Bedienungsanleitung Defort DPC-2220 (Seite 13 von 72) (Deutsch, Englisch, Französisch)

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Bar

The smaller the tip radius the lower the chance of kick-

back.

Chain

A chain is made up of a number of links, which are

available in standard and low-kickback versions.

IMPORTANT! No saw chain design elimi-

nates the danger of kickback.

WARNING! Any contact with a rotating saw

chain can cause extremely serious injuries.

SHARPENING YOUR CHAIN AND ADJUST-

ING DEPTH GAUGE SETTING

WARNING! Always wear gloves, when work-

ing with the chain, in order to protect your

hands from injury.

General information on sharpening cutting teeth

• Never use a blunt chain. When the chain is blunt

you have to exert more pressure to force the bar

through the wood and the chips will be very small. If

the chain is very blunt it will produce wood powder

and no chips or shavings.

• A sharp chain eats its way through the wood and

produces long, thick chips or shavings.

• The cutting part of the chain is called the cutter and

consists of a cutting tooth and the depth gauge.

The cutters cutting depth is determined by the dif-

ference in height between the two (depth gauge set-

ting).

When you sharpen a cutting tooth there are four impor-

tant factors to remember.

1 Filing angle

2 Cutting angle

3 File position

4 Round ﬁ le diameter

It is very difﬁ cult to sharpen a chain correctly without the

right equipment. We recommend that you use our ﬁ le

gauge. This will help you obtain the maximum kickback

reduction and cutting performance from your chain.

WARNING! Departure from the sharpening

instructions considerably increases the risk

of kickback.

• Check that the chain is correctly tensioned. A slack

chain will move sideways, making it more difﬁ cult to

sharpen correctly.

• Always ﬁ le cutting teeth from the inside face. Re-

duce the pressure on the return stroke. File all the

teeth on one side ﬁ rst, then turn the chain saw over

and ﬁ le the teeth on the other side.

• File all the teeth to the same length. When the length

of the cutting teeth is reduced to 4 mm (0.16") the

chain is worn out and should be replaced.

WARNING! The risk of kickback is increased

if the depth gauge setting is too large!

WARNING! Overexposure to vibration can

lead to circulatory damage or nerve damage

in people who have impaired circulation.

Contact your doctor if you experience symptoms of

overexposure to vibration. Such symptoms include

numbness, loss of feeling, tingling, pricking, pain, loss

of strength, changes in skin colour or condition. These

symptoms normally appear in the ﬁ ngers, hands or

wrists. These symptoms may be increased in cold tem-

peratures.

Stop switch

Use the stop switch to switch off the engine.

Mufﬂ er

The mufﬂ er is designed to reduce noise levels and to

direct exhaust fumes away from the user.

WARNING! The exhaust fumes from the en-

gine are hot and may contain sparks which

can start a ﬁ re. Never start the machine in-

doors or near combustible material!

CAUTION! The mufﬂ er gets very hot during

and after use. This also applies during idling.

Be aware of the ﬁ re hazard, especially when

working near ﬂ ammable substances and/or vapours.

WARNING! Never use a saw without a muf-

ﬂ er, or with a damaged mufﬂ er. A damaged

mufﬂ er may substantially increase the noise

level and the ﬁ re hazard. Keep ﬁ re ﬁ ghting equipment

handy. If a spark arrestor screen is required in your ar-

ea, never use the saw without or with a broken spark

arrestor screen.

CUTTING EQUIPMENT GENERAL RULES

• Only use cutting equipment recommended by us!

• Keep the chain’s cutting teeth properly sharpened!

• Maintain the correct depth gauge setting! Follow our

instructions and use the recommended depth gauge

clearance. Too large a clearance increases the risk

of kickback.

• Keep the chain properly tensioned! If the chain is

slack it is more likely to jump off and lead to in-

creased wear on the bar, chain and drive sprocket.

• Keep cutting equipment well lubricated and properly

maintained! A poorly lubricated chain is more likely

to break and lead to increased wear on the bar,

chain and drive sprocket.

CUTTING EQUIPMENT DESIGNED

TO REDUCE KICKBACK

The only way to avoid kickback is to make sure that the

kickback zone of the bar never touches anything.

By using cutting equipment with ”built-in” kickback

reduction and keeping the chain sharp and wellmain-

tained you can reduce the effects of kickback.

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Defort DPC-2220 Seite 13

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