Bedienungsanleitung Makita DCS231T (Seite 18 von 104) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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PUTTING INTO OPERATION (Fig. 25)

CAUTION:

Before doing any work on the guide bar or chain, always switch off the engine

and pull the plug cap off the spark plug (see “Replacing the spark plug”).

Always wear protective gloves!

CAUTION:

Do not start the saw until it has been completely assembled and inspected!

Mounting the guide bar and saw chain (Fig. 26)

Use the universal wrench delivered with the chain saw for the following work.

Put the chain saw on a stable surface and carry out the following steps for mounting

the guide bar and chain:

Disengage the chain brake by pulling the hand guard (1) in the direction of the arrow.

Unscrew retaining nut (2).

Carefully spread the sprocket cover (3), pull it from its fixture (4) and remove it.

Turn the chain adjusting screw (5) to the left (counterclockwise) until the pin (6) is at

the right stop. (Fig. 27 & 28)

Position the guide bar (7). (Fig. 29)

Lift the chain (9) over the sprocket (10). Using your right hand, guide the chain into

the top guide groove (11) on the guide bar. (Fig. 30)

Note that the cutting edges along the top of the chain must point in the direc-

tion of the arrow!

Pull the chain (9) around the nose (12) of the guide bar in the direction of the arrow.

Pull the guide bar by hand fully toward its nose. Make sure that the chain blade fits

the grooves of the guide bar. (Fig. 31)

First, push the sprocket cover (3) into its fixture (4). Make sure that the pin (8) of the

chain tightener is in the hole on the guide bar. Then push it over the retaining bolt

while lifting the saw chain (9) over the chain catch (13).

Manually tighten the retaining nut (2). (Fig. 32)

Tightening the saw chain

Turn the chain adjusting screw (5) to the right (clockwise) until the chain engages the

guide groove of the bottom side of the bar (see circle).

Slightly lift the end of the guide bar and turn the chain adjusting screw (5) to the right

(clockwise) until the chain rests against the bottom side of the guide bar.

While still holding up the tip of the guide bar, tighten the retaining nuts (2) with the uni-

versal wrench. (Fig. 33)

Checking the chain tension (Fig. 34)

The tension of the chain is correct if the chain rests against the bottom side of the

guide bar and can still be easily turned by hand.

While doing so the chain brake must be released.

Check the chain tension frequently - new chains tend to get longer during use!

When checking the chain tension the engine must be switched off.

NOTE:

It is recommended to use 2 – 3 chains alternatively.

In order to guarantee uniform wear of the guide bar the bar should be turned over

whenever replacing the chain.

Chain brake (Fig. 35)

The DCS230T/DCS231T/DCS232T comes with an inertia chain brake as standard

equipment. If kickback occurs due to contact of the guide-bar tip with wood (see

“SAFETY PRECAUTIONS”), the chain brake will stop the chain through inertia if the

kickback is sufficiently strong.

The chain will stop within a fraction of a second.

The chain brake is installed to block the saw chain before starting it and to stop

it immediately in case of an emergency.

IMPORTANT: NEVER run the saw with the chain brake activated! Doing so can

very quickly cause extensive engine damage!

ALWAYS release the chain brake before starting the work!

NOTE:

The chain brake is a very important safety device and like any other component

subject to normal wear and tear. Regular inspection and maintenance are

important for your own safety and must be done by a MAKITA service centre.

Engaging the chain brake (braking) (Fig. 36)

If the kickback is strong enough the sudden acceleration of the guide bar combined

with the inertia of the hand guard (1) will automatically actuate the chain brake.

To engage the chain brake manually, simply push the hand guard (1) forward

(towards the tip of the saw) with your left hand (arrow 1).

Releasing the chain brake

Pull the hand guard (1) towards you (arrow 2) until you feel it catch. The brake is now

released.

Fuel (Fig. 37)

CAUTION:

This saw is powered by mineral-oil products (gasoline (petrol) and oil).

Be especially careful when handling gasoline (petrol).

Avoid all flame or fire. Do not smoke (explosion hazard).

Fuel mixture

The engine of the chain saw is a high-efficiency two-stroke engine. It runs on a mix-

ture of gasoline and two-stroke engine oil.

The engine is designed for unleaded regular gasoline with a min. octane value of 91

ROZ. In case no such fuel is available, you can use fuel with a higher octane value.

This will not affect the engine.

In order to obtain an optimum engine output and to protect your health and the

environment use unleaded fuel only.

For lubricating the engine use a two-stroke engine oil (quality grade: JASO FC, ISO

EGO), which is added to the fuel.

Caution: Do not use ready-mixed fuel from petrol stations.

The correct mixture ratio:

25:1 i.e. mix 25 parts gasoline with 1 part oil.

NOTE:

For preparing the fuel-oil mixture first mix the entire oil quantity with half of the fuel

required, then add the remaining fuel. Shake the mixture thoroughly before pouring it

into the tank.

It is not wise to add more engine oil than specified to ensure safe operation.

This will only result in a higher production of combustion residues which will

pollute the environment and clog the exhaust channel in the cylinder as well as

the muffler. In addition, fuel consumption will rise and performance will

decrease.

The Storage of Fuel

Fuels have a limited storage life. Fuel and fuel mixtures age. Therefore fuel and fuel

mixtures, which have been stored for too long, can cause starting problems. Pur-

chase only that amount of fuel, which will be consumed over the next few months.

Store fuel safely in a dry place in approved containers only.

AVOID SKIN AND EYE CONTACT

Mineral oil products degrease your skin. If your skin comes in contact with these sub-

stances repeatedly and for an extended period of time, it will desiccate. Various skin

deseases may result. In addition, allergic reactions are known to occur. Eyes can be

irritated by contact with oil. If oil comes into your eyes, immediately wash them with

clear water.

If your eyes are still irritated, see a doctor immediately!

Chain oil

Use an oil with adhesive additive for lubricating the chain and guide

bar. The adhesive additive prevents the oil from being flung off the

chain too quickly.

We recommend the use of chain oil which is bio-degradable in order to

protect the environment. The use of bio-degradable oil may even be

required by local regulations.

The chain oil BIOTOP sold by MAKITA is made of special vegetable oils and is 100%

bio-degradable. BIOTOP has been granted the “blue angel” (Blauer Umweltschutz-

Engel) for being particularly environment-friendly (RAL UZ 48).

BIOTOP chain oil is available in the following sizes:

1 l order number 980 008 210

5 l order number 980 008 211

Bio-degradable oil is stable only for a limited period of time. It should

be used within 2 years from the date of manufacture (printed on the

container).

Important note on bio-degradable chain oils:

If you are not planning to use the saw again for an extended period of time, empty the

oil tank and put in a small amount of regular engine oil (SAE 30), and then run the

saw for a time. This is necessary to flush out all remaining bio-degradable oil from the

oil tank, oil-feed system, chain and guide bar, as many such oils tend to leave sticky

residues over time, which can cause damage to the oil pump or other parts.

The next time you use the saw, fill the tank with BIOTOP chain oil again. In case of

damage caused by using waste oil or inappropriate chain oil the product guarantee

will be null and void.

Your salesman will inform you about the use of chain oil.

NEVER USE WASTE OIL (Fig. 38)

Waste oil is very dangerous for the environment.

Waste oil contains high amounts of carcinogenic substances. Residues in waste oil

result in a high degree of wear and tear at the oil pump and the sawing device.

In case of damage caused by using waste oil or unappropriate chain oil the product

guarantee will be null and void.

Your salesman will inform you about the use of chain oil.

AVOID SKIN AND EYE CONTACT

Mineral oil products degrease your skin. If your skin comes in contact with these sub-

stances repeatedly and for an extended period of time, it will desiccate. Various skin

deseases may result. In addition, allergic reactions are known to occur. Eyes can be

irritated by contact with oil. If oil comes into your eyes, immediately wash them with

clear water.

If your eyes are still irritated, see a doctor immediately!

Refuelling (Fig. 39)

FOLLOW THE SAFETY PRECAUTIONS!

Be careful and cautious when handling fuels.

The engine must be switched off!

Thoroughly clean the area around the caps, to prevent dirt from getting into the fuel or

oil tank.

Unscrew the cap and fill the tank with fuel (fuel/oil mixture) or chain oil as the case

may be. Fill up to the bottom edge of the filler neck. Be careful not to spill fuel or chain

oil!

Tighten the fuel caps far as it will go.

Clean screw cap and tank after refuelling.

Makita DCS231T Seite 18

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