Ryobi PCN3840-RY74005D Manuel d'utilisateur télécharger pdf (Page 10)

NOTE: Do not use dirty, used or otherwise contaminated oils.

Damage may occur to the oil pump, bar, or chain.

1. Carefully pour the bar and chain oil into the tank.

2. Fill the oil tank every time you fuel the engine.

STARTING THE ENGINE

See Figure 8.

WARNING:

Keep your body to the left of the chain line. Never straddle

the saw or chain, or lean over past the chain line.

1. Place the chainsaw on level ground and ensure that no

objects or obstructions which could come in contact with the

bar and chain are in the immediate vicinity.

2. Hold the front handle firmly with the left hand and put your

right foot onto the base of the rear handle.

STARTING A COLD ENGINE:

See Figure 3 and 8 through 14.

3. Move the chain brake to the BRAKE position (B).

See Figure 3.

NOTE: Set the chain brake by pushing the chain brake

lever/hand guard forward (towards the bar), to the brake

position. Refer to “Operation – Operating the Chain Brake”

later in this manual for additional information.

4. Set the ignition switch to the RUN (I) position (A).

5. Fully press and release the PRIMER BULB (C) 7 times.

6. Pull CHOKE (D) lever all the way OUT to full position (E).

The partial throttle position is automatically set when the

choke lever is set at full choke.

7. Pull STARTER (F) until engine attempts to start.

Slowly pull the starter grip out for a short distance until you

feel the starter engage, then briskly pull straight up. Do not

pull to the end of the rope; this may damage the starter. Hold

onto the grip during rewinding.

Pull the starter rope until the first firing of the engine is heard

(no more than five pulls).

NOTE: A new unit may require additional pulls.

8. Push CHOKE lever (D) all the way IN (G).

9. Pull STARTER until engine runs.

NOTE: Allow the saw to run in this position 15-30 seconds

depending upon the temperature.

10. SQUEEZE and release the throttle trigger (H).

Depress the throttle trigger which releases the trigger lock

button. Squeeze and release the throttle trigger to let the

engine idle.

11. Move chain brake to RUN position.

Place chain brake lever/hand guard into the RUN position.

Refer to “Operation – Operating Chain Brake” for additional

information.

CAUTION:

Failure to release partial throttle when chain brake lever is

in the brake position will result in serious damage to the

unit. Never squeeze and hold the throttle trigger while the

chain brake is in the brake position.

CAUTION:

Failure to release partial throttle when chain brake lever

is in the brake position will result in serious damage to

the unit. Never squeeze and hold the throttle trigger while

the chain brake is in the brake position.

Now you are ready to pick up the saw. Use the proper grip for

both handles. Refer to “Operation – Proper Grip on Handles”

later in this manual for additional information.

STARTING A WARM ENGINE:

Follow the instructions for starting a cold engine (steps 1-9),

but do not attempt to start in the full choke position (skip

step 5). Push and release primer bulb 7 times. Pull the choke

out and push back it in to the original run position.

STOPPING THE ENGINE

See Figures 15.

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

To stop the engine, move the ignition switch to the “O” stop

position (J). Do not put the chainsaw on the ground when the

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

when the saw is not in use.

In the event that the ignition switch will not stop the saw, pull

the choke lever out to the fully extended position (Full Choke)

and engage chain brake to stop the engine.

If the ignition switch will not stop the saw when set to the “O”

stop position, have the ignition switch repaired before using

the chainsaw again to prevent unsafe conditions or serious injury.

Important: When you have finished using the saw, relieve tank

pressures by loosening the CHAIN OIL and FUEL MIX caps.

Then retighten the caps. Allow the engine to cool before storing.

PREPARING FOR CUTTING

PROPER CLOTHING FOR SAFETY

See Figure 16.

■■

■ Wear loose-fitting clothing (A). Always wear heavy, long

trousers (B), boots (C), and gloves (D). Do not wear

jewellery, shorts, sandals, or go barefoot. Do not wear

loose-fitting clothing, which could be drawn into the engine

or catch the chain or undergrowth. Wear overalls, jeans, or

leggings made of cut-resistant material or ones that contain

cut-resistant inserts. Secure hair so that it is above shoulder

level.

■■

■ Wear non-slip safety footwear and heavy-duty gloves to

improve your grip and to protect your hands.

■■

■ Wear eye (E), hearing (F), and head (G) protection when

operating this equipment.

PROPER GRIP ON HANDLES

See Figures 17 and 18.

Refer to “Specific Safety Rules – Proper Clothing for Safety”

earlier in this manual for appropriate safety

equipment.

■■

■ Wear non-slip gloves for maximum grip and protection.

OPERATION

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Ryobi PCN3840-RY74005D Manuel d'utilisateur Page 10

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