb can be reached from the ground, lift the limb

while holding the attachment. This should release the
“pinch” and free the pruner.

If the pruner is still trapped, call a professional for

assistance.

LIMBING AND PRUNING

See Figures 7 - 8.
This unit is designed for trimming small branches and limbs
up to 6 in. in diameter. For best results, observe the follow-
ing precautions.

Plan the cut carefully. Be aware of the direction in which

the branch will fall.

Branches may fall in unexpected directions. Do not stand

directly under the branch being cut.

The most typical cutting application is to position the

unit at an angle of 60° or less, depending on the specific
situation, as shown. As the angle of the pruner shaft to
ground increases, the difficulty of making the first cut
(from the underside of limb) increases.

 Remove long branches in several stages.
 Cut lower branches first to allow the top branches more

room to fall.

Work slowly, keeping both hands on the saw with a firm

grip. Maintain secure footing and balance.

Keep the tree between you and the chain while limbing.

Cut from side of tree opposite branch you are cutting.

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