STIHL RME 235 Ohjekirja

STIHL RME 235

Instruction manual

Manual de instrucciones

Manual de utilização

Bruksanvisning

Käyttöopas

Betjeningsvejledning

Οδηγίες χρήσης

Инструкция за експлоатация

Посібник з експлуатації

EN

ES

PT

NO

SV

FI

DA

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BG

UK

RME 235.0

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0478 121 9804 A - EN

Dear Customer,

Thank you for choosing STIHL. We

develop and manufacture our quality

products to meet our customers'

requirements. The products are designed

for reliability even under extreme

conditions.

STIHL also stands for premium service

quality. Our specialist dealers guarantee

competent advice and instruction as well

as comprehensive service support.

We thank you for your confidence in us

and hope you will enjoy working with your

STIHL product.

Dr. Nikolas Stihl

IMPORTANT: READ BEFORE USE AND

KEEP IN A SAFE PLACE.

Printed on chlorine-free bleached paper. Paper is recyclable. Cover is halogen free.

1. Table of contents

Notes on the instruction manual 8

General 8

Instructions for reading the

instruction manual 8

Country-specific versions 8

Machine overview 8

For your safety 9

General 9

Warning – dangers caused by

electrical current 10

Clothing and equipment 10

Transporting the machine 11

Before operation 11

Working with your machine 11

Maintenance, cleaning, repairs and

storage 13

Storage for prolonged periods

without operation 14

Disposal 14

Description of symbols 14

Preparing the machine for

operation 14

Assembling lawn mower 14

Controls 15

Grass catcher box 15

Level indicator 15

Handlebar 15

Central cutting height adjustment 15

Notes on working with the

machine 16

General points 16

Correct motor load 16

If the mowing blade blocks 16

Thermal motor overload protection 16

Working area for operator 16

Safety devices 16

Two-hand operation 16

Motor run-down brake 16

Operating the machine 17

Electrical connection 17

Strain relief 17

Switching on the lawn mower 17

Switching off lawn mower 17

Emptying the grass catcher box 17

Maintenance 17

General 17

Cleaning the machine 18

Electric motor and wheels 18

Upper handlebar 18

Mowing blade maintenance 18

Removing and installing the

mowing blade 18

Sharpening the mowing blade 18

Storage (winter break) 19

Transport 19

Minimising wear and preventing

damage 19

Environmental protection 20

Standard spare parts 20

EU - Declaration of conformity 20

Lawn mower, manually operated

and mains-powered (STIHL RME) 20

Technical specifications 21

REACH 21

Troubleshooting 21

Service schedule 22

Handover confirmation 22

Service confirmation 22

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2.1 General

This instruction manual constitutes

original manufacturer’s instructions in

the sense of EC Directive 2006/42/EC.

STIHL is continually striving to further

develop its range of products; we therefore

reserve the right to make alterations to the

form, technical specifications and

equipment level of our standard

equipment.

For this reason, the information and

illustrations in this manual are subject to

alterations.

This instruction manual may describe

models that are not available in all

countries.

This instruction manual is protected by

the right of reproduction, translation and

processing using electronic systems.

2.2 Instructions for reading the

instruction manual

Illustrations and texts describe specific

operating steps.

All symbols which are affixed to the

machine are explained in this instruction

manual.

Viewing direction:

Viewing direction when "left" and "right"

are used in the instruction manual:

the user is standing behind the machine

and is looking forwards in the direction of

travel.

Section reference:

References to relevant sections and

subsections for further descriptions are

made using arrows. The following example

shows a reference to a section: (Ö 3.)

Designation of text passages:

The instructions described can be

identified as in the following examples.

Operating steps which require intervention

on the part of the user:

● Release bolt (1) using a screwdriver,

operate lever (2)...

General lists:

– Use of the product for sporting or

competitive events

Texts with added significance:

Text passages with added significance are

identified using the symbols described

below in order to especially emphasise

them in the instruction manual:

Texts relating to illustrations:

Illustrations relating to use of the machine

can be found in the front of this instruction

manual.

The camera symbol serves to link

the figures on the illustration pages

with the corresponding text

passages in the instruction manual.

2.3 Country-specific versions

STIHL supplies machines with different

plugs and switches, depending on the

country of sale.

Machines with European plugs are shown

in the illustrations. Machines with other

types of plug are connected to the mains in

a similar way.

2. Notes on the instruction

manual

Danger

Risk of accident and severe injury

to persons. A certain type of

behaviour is necessary or must be

avoided.

Warning

Risk of injury to persons. A certain

type of behaviour prevents possible

or probable injuries.

Caution

Minor injuries or material damage

can be prevented by a certain type

of behaviour.

Note

Information for better use of the

machine and in order to avoid

possible operating errors.

3. Machine overview

1 Upper handlebar

2 Motorstop lever

3 Rotary handle

4 Discharge flap

5 Transport handle

6 Motor hood

7 Front wheel

8 Housing

9 Rear wheel

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4.1 General

These safety regulations must

be observed when working with

the machine.

Read the entire instruction

manual before using the

machine for the first time. Keep

the instruction manual in a safe

place for future reference.

These safety precautions are essential for

your safety, however the list is not

exhaustive. Always use the machine in a

reasonable and responsible manner and

be aware that the user is responsible for

accidents involving third parties or their

property.

Make sure that you are familiar with the

controls and use of the machine.

The machine must only be used by

persons who have read the instruction

manual and are familiar with operation of

the machine. The user should seek expert

and practical instruction prior to initial

operation. The user must receive

instruction on safe use of the machine

from the vendor or another expert.

During this instruction, the user should be

made aware that the utmost care and

concentration are required for working with

the machine.

Residual risks persist even if you operate

this machine according to the instructions.

Only give or lend the machine, including

any accessories, to persons who are

familiar with this model and how to operate

it. The instruction manual forms part of the

machine and must always be provided to

persons borrowing it.

The machine must only be operated by

persons who are well rested and in good

physical and mental condition. If your

health is impaired, you should consult your

doctor to determine whether working with

the machine is possible. The machine

should not be operated after the

consumption of alcohol, drugs or

medications which impair reactions.

Make sure that the user is physically,

sensorily and mentally capable of

operating the machine and working with it.

If the user is physically, sensorily or

mentally impaired, the machine must only

be used under supervision or following

instruction by a responsible person.

Make sure that the user is of legal age or

being trained under supervision in a

profession in accordance with national

regulations.

The machine is intended for private use.

Caution – risk of accident:

The machine is only intended for mowing

lawns. Its use for other purposes is not

permitted and may be dangerous or result

in damage to the machine.

Due to the physical danger to the user, the

machine must not be used for the following

applications (incomplete list):

– for trimming bushes, hedges and

shrubs,

– for cutting creepers,

– for the care of lawn roofs and balcony

boxes,

– for shredding or chopping tree or hedge

cuttings,

– for clearing paths (vacuuming,

blowing),

– for levelling earth mounds, e.g. mole

hills,

– for transporting clippings, except in the

grass catcher box intended for this

purpose.

For safety reasons, any modification to the

machine, except the proper installation of

accessories approved by STIHL, is

forbidden and results in voiding of the

warranty cover. Information regarding

approved accessories can be obtained

from your STIHL specialist dealer.

In particular, any tampering with the

machine which increases the power output

or speed of the engine or motor is

forbidden.

It is not permitted to transport objects,

animals or persons, particularly children,

on the machine.

10 Lower handlebar

11 Cable clip

12 Grass catcher box

13 Cable guide

14 Level indicator

15 Start button

16 Mains connection

17 Strain relief

18 Height adjustment lever

4. For your safety

Risk of death from suffocation!

Packaging material is not a toy -

danger of suffocation! Keep

packaging material away from

children.

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Particular care is required during use in

public green spaces, parks, sports fields,

along roads and in agricultural and forestry

businesses.

Caution! Danger to health due

to vibrations. Excessive

exposure to vibrations can

result in damage to the

cardiovascular or nervous system,

particularly in persons with cardiovascular

problems. Please consult a physician if

you experience symptoms that may have

been caused by vibrational loads.

Symptoms of this kind principally affect the

fingers, hands or wrists and include

(incomplete list):

– numbness,

– pain,

– muscular weakness,

– skin discolouration,

– unpleasant tingling sensation.

Hold the handlebar tightly, but not tensed,

with both hands in the designated

locations during operation.

Plan your working times so that more

severe physical strains over a longer

period are avoided.

4.2 Warning – dangers caused by

electrical current

Only operate machine with fully uncoiled

power cable.

Extension reels must always be fully

unwound before use.

Never use a damaged extension cable.

Replace defective cables with new ones

and never repair extension cables.

Never use the machine if the cables are

damaged or worn. Check the power cable

in particular for damage and ageing.

Maintenance and repair work on power

cables must only be performed by

specially qualified technicians.

Danger of electric shock!

Do not connect a damaged cable to the

mains and only touch a damaged cable

once it has been disconnected from the

mains.

Danger of electric shock!

Damaged cables, connectors and plugs,

or electric cables which do not conform

with regulations may not be used.

Only touch the cutting units (blades) when

the machine is disconnected from the

mains.

Always ensure that the power cables used

are adequately protected by a fuse.

Although the motor is

splashproof, do not use the

machine when it is raining or in

wet environments.

Only use extension cables that are

insulated against moisture for outdoor use

which are suitable for use with the

machine (Ö 10.1).

Keep the electric cable away from the

blade when mowing.

Detach electric cables at the plug and

socket and not by pulling on the electric

cable.

It must be noted that current fluctuations

can damage the machine when it is

connected to a power generator.

Only connect the machine to a power

supply that is protected by means of a

residual current-operated protective

device with a release current of a

maximum of 30 mA. Your electrician can

provide further information.

For reasons of electrical safety, the electric

cable must always be correctly installed on

the handlebar.

4.3 Clothing and equipment

Always wear sturdy footwear

with high-grip soles when

working. Never work barefoot

or, for example, in sandals.

Warning:

Risk of electric shock!

Particularly important for

electrical safety are the

power cable, mains plug,

On / Off switch and

electric cable. Damaged cables,

connectors and plugs, or electric

cables that do not conform to

regulations must not be used, to

prevent any risk of electric shocks.

Therefore, check the electric cable

regularly for signs of damage or

ageing (brittleness).

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Also always wear sturdy gloves

and tie up and secure long hair

(headscarf, cap, etc.) when

performing maintenance and

cleaning work or when transporting the

machine.

Wear suitable safety glasses

when sharpening the mowing

blade.

Always wear long trousers and

tight-fitting clothing when operating the

machine.

Never wear loose clothes which may

become caught on moving parts (control

levers) – do not wear jewellery, ties or

scarves.

4.4 Transporting the machine

Always wear gloves in order to prevent

injuries due to sharp-edged and hot

components.

Switch off the machine prior to transport,

disconnect the power cable and allow the

blade to come to a standstill.

Only transport the machine once the motor

has cooled down.

Take the weight of the machine into

account and use suitable loading aids

(loading ramps, lifters) if necessary.

Secure the machine and any machine

components being transported (e.g. grass

catcher box) on the load floor using

fastening material of adequate size (belts,

ropes, etc.).

Avoid contact with the mowing blade when

lifting and carrying the machine.

Observe the information in the section

"Transport". It describes how to lift and

lash the machine. (Ö 12.1)

When transporting the machine, always

observe regional legislation, especially

regarding load security and the transport

of objects on load floors.

4.5 Before operation

Make sure that only persons who are

familiar with the instruction manual are

permitted to use the machine.

Observe the local regulations regarding

permitted operating times for gardening

power tools with combustion engines or

electric motors.

Carefully inspect the complete area on

which the machine is to be used and

remove any stones, sticks, wires, bones

and other foreign objects which could be

thrown up by the machine. Obstacles (e.g.

tree stumps, roots) can be easily

overlooked in long grass.

For this reason, mark all foreign objects

(obstacles) which are hidden in the lawn

and cannot be removed before

commencing work with the machine.

All faulty, worn or damaged parts must be

replaced before using the machine.

Replace any illegible or damaged danger

signs and warnings on the machine. Your

STIHL specialist has a supply of

replacement stickers and all the other

spare parts.

The machine must only be used in good

operating condition. Before each use,

check whether:

– The machine is properly assembled.

– The cutting tool and the entire cutting

unit (mowing blade, fastening elements,

mowing deck housing) are in good

condition. In particular check for secure

fastening, damage (notches or cracks)

and wear.

– The safety devices (e.g. discharge flap,

housing, handlebar, motorstop lever)

are in good condition and working

properly.

– The grass catcher box is undamaged

and correctly installed; a damaged

grass catcher box must not be used.

– The run-down brake of the electric

motor is functioning.

Carry out any necessary work or consult a

specialist dealer. STIHL recommends

STIHL specialist dealers.

Observe the instructions in section

"Dangers caused by electrical current"

(Ö 4.2).

Never switch the motor on without a

correctly installed blade. Risk of motor

overheating.

4.6 Working with your machine

Never work when animals or

persons, particularly children,

are in the danger area.

The switch and safety devices installed in

the machine must not be removed or

bypassed. In particular, never secure the

motorstop lever to the handlebar (e.g. by

tying it).

The handlebar must always be installed

correctly and must not be modified. Never

operate the machine with the handlebar

folded down.

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Never attach any objects to the handlebar

(e.g. work clothing). Extension cables

must never be wrapped around the

handlebar.

Only work during the day or with good

artificial light.

Do not work at ambient temperatures

below +5°C (41°F).

Do not operate the machine in the rain or

during thunder storms, particularly when

there is a risk of lightning strike.

The risk of accidents is higher if the ground

is damp due to increased danger of

slipping.

Particular caution should be exercised

during working in order to prevent slipping.

If possible, avoid using the machine when

the ground is damp.

Do not leave the machine in the rain.

Switching on the machine:

Exercise care when switching on the

machine and observe the instructions in

the section "Initial operation of the

machine". (Ö 10.)

Keep your feet a safe distance from the

cutting tool.

Place the machine on an even surface

before switching it on.

The machine must not be tilted before it is

switched on or during switching-on.

Do not switch on the motor if the discharge

chute is not covered by the discharge flap

or the grass catcher box.

Avoid switching the machine on repeatedly

within a short period of time; in particular

avoid "playing" with the ON button. Risk of

motor overheating.

Working on slopes:

Always work across and back on slopes,

never up and down.

If the user loses control when mowing up

and down, there is a risk of being run over

by the machine.

Be particularly careful when changing

direction on a slope.

Always ensure good stability on slopes

and avoid mowing on excessively steep

slopes.

For safety reasons, the machine must not

be used on slopes with an inclination of

more than 25° (46.6%). Risk of injury!

A slope inclination of 25° corresponds to a

vertical height increase of 46.6 cm for a

100 cm horizontal distance.

Working:

Caution – risk of injury!

Never place your hands or feet

on, underneath or above

rotating part. Never touch the

rotating blade. Always keep away from the

discharge opening. Always observe the

safety distance provided by the handlebar.

Do not try to examine the blade

while the machine is operating.

Never open the discharge flap

and/or remove the grass catcher box when

the mowing blade is running. Rotating

blades can cause injury.

Only operate the machine at walking

speed – never run when working with the

machine. Working quickly with the

machine increases the risk of injury due to

stumbling, slipping, etc.

Be particularly careful when turning the

machine around or pulling it towards you.

Risk of stumbling!

Never lift or carry the machine with the

motor running or the mains lead

connected.

Objects hidden in the turf (lawn sprinkler

systems, posts, water valves, foundations,

electrical wires, etc.) must be avoided.

Never run over any such foreign objects.

Use the machine with great care when

working near slopes, terraces, ditches and

embankments. In particular, ensure that

you maintain sufficient distance to such

danger areas.

If the cutting tool or the machine hits an

obstacle or a foreign object, the motor

must be switched off, the power cable

disconnected and an inspection performed

by a specialist.

Beware of the cutting tool

running on for several seconds

before coming to a standstill.

Switch off the motor,

– if tilting of the machine is necessary

when transporting over surfaces other

than grass,

– when pushing the machine to and from

mowing areas,

– before removing the grass catcher box,

– before adjusting the cutting height.

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Switch off the motor, disconnect

the mains plug and ensure that

the cutting tool has come to a

complete standstill

– before remedying blockages, including

those in the discharge chute,

– if the cutting tool has hit a foreign object.

The cutting tool needs to be checked for

possible damage. The machine must

not be operated with a damaged or bent

blade shaft or motor shaft. Risk of

injury through defective parts!

– before you check, clean or carry out

work on the machine (e.g. adjusting the

cutting height, opening or adjusting the

handlebar);

– before leaving the machine unattended;

– before lifting, or carrying the machine;

– before transporting the machine.

– after hitting a foreign object or if the

machine vibrates excessively. In these

cases check the machine, in particular

the cutting unit (blade, blade shaft,

blade fastening) for damage and carry

out the necessary repairs before

restarting and working with the

machine.

Owing to the voltage fluctuations caused

by this machine during the run-up period,

other devices connected to the same

circuit may be subject to interference in the

case of unfavourable power supply

conditions. In this case, appropriate steps

should be taken (e.g. connection to a

different circuit than the one used by the

affected device, or operation of the

machine using a circuit with a lower

impedance).

4.7 Maintenance, cleaning, repairs and

storage

Before performing any work on

the machine, before adjusting or

cleaning the machine, or before

checking whether the electric cable is

entwined or damaged, switch off the

machine and disconnect the mains plug.

Allow the machine to fully cool down

before storing it in enclosed places,

performing maintenance on it or cleaning

it.

Cleaning:

The complete machine must be cleaned

thoroughly following use. (Ö 11.2)

Remove accumulated clipping deposits

using a stick. Clean the underside of the

mower with water and a brush.

Never use high-pressure cleaners and do

not clean the machine under running water

(e.g. using a garden hose).

Do not use aggressive cleaning agents.

These can damage plastics and metals,

impairing the safe operation of your STIHL

machine.

In order to prevent fire hazards, keep the

area around the air vents between the

motor hood and housing free from

e.g. grass, straw, moss, leaves or

escaping grease.

Maintenance operations:

Only maintenance operations described in

this instruction manual may be carried out.

Have all other work performed by a

specialist dealer.

If you do not have the necessary expertise

or auxiliary equipment, please always

contact a specialist dealer.

STIHL recommends that you have

maintenance operations and repairs

performed exclusively by a STIHL

specialist dealer.

STIHL specialist dealers regularly attend

training courses and are provided with

technical information.

Only use tools, accessories or

attachments approved for this machine by

STIHL or technically identical parts.

Otherwise, there may be a risk of

accidents resulting in personal injury or

damage to the machine. If you have any

questions, please consult a specialist

dealer.

The characteristics of original STIHL tools,

accessories and spare parts are optimally

adapted to the machine and the user's

requirements. Genuine STIHL spare parts

can be recognised by the STIHL spare

parts number, by the STIHL lettering and,

if present, by the STIHL spare parts

symbol. On smaller parts, only the symbol

may be present.

Always keep warning and information

stickers clean and readable. Damaged or

missing stickers must be replaced by new,

original plates from your STIHL specialist

dealer. If a component is replaced with a

Risk of injury!

Strong vibration is normally an

indication of a fault.

In particular, the machine must not

be operated with a damaged or

bent blade shaft or mowing blade.

If you do not have the appropriate

expertise, have the necessary

repairs carried out by a specialist

dealer (STIHL recommends STIHL

specialist dealers).

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new component, ensure that the new

component is provided with the same

stickers.

Only perform work on the cutting unit when

wearing thick work gloves and exercising

extreme care.

Ensure that all nuts, pins and screws (in

particular the blade fastening screw) are

securely tightened so that the machine is

in a safe operating condition.

Check the complete machine and the

grass catcher box for wear or damage on

a regular basis, particularly before

extended periods when the machine is not

in use (e.g. over winter). For safety

reasons, worn or damaged parts must be

replaced immediately to ensure that the

machine is always in a safe operating

condition.

Components or guards that are removed

for maintenance operations must be

properly reinstalled immediately.

Regularly check that the mowing blade is

securely fastened and is not damaged or

worn.

4.8 Storage for prolonged periods

without operation

Store the cooled machine in a dry and

locked place.

Ensure that the machine is protected from

unauthorised use (e.g. by children).

Thoroughly clean the machine before

storage (e.g. winter break).

Store the machine in good operational

condition.

4.9 Disposal

Ensure that old machines are properly

disposed of. Render the machine

unusable prior to disposal. In order to

prevent accidents, ensure that you remove

the power supply cable or the electric

cable to the motor.

Risk of injury due to the cutting tool!

Always store an old machine in a safe

place prior to scrapping. Ensure that the

machine and the cutting tool are kept out

of the reach of children.

6.1 Assembling lawn mower

5. Description of symbols

Caution!

Read the instruction man-

ual before initial use.

Risk of injury!

Keep other persons out of

the danger area.

Risk of injury!

Beware of the sharp mowing

blade. The mowing blade

runs on for several seconds

after switching off

(motor/blade brake). Before

performing any work on the

cutting tool, before carrying

out maintenance and clean-

ing work, before checking

whether the electric cable is

entwined or damaged, or

before leaving the machine

unattended, switch off the

motor and disconnect the

plug.

Danger of electric shock!

Keep the electric cable

away from the cutting tool.

Switch on the motor.

6. Preparing the machine for

operation

Risk of injury

Observe the safety instructions in

the section "For your safety". (Ö 4.)

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● Carry out assembly work on

level, flat and solid ground.

Check scope of delivery before

assembly.

● Assemble the grass catcher box

and install the lower

handlebars (D) – observe the

specified tightening torque.

● Position the upper handlebar onto the

lower handlebars at the required height

and hold. (Ö 7.3)

● Install the upper handlebar and

insert the power cable into the

cable guide (J) as shown and

fasten to the handlebar using the

cable clips (K).

● Attach the grass catcher box. (Ö 7.1)

7.1 Grass catcher box

Attaching:

● Open the discharge flap (1) and

hold it open.

● Attach the grass catcher box (2) to the

mountings (3) on the rear of machine by

means of the locating lugs.

● Close the discharge flap (1).

Detaching:

● Open the discharge flap (1) and hold it

open.

● Lift the grass catcher box (2) and

remove it rearwards.

● Close the discharge flap (1).

7.2 Level indicator

The flow of air generated by the

blade raises level indicator (1). The

flow of air stops when the grass catcher

box is full. If the flow of air is too low, level

indicator (1) returns to its resting state.

This is a prompt to empty the grass

catcher box.

The functionality of the level indicator is

restricted if the flow of air is impaired.

External influences such as wet, dense or

high grass, low cutting levels,

contamination or the like can impair the

flow of air and the functionality of the level

indicator.

A Grass catcher box is being filled

B Grass catcher box is filled

● Empty the filled grass catcher box

(Ö 10.5).

7.3 Handlebar

1 Folding down the upper handlebar:

Transport position – for space-saving

transport and storage:

● Unscrew rotary handles (1) until they

can be moved freely and fold down

upper handlebar (2) forwards. Make

sure that the electric cable is not

damaged.

Working position – for pushing the

machine:

● Fold up upper handlebar (2) rearwards

and hold with one hand.

● Tighten rotary handles (1).

2 Height adjustment:

The upper handlebar can be installed at

2 heights:

● Remove rotary handles (1) and remove

screws (3).

● Adjust upper handlebar (2) to the

desired height:

Bore A – high position

Bore B – low position

● Insert screws (3) through bores in lower

and upper handlebars, tighten rotary

handles (1).

7.4 Central cutting height

adjustment

Five different cutting heights can be

set.

Level 1:

lowest cutting height (25 mm)

Level 5:

highest cutting height (65 mm)

Setting cutting height:

● Press detent lever (1) outwards and

hold.

● Set the required cutting height by

moving the machine upwards and

downwards.

● Release detent lever (1) and allow it to

engage.

7. Controls

2

3

4

5

6

Danger of pinching!

The upper handlebar can fold down

when the rotary handles are

released. For this reason, always

hold the upper handlebar (2) with

one hand at its highest point when

you loosen the rotary handles.

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8.1 General points

To ensure a perfect, thick lawn, mow

regularly and keep the grass short.

Do not cut the lawn too short in hot, dry

conditions as it will dry out or burn in the

sun and become unsightly.

The cutting pattern will be better with a

sharp blade than with a blunt one; the

blade should therefore be sharpened

regularly (STIHL specialist dealer).

8.2 Correct motor load

Do not switch on the lawn mower in tall

grass or at the lowest cutting height.

The lawn mower load must never cause

the motor speed to drop significantly.

If the speed drops, select a higher cutting

height setting and/or reduce the rate of

feed.

8.3 If the mowing blade blocks

Switch off the motor immediately and

disconnect the mains plug. Then eliminate

the cause of the fault.

8.4 Thermal motor overload protection

If an overload of the motor occurs during

operation, the built-in thermal overload

protection device automatically switches

off the motor.

Causes for an overload:

– mowing excessively high grass or

cutting height adjusted too low,

– excessive rate of feed,

– inadequate cleaning of the cooling air

guide (inlet slots),

– mowing blade is blunt or worn,

– unsuitable or excessively long electric

cable – voltage loss (Ö 10.1).

Recommencing operation

Resume normal operation of the machine

following a cooling period of up to 20 min

(depending on the ambient temperature)

(Ö 10.).

8.5 Working area for operator

● For safety reasons, the operator

must stay within the working area

behind the handlebar when the motor is

running. Always observe the safety

distance provided by the handlebar.

● The lawn mower must only be operated

by one person. Other persons must

keep out of the danger area. (Ö 4.)

The machine is equipped with several

safety devices for safe operation and for

the prevention of improper use.

9.1 Safety devices

The lawn mower is equipped with safety

devices, which prevent inadvertent contact

with the mowing blade and with ejected

clippings.

These include the housing, discharge flap,

grass catcher box and correctly installed

handlebar.

9.2 Two-hand operation

The motor can only be switched on by

pressing and holding the ON button with

the right hand and then pulling the

motorstop lever to the handlebar with the

left hand.

9.3 Motor run-down brake

When the motorstop lever is released, the

mowing blade comes to a complete

standstill in less than three seconds.

An integrated motor run-down brake

shortens the run-down time until the blade

stops.

8. Notes on working with the

machine

Risk of injury!

Untangle any knots in the cable

immediately.

Guide the electric cable behind you

when mowing. Electric cables can

be inadvertently cut when mowing

and present a tripping hazard. They

therefore involve a high accident

risk. For this reason, mow so that

the electric cable is always visible

in the area of grass that has already

been cut.

18

9. Safety devices

Risk of injury!

If a safety device is found to be

defective, the machine must not be

operated. Consult a specialist

dealer; STIHL recommends STIHL

specialist dealers.

ENES

17

PTNOSVFIDAELBGUK

0478 121 9804 A - EN

10.1 Electrical connection

Only electric cables which are no lighter

than rubber sheathed cables H07 RN-

F DIN/VDE 0282 may be used as electric

cables.

Minimum cross-section:

up to 25 m length: 3 x 1.5 mm²

up to 50 m length: 3 x 2.5 mm²

The connectors of the electric cable must

be made of rubber or have a rubber cover

and conform to the standard

DIN/VDE 0620.

The mains voltage and mains frequency

must correspond to the information on the

rating plate and the information contained

in the section "Technical specifications"

(Ö 17.).

The power cable must be adequately

protected by fuse (Ö 17.).

This machine is intended for operation with

a power supply having a system

impedance of Z

max

at the transfer point

(house connection) of maximum

0.49 Ohm (at 50 Hz).

The user must ensure that the machine is

only operated with a power supply which

meets this requirement. If necessary, this

information can be obtained from the local

electric power company.

10.2 Strain relief

During working, the strain relief

prevents any unintentional

disconnection of the electric cable and any

resulting damage to the mains connection

on the machine.

For this reason, the electric cable must be

fed through the strain relief.

● Form a loop in the power cable (1) and

guide it through the opening (2).

● Then push the loop over the hook (3)

and pull it tight.

10.3 Switching on the lawn

mower

● Press and hold down the ON button (1).

Pull motorstop lever (2) to handlebar

and hold.

● The ON button (1) can be released

once motorstop lever (2) is pressed.

10.4 Switching off lawn mower

● Release motorstop lever (1).

Motor and mowing blade come to

a stop after a short run-down time.

10.5 Emptying the grass catcher

box

● Detach the grass catcher box. (Ö 7.1)

● Open the grass catcher box at the

tab (1). Fold up the upper part of the

grass catcher box (2) and hold. Fold the

grass catcher box rearwards and empty

the clippings.

● Close the grass catcher box.

● Attach the grass catcher box. (Ö 7.1)

11.1 General

Annual service by the specialist dealer:

The lawn mower should be inspected once

annually by a specialist dealer. STIHL

recommends STIHL specialist dealers.

When the motor is switched on, the

blade rotates and a wind noise is

audible. The run-on time

corresponds to the duration of the

wind noise after switching off the

motor. This can be measured using

a stopwatch.

10. Operating the machine

Danger of electric shock!

Observe the safety instructions in

the section "For your safety"

(Ö 4.2).

If using a cable drum, the

connection cord must be unwound

completely, otherwise electrical

resistance may cause loss of power

and overheating.

Do not start the motor in high grass

or when the mower is set to the

lowest cutting height, as this makes

switching on difficult.

10

11

Risk of injury!

The motor must be stopped for

safety reasons before removing the

grass catcher box.

11. Maintenance

Risk of injury!

Observe the safety instructions in

the section "For your safety" (Ö 4.).

12

13

0478 121 9804 A - EN

18

11.2 Cleaning the machine

Maintenance interval:

After each use

● Place the machine on horizontal and

level ground.

● Detach the grass catcher box. (Ö 7.1)

● To clean the underside of the machine,

tilt the lawn mower (1) onto its side.

● Only clean the machine using water,

with a brush or with a cloth. Remove

accumulated clipping deposits using a

stick. If necessary, use a special

cleaner (e.g. STIHL special cleaner).

● Never spray water or high pressure

cleaners onto switches, motor

components, seals or bearing points.

11.3 Electric motor and wheels

The electric motor is maintenance-free.

The wheel bearings are maintenance-free.

11.4 Upper handlebar

Maintenance interval:

Before each use

Check the upper handlebar for damage –

it is coated with an insulating layer. Should

this layer become damaged, do not

operate the lawn mower and replace the

upper handlebar.

11.5 Mowing blade maintenance

Maintenance interval:

Before each use

● Tilt the lawn mower onto its side.

(Ö 11.2)

● Clean mowing blade (1) and check it for

damage (notches or cracks) and wear;

replace if necessary.

● Check the blade thickness A at

several points using a slide calliper. In

particular, measure in the area of the

blade wings.

A > 1,6 mm

● Place a ruler (2) against the front blade

edge and measure permissible

grinding B.

B < 5 mm

11.6 Removing and installing the

mowing blade

● Tilt the lawn mower onto its side to work

on the mowing blade. (Ö 11.2)

1 Removing:

● Hold mowing blade (1) with one hand.

● Unscrew blade fastening screw (2) and

remove together with coupler (3) and

mowing blade (1).

2 Installing:

● Clean the blade contact surface,

coupler and blade bushing.

● Install mowing blade (1) on the blade

bushing with the curved wings pointing

upwards. Position guide pins (4) of the

blade bushing in the recesses in the

mowing blade.

● Hold mowing blade (1) with one hand

and fit coupler (3).

● Screw in blade fastening screw (2) and

tighten.

Tightening torque for blade fastening

screw:

15 - 20 Nm

11.7 Sharpening the mowing blade

STIHL recommends having the mowing

blade sharpened by a technician.

Operation of the machine is impaired in the

14

Risk of injury!

Check the blade for damage before

each use. The blade must be

replaced if notches or cracks are

detected or if the wear limits are

reached or exceeded.

Risk of injury!

Always wear suitable gloves when

working on the mowing blade.

15

16

Risk of injury!

Before installing, check the

condition of the mowing blade

(damage, wear) and replace if

necessary. (Ö 11.5)

The mowing blade must only be

installed as illustrated with the

curved wings pointing upwards

(towards the machine). Observe

the specified torque when

tightening the blade fastening

screw, as the secure attachment of

the cutting tool depends upon it.

Additionally secure the blade

fastening screw with Loctite 243.

Replace the blade fastening screw

and coupler each time the blade is

replaced.

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