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Инструкция по эксплуатации Страница: 7

Ryobi rcs3840t [7/350] English

5 English |

WARNING

Failure to switch from normal mode to anti-freeze mode

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the engine or lead to engine failure.

Always remember to return the product to the normal

operating mode when there is no risk of ice forming

inside the carburettor. Failure to switch from anti-freeze

mode to normal mode at normal temperatures may

result in engine failure.

STOPPING THE ENGINE

Release the throttle trigger and let the engine return to idle.

To stop the engine, move the ignition switch to the stop

(0) position. Do not put the product on the ground when

the chain is still moving. For additional safety, set the chain

brake when the product is not in use.

In the event that the ignition switch will not stop the product,

pull the choke lever out to the fully extended position (Full

Choke) and engage the chain brake to stop the engine.

If the ignition switch will not stop the product when set to

the stop position, have the ignition switch repaired before

using the product again to prevent unsafe conditions or

serious injury.

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relieve tank pressure by loosening, then retightening, the

chain lubricant and fuel caps. Allow the engine to cool down

before storing.

HOLDING THE PRODUCT

See page 273.

Always hold the product with your right hand at the rear

handle and your left hand at the front handle. Grip both

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Ensure that your left hand is holding the front handle so that

your thumb is underneath.

CHECKING AND OPERATING CHAIN BRAKE

1. Engage the chain brake by rotating your left hand

around the front handle. Allow the back of your hand to

push the chain brake lever/hand guard toward the bar

while the chain is rotating rapidly. Be sure to maintain

both hands on the handles of the product at all times.

2. Reset the chain brake back into the Run position by

grasping the top of the chain brake lever/hand guard

and pulling toward the front handle until you hear a

click.

WARNING

If the chain brake does not stop the chain immediately,

or if the chain brake will not stay in the run position

without assistance, take the product to an authorised

service centre for repair prior to use.

WARNING

When the throttle trigger is released and the engine is

running at idle speed, the saw chain must not move. If

it does continue to move there is risk of severe injury

to the operator. Do not use the product, return it to an

authorised service centre for professional adjustment.

CHECKING THE CLUTCH

1. Disengage the chain brake by pulling the chain brake

lever/hand guard towards the front handle until a click

is heard.

2. Allow the engine to run idle. Ensure that the saw chain

is not rotating. If the saw chain rotates while running at

idle speed, the clutch may be damaged. Do not use the

product. Return it to an authorised service centre for

professional adjustment.

3. Depress the throttle trigger half-way and run the product

at mid speed. The saw chain should rotate smoothly if

the clutch is in good working condition.

Causes and operator prevention of kickback:

Kickback may occur when the nose or tip of the guide bar

touches an object, or when the wood closes in and pinches

the saw chain in the cut.

Tip contact in some cases may cause a sudden reverse

reaction, kicking the guide bar up and back towards the

operator.

Pinching the saw chain along the top of the guide bar may

push the guide bar rapidly back towards the operator.

Either of these reactions may cause you to lose control of

the saw which could result in serious personal injury. Do

not rely exclusively upon the safety devices built into your

saw. As a chainsaw user, you should take several steps to

keep your cutting jobs free from accident or injury.

Kickback is the result of tool misuse and/or incorrect

operating procedures or conditions and can be avoided by

taking proper precautions as given below:

Ŷ Maintain a firm grip, with thumbs and fingers

encircling the chainsaw handles, with both hands

on the saw and position your body and arm to allow

you to resist kickback forces. Kickback forces can

be controlled by the operator, if proper precautions are

taken. Do not let go of the chainsaw.

Ŷ Do not overreach and do not cut above shoulder

height. This helps prevent unintended tip contact and

enables better control of the chainsaw in unexpected

situations.

Ŷ Only use replacement bars and chains specified

by the manufacturer. Incorrect replacement bars and

chains may cause chain breakage and/or kickback.

Ŷ Follow the manufacturer’s maintenance

instructions for the saw chain. Decreasing the depth

gauge height can lead to increased kickback.

PUSH AND PULL

See page 279.

The reaction force is always opposite to the direction the

chain is moving. Thus, the operator must be ready to

control the tendency for the product to pull away (forward

Ryobi rcs3840t [7/350] English

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