Bedienungsanleitung Scheppach TPX710 (Seite 28 von 104) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch, Polnisch)

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Withdrawal

The withdrawal occurs when the chain on the under-

side of the bar suddenly stuck because it is jammed

or encounters a foreign object in the wood. The chain

then pulls the saw forward. The withdrawal often hap-

pens when the chain is not running at full speed when in

contact with the wood.

Avoid withdrawal

Be aware of the forces and situations that can lead to

jamming of the chain on the underside of

the bar.

Always start with running at full speed chain to cut.

Recoil

The recoil occurs when the chain on top of rail sudden-

ly stuck because it is jammed or encounters a foreign

object in the wood. The chain can jerkily hold the saw

against the operator. Rebounds happen often if the top

rail is used for cutting.

Avoid recoil

Be aware of the forces and situations that can lead to

jamming of the chain on top of rail.

Do not cut more than one branch at a time.

Do not tilt the rail to the side when you pull them out of a

cutting gap, since the chain could get caught otherwise.

9. Maintenance

NJURY WARNING!

Before working on the device, disconnect the mains

cable from the socket.

Always wear protective gloves when working on or

around cutting tools.

• Regularly check the device before starting work.

• Damaged blades have to be repaired or replaced by

an authorised service department before you can work

with the device.

• Clean the blades with a soft brush after working with

the device and spray a thin layer of liquid protective oil

on the whole blade.

• Always keep the ventilation holes in the motor casing

free and clean.

• Never use water to clean or spray the device. Clean

the motor casing with a damp cloth and never use de-

tergents or solvents! This may damage the device‘s

plastic parts. Dry the motor casing carefully afterwards.

• Always store the machine with the supplied protective

cover.

• Only use OEM parts for maintenance work. Using parts

other than original parts can cause damage to the ma-

chine.

Servicing and sharpening of saw chain

The correct sharpened chain

Working e󰀨ectively with the chainsaw is only possible if

the chain is in good condition and

sharp. This also reduces the risk of kickback.

Always observe the condition of the tree.

Look for rot and decay in the roots and branches.

If they are rotten inside, they can break o󰀨 and fall down

unexpectedly during cutting. You could also attend by

fractured and dead branches out, which is solved by the

shake and fall on you. For very thick or heavy branches

you rst make a small incision below the branch before

you work from the top down to avoid chipping.

Basic cutting technique

Heavy branches break o󰀨 easily when sawing. They tear

long strips of bark away from the trunk, which damages

the tree sustainably. The following section technique can

signicantly reduce this risk:

Saw the rst branch about 10 cm from the trunk.

Put in about 15 cm from the base of the top of a further

section.

Saw until the branch breaks. The risk of injury on the

trunk is no.

Finally, remove with a clean cut from the top of the trunk

along the remaining.

Thus, the damage to the tree are kept as low as possi-

ble, we recommend the interface additionally to seal with

grafting wax.

Hazards by reactive forces

Reactive forces occur during operation of the saw chain.

The forces which are applied to the wood are against the

operator. They occur when the moving chain comes into

contact with a xed object such as a branch or is pinched.

These forces can lead to a loss of control and injury.

Understanding the origin of these forces can help you to

avoid the scare and the loss of control. This saw is desi-

gned to make the return e󰀨ects are not as noticeable as

with traditional chainsaws.

Always still keep a rm grip and a good level to maintain

control of the tool in doubt.

The most common e󰀨ects are:

setback

recoil,

retreat

Kickback

The setback can occur when the moving saw chain

meets at the upper quarter of the guide rail on a solid ob-

ject or is pinched. The cutting force exerted on the chain

from the saw, a rotational force in the opposite direction

to the chain travel. This leads to an upward movement of

the guide rail.

Avoid kickback

The best protection is to avoid situations that lead to set-

backs.

Keep the position of the upper guide rail always in mind.

Leave this place never come into contact with an ob-

ject. Cut anything with it. Be especially careful near wire

fences and cutting small, hard knots, in which the chain

can easily pinch.

Cut only one branch at a time.

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