STIHL RT 4097.1, RT 4112.1 Instrukcja obsługi

STIHL RT 4097 SX, RT 4112 SZ

Instruction manual

Bruksanvisning

Käyttöopas

Betjeningsvejledning

Instrukcja obsługi

EN

NO

SV

FI

DA

PL

RT 4097.1 SX RT 4112.1 SZ

B

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0478 192 9812 B

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0478 192 9812 B

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0478 192 9812 B - 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 4

General 4

Instructions for reading the

instruction manual 4

Machine overview 6

For your safety 7

General 7

Training – learning to use the

machine 8

Transporting the ride-on mower 8

Refilling the tank – handling petrol 9

Clothing and equipment 9

Before operation 9

During operation 10

Maintenance and repairs 13

Storage for prolonged periods

without operation 14

Disposal 14

Description of symbols 15

Standard equipment 16

Operations prior to initial use 16

Controls 16

Ignition lock 16

Throttle lever with choke function

(RT 4097 SX) 17

Throttle lever (RT 4112 SZ) 17

Choke knob (RT 4112 SZ) 18

Mowing deck switch 18

Reverse mowing safety switch 18

Driving direction selector lever 19

Steering wheel 19

Driver’s seat adjustment 19

Drive pedal 20

Brake pedal 20

Parking brake 20

Cutting height adjustment lever 21

Gearbox freewheel lever 21

Electronics 22

Self-diagnosis when starting 22

Ride-on mower faults during

operation 23

Electronics faults 23

Notes on working with the

machine 23

Mowing operation 23

Safety devices 24

Operating the machine 25

Filling the fuel tank 25

Starting the engine 25

Stopping the engine 26

Driving 26

Braking 27

Adjusting the cutting height 27

Mowing 27

Pulling loads 28

Operating on slopes 28

Mowing deck 29

Removing the mowing deck 29

Installing the mowing deck 30

Maintenance 32

Maintenance schedule 33

Cleaning the machine 33

Opening the engine hood 34

Closing the engine hood 34

Checking the safety devices 34

Mowing blade maintenance 35

Checking the installation position of

the mowing deck 37

Fuel cock 37

Tyre pressure 37

Changing the wheels 37

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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 4.)

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:

Lubrication 39

Checking the engine oil filling level 39

Changing the engine oil 40

Topping up engine oil 40

Replacing headlamp bulbs 40

Fuses 41

Battery compartment 42

Battery 42

Charging the battery using the

charger plug 44

Combustion engine 44

Gearbox 44

Storage 44

Extended periods of inoperation

(e.g. winter break) 45

Following storage for extended

periods (e.g. over winter) 45

Transport 45

Standard spare parts 45

Accessories 45

Environmental protection 46

Minimising wear and preventing

damage 46

EU - Declaration of conformity 47

STIHL RT 4097.1 SX, RT 4112.1

SZ ride-on mower 47

Technical specifications 47

Dimensions 48

REACH 49

Troubleshooting 49

Service schedule 51

Handover confirmation 51

Service confirmation 52

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.

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Illustrations with text passages:

Operating steps relating directly to the

illustration can be found immediately after

the illustration, with a corresponding

reference to the item numbers.

Example:

Insert ignition key (1) in ignition lock (2).

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.

1

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3. Machine overview

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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.

Observe the operating and maintenance

instructions contained in the separate

engine instruction manual.

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.

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.

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 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.

Caution – risk of accident!

The ride-on mower is only intended for

mowing lawns; its use for other purposes

is not permitted.

The machine must only be equipped with

original STIHL accessories. These enable

further applications. Information is

available from your STIHL specialist

dealer.

Due to the physical danger to the user or

other persons, the machine must not be

used, for example, for the following

applications (incomplete list):

– for cutting creepers,

– for shredding or chopping tree or hedge

cuttings,

– for clearing paths (vacuuming,

blowing),

– for snow clearing using the mowing

deck,

– for the care of lawn roofs,

– for levelling earth mounds, e.g. mole

hills.

1 Steering wheel

2 Driver's seat

3 Rear wheel

4 Cutting height adjustment lever

5 Deflector flap

6 Mowing deck

7 Front wheel

8 Headlamp

9 Bumper (RT 4112 SZ)

10 Engine hood

11 Tank cap

12 Driving direction selector lever

(forward - reverse)

13 Ignition lock

14 Parking brake lever

15 Mowing deck switch

16 Throttle lever with choke function

(RT 4097 SX)

17 Throttle lever (RT 4112 SZ)

18 Choke knob (RT 4112 SZ)

19 Beverage holder

20 Storage compartment

21 Reverse mowing safety switch

22 Trailer hitch

4. For your safety

Risk of death from suffocation!

Packaging material is not a toy -

danger of suffocation! Keep

packaging material away from

children.

0478 192 9812 B - EN

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– for transporting cuttings.

The machine is not approved for use on

public roads.

The carrying of persons (especially

children) and animals is not permitted.

Objects must not be transported on the

machine, but only with the aid of a trailer

approved by STIHL (accessory). The

weight limits must be observed. (Ö 12.8)

Particular care is required during use in

public green spaces, parks, sports fields,

along roads and in agricultural and forestry

businesses.

The machine must not be used for sporting

or competitive events.

For safety reasons, any modification to the

machine, except the proper installation of

accessories or attachments approved by

STIHL is forbidden and results in voiding of

the warranty cover. Information regarding

approved accessories and attachments

can be obtained from your STIHL

specialist dealer.

In particular, any tampering with the

machine which increases the power

output, engine speed or driving speed is

forbidden.

The machine is equipped with electronics

which must not be modified or removed.

For safety reasons, the machine software

must never be modified or tampered with.

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 Training – learning to use the

machine

Make sure that you are familiar with the

controls and operation of the machine. In

particular, the user must know how the

work tools and engine can be stopped

quickly.

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.

– that a ride-on mower which is sliding

down a slope cannot be brought under

control by applying the brake.

The main causes for the loss of control

over the ride-on mower include:

– inadequate adhesion of the wheels,

– driving too fast,

– inappropriate braking,

– incorrect use (sport events, etc.),

– inadequate knowledge of the effects

associated with ground conditions,

especially on slopes (see section "For

your safety", "Working on slopes"),

– incorrect attachment of loads and poor

load distribution.

Residual risks persist even if you operate

the machine according to the instructions.

4.3 Transporting the ride-on mower

On account of its own weight, the ride-on

mower can cause severe crush injuries.

Particular care must be taken when

loading or unloading the ride-on mower

onto/from a vehicle or trailer for transport

purposes.

This ride-on mower must not be towed. For

transporting on public roads, a suitable

vehicle or a suitable trailer must be used.

During transport, the ride-on mower must

be secured to a load floor as described in

this instruction manual. Furthermore, the

parking brake must be engaged. (Ö 15.)

Prior to transporting or storage, disengage

the drive to the mowing blades or

attachments.

When transporting the machine, always

observe regional legislation, especially

regarding load security and the transport

of objects on load floors.

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Allow the machine, in particular the engine

and muffler, to cool down completely after

loading and before further transport. The

load floor and the area around the muffler

and engine must be kept free of

combustible materials such as straw,

leaves or dry grass residues.

4.4 Refilling the tank – handling petrol

Petrol must only be stored in appropriate,

tested containers (canisters). Always

screw on the fuel tank and canister caps

properly and tightly. Defective caps must

be replaced for safety reasons.

Keep petrol away from sparks,

naked flames, pilot lights, heat

sources and other ignition

sources. Do not smoke!

Refill the tank out-of-doors and do not

smoke during refilling.

Before refilling the tank, stop the engine

and allow it to cool.

Refilling with petrol must be performed

before the engine is started. When the

engine is running or is hot, the tank cap

must not be removed and the tank must

not be refilled with petrol.

Open the fuel tank cap slowly and

carefully. Wait for pressure compensation

and only then remove the tank cap

completely.

Use a suitable funnel or filling pipe for

refilling the tank, so that no fuel can spill

onto the engine and housing or the lawn.

Do not overfill the fuel tank!

To give the fuel room to expand,

never fill the fuel tank past the

lower edge of the filler neck.

Observe the additional

instructions in the engine

instruction manual.

If petrol is spilled, the engine

must only be started after the petrol-

contaminated area has been cleaned. All

attempts at starting must be avoided until

the petrol fumes have dispersed (wipe

dry).

Any spilt fuel must be wiped up

immediately.

Clothing must be changed if it comes into

contact with petrol.

Following each refilling of the tank, the fuel

tank cap must be properly screwed on and

tightened. The machine must not be

operated without the original tank cap.

For safety reasons, the fuel line, fuel tank,

tank cap and connections must be

checked regularly for damage, ageing

(brittleness), firm seating and leaks.

Replace if necessary (consult a specialist

dealer; STIHL recommends STIHL

specialist dealers).

If it is necessary to drain the tank, this must

be done out of doors.

Never use beverage bottles or similar for

disposal or storage of fuels and lubricants.

Persons, particularly children, could be

tempted to drink out of them.

Never store the machine with petrol in the

tank inside a building. The resulting petrol

fumes could come into contact with naked

flames or sparks and could be ignited.

Do not leave the machine and the fuel tank

close to heating systems, radiant heaters,

welding equipment and other sources of

heat. Explosive hazard!

4.5 Clothing and equipment

Always wear sturdy footwear

with high-grip soles when

working. Never work barefoot

or, for example, in sandals.

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.

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

blades.

Noise is produced when

working. Noise may damage the

hearing.

Wear hearing protection.

4.6 Before operation

Make sure that only persons who are

familiar with the instruction manual are

permitted to use the machine.

Check the fuel system (particularly visible

parts such as e.g. tank, tank cap, hose

connections) before operating the

machine. In the event of any leaks or

Danger to life!

Petrol is poisonous and extremely

inflammable.

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damage, do not start the engine – fire

hazard!

Have the machine repaired by a specialist

dealer prior to operation.

Mounting and dismounting the machine

must be performed from the left-hand side

of the machine when the mowing deck is

installed. The deflector flap, which must

never be stood on, is located on the right-

hand side.

Observe the local regulations regarding

permitted operating times for gardening

power tools with combustion engines or

electric motors.

Completely inspect the area on which the

machine is to be used and remove any

stones, sticks, wires, toys and other

foreign objects that 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) that 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.

Never use the machine with damaged

safety devices or with safety devices

removed.

Spring-loaded mechanisms may release

stored energy. Spring-loaded mechanisms

must be undamaged and working.

The screwed-on discharge port (discharge

chute on mowing deck) must always be

securely fastened to the mowing deck. It

must not be damaged and, if necessary, it

must be replaced by a technician.

The braking function must be checked

before each use. (Ö 12.5)

Before each use, check whether:

– the cutting tool and the entire cutting

unit (mowing blade, blade clutch, blade

brake, retaining pin, mowing deck

housing) are in good condition.

Particularly check for secure fastening,

damage and wear.

– the tank cap is securely attached.

– the tank and fuel-carrying parts as well

as the tank cap are in good condition.

– the safety devices are in good condition

and function correctly.

– the tyres (inflation pressure, damage,

wear) and frame are in good condition.

Check that all screw connections are

securely fastened. In particular, all

maintenance operations listed in the

maintenance schedule under the

heading "Before each use" must be

carried out. (Ö 14.1)

If necessary, consult a specialist dealer.

STIHL recommends STIHL specialist

dealers.

4.7 During operation

Never work in the vicinity of

other people, particularly

children, or animals. Ensure

that the grass is never

discharged in the direction of other people.

Do not operate the machine in the rain or

during thunder storms, particularly when

there is a risk of lightning strike.

Exhaust gases:

The machine generates

poisonous exhaust gases when

the engine is running. The

gases contain poisonous

carbon monoxide, a colourless and

odourless gas, as well as other pollutants.

The engine must never be operated in

closed or poorly ventilated spaces.

The engine exhaust is released into the air

in a forward direction, between the two

front wheels. When working with the

machine, ensure that this area is always

kept clean and is never covered in order to

prevent the accumulation of exhaust

gasses.

Starting:

The machine must only be started from the

driver's seat.

Start the machine on level ground, not on

a slope.

The engine may only be started in a well

ventilated working area, sufficient

ventilation must be ensured, particularly in

garages.

Before starting the engine, disengage the

cutting tool, attachments and drive and

press down the brake pedal fully.

Danger to life through poisoning!

Stop working immediately in case of

nausea, headaches, impaired

vision (e.g. decreasing field of

view), hearing problems, dizziness

or decreasing power of

concentration. These symptoms

may be caused by excessively high

exhaust gas concentrations.

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When starting, it must be ensured that

there is sufficient clearance between the

feet and the cutting tool.

Never start the engine by short-circuiting

the starter terminal. If the normal starter

circuit is bypassed, the ride-on mower may

suddenly be set in motion.

Never start the engine if the smell of petrol

can be detected – Explosive hazard!

Working:

Only work during the day or with good

artificial light.

When driving off the lawn or when not

mowing, the mowing blades must be

disengaged and the mowing deck must be

set to the highest cutting position.

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.

The mowing deck should be removed

when working with additional attachments

– observe instruction manual for the

attachments.

Always hold the steering wheel firmly with

both hands when driving.

Particular care must be taken when driving

on lawns and other uneven surfaces, as

the steering wheel can be made to turn

due to holes, mounds, impacts, etc.

Risk of injury to hands and fingers!

If, during operation, a defect in the tank,

tank cap or in the fuel-carrying

components (fuel lines) is detected, the

engine must be stopped immediately. A

specialist dealer must then be contacted.

STIHL recommends STIHL specialist

dealers.

Beware of depressions (holes) in the

terrain and other invisible points of danger.

Obstacles can be easily overlooked in long

grass.

Always drive at a reasonable speed.

Use the machine with great care when

working near slopes, rubbish piles,

terraces, ditches and embankments. In

particular, ensure that you maintain

sufficient distance to such danger areas.

Particular care must be taken at points of

poor visibility, bushes, trees and other

obstacles, behind which persons,

especially children, or animals may be

hidden.

Bring the ride-on mower to a standstill

immediately and stop the mowing blade if

someone moves into the area to be mown.

Always monitor the area in front of the

vehicle. Beware of obstacles, in order to

be able to evade them in time.

Before reversing, always check the area

behind the ride-on mower and, if present,

disengage the attachment. Never mow in

reverse, if it is not absolutely necessary.

When mowing in reverse, take particular

care and before beginning to mow,

thoroughly check the entire area behind

the ride-on mower.

When working together in a group, always

inform the others in advance of what you

intend to do. Maintain a safety distance!

The vehicle speed must be reduced before

each change of direction, so that the user

retains control of the machine at all times

and also that the ride-on mower cannot tip

over.

When operating near to roads and when

crossing roads, other road users must be

taken into account.

Take particular care when mowing near

roads, cycle paths and footpaths. Objects

which are thrown up by the mower can

cause severe injury and damage.

When operating the ride-on mower with

attachments, always follow the

instructions and safety regulations

supplied with the attachments.

Switch off the drive, stop the engine and

wait until the mowing blades have come to

a complete standstill, engage the parking

brake and remove the ignition key:

– before removing blockages.

– before checking, cleaning or working on

the ride-on mower,

– if a mowing blade has hit an obstacle.

Inspect the machine and the cutting tool

for damage and have any necessary

repairs performed before re-starting.

– if the machine begins to vibrate

excessively. It must be checked

immediately.

– when abandoning or when transporting

the machine.

Stop the engine and wait until the mowing

blades have come to a complete standstill:

– Before filling with fuel.

Warning – risk of injury!

Observe the working

area of the mowing

blades. Never put hands

or feet on or underneath

rotating parts. Never touch the

rotating mowing blades. Always

keep away from the discharge

opening. An adequate safety

distance must always be

maintained.

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Working on slopes:

Slopes are one of the major causes of

accidents in which control over the ride-on

mower is lost causing it to tip over, which

can result in severe or even fatal injuries.

There is no "safe" slope! Driving on grassy

slopes requires special concentration.

For safety reasons, the machine must not

be used on slopes with an inclination of

more than 10° (17.6 %). Risk of injury!

A slope inclination of 10° corresponds to a

vertical height increase of 17.6 cm for a

100 cm horizontal distance.

In order to ensure an adequate oil supply

for the engine, the information in the

accompanying engine instruction manual

must be additionally observed when using

the machine on slopes.

If you cannot drive up the slope in reverse

or if you have doubts regarding safety, you

should not drive on the slope.

Starting off or stopping on a gradient must

be avoided.

Do not use the machine in places (slopes,

ditches, etc.) where the ride-on mower can

tip over or slide. The danger of tipping over

or sliding increases if the ground is soft or

damp.

Slopes must be driven on in a longitudinal

direction. Driving transversely increases

the danger of tipping over.

Do not change speed or direction abruptly

when driving on slopes. Work in this type

of situation requires calm, cautious and

even operation of the ride-on mower.

Changes of direction on slopes must be

avoided. Only turn on slopes if this is

unavoidable. If possible, drive slowly and

in a large curve in the down-slope

direction.

Do not mow wet grass, particularly on

slopes, as wheel grip is reduced on wet

grass. The ride-on mower could slide and

become uncontrollable for the user.

The gearbox must never be disengaged

via the gearbox freewheel when driving on

slopes.

Special care must be taken when

operating attachments on slopes (altered

weight distribution of the machine).

Never try to stabilise the ride-on mower by

pressing on the ground with your foot.

If the wheels should start to slip or if the

vehicle becomes stuck in the up-slope

direction when driving on an incline, the

mowing blades or the attachment must be

disengaged. Then leave the slope by

driving slowly downhill in a straight line.

Pulling loads:

Particular care must be taken when pulling

loads, in order to prevent the risk of severe

or even fatal injuries due to the ride-on

mower tipping over.

Only use accessories approved by STIHL

for transporting objects. Transportation on

the ride-on mower is not permitted.

For pulling loads, use only the trailer hitch.

Loads must never be attached to the axle

housing or to another point above the

trailer hitch.

Please refer to the section "Pulling loads"

for information on pulled and coupling

loads. (Ö 12.8)

Exceeding the specified pulled load is

dangerous and may result in damage to

the machine (engine, gearbox, etc.).

When transporting on slopes, the loads

must be adapted so that safe handling of

the ride-on mower (e.g. braking, change of

direction, starting off) is ensured at all

times.

Check whether loads are properly and

securely fastened. Use lashing straps for

securing loads.

Ensure balanced load distribution.

Use suitable additional weights

(accessories) if this is described in the

instruction manual for the attachment.

Do not execute tight curves. Particular

care must be taken when reversing.

Do not change speed or direction abruptly.

Stopping and parking:

The ride-on mower must only be parked on

a level surface.

Make sure that the ride-on mower has

come to a complete standstill before you

dismount.

Beware of the cutting tool

running on for several seconds

before coming to a standstill.

Before leaving the driver’s seat,

disengage the mowing blades

or the drive to the attachments, lower the

mowing deck and all attachments, set all

control levers to the neutral position,

engage the parking brake, stop the engine

and remove the ignition key.

Keep the ignition key in a place where only

authorised persons can access it.

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4.8 Maintenance and repairs

Before beginning cleaning,

adjustment, repair and

maintenance operations, park

the machine on firm, level

ground, engage the parking brake, stop

the engine, allow it to cool down and

remove the ignition key.

Be aware that moving one cutting tool

results in the turning of the other cutting

tools.

Allow the machine to cool down before

working on or around the engine, exhaust

manifold or muffler; this also applies in

particular to all maintenance operations on

the mowing deck. Temperatures of 80 °C

and above can be reached. Danger of

burns:

Cleaning:

Following operation, the entire ride-on

mower and the attachments must be

cleaned. In particular, all grass residues

must be removed because the moisture

these contain leads to damage in the long

term.

STIHL does not recommend the use of

high-pressure cleaners. (Ö 14.2)

Remove the mowing deck for cleaning

operations. Never clean the mowing deck

using water under high pressure (e.g.

garden hose) or by engaging the mowing

deck in puddles of water.

Never drive close to an edge or a ditch for

the purpose of cleaning (e.g. the frame of)

the ride-on mower.

In order to prevent fire hazards, keep the

engine, cooling ribs, battery compartment,

area around the fuel tank and exhaust free

from grass, leaves or escaping oil (or

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.

The ride-on mower and all attachments

should be inspected once annually by a

specialist dealer. (Ö 14.1)

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

new component, ensure that the new

component is provided with the same

stickers.

For safety reasons, fuel-carrying

components (fuel line, fuel cock, fuel tank,

tank cap, connections, etc.) must be

checked regularly for damage and leaks

and replaced by a technician if necessary

(STIHL recommends STIHL specialist

dealers).

Before starting work on or near electrical

components, the negative (–) cable must

be disconnected from the battery.

The machine is equipped with numerous

safety devices. These devices must not be

removed or modified (bypassed, etc.) and

must be checked at regular intervals.

Operations on the safety devices must

only be carried out by a technician. STIHL

recommends STIHL specialist dealers for

this purpose.

Ensure that all nuts, pins and screws,

especially the blade fastening screws, are

securely tightened, so that the machine is

in a safe operating condition.

For safety reasons, worn or damaged

parts must be replaced immediately.

Particular care is required when working

under the machine, due to the weight of

the ride-on mower. Consult your specialist

dealer for this purpose; STIHL

recommends STIHL specialist dealers.

They will have a workshop pit or a

hydraulic working platform.

Check the secure fastening of the front

and rear wheels.

0478 192 9812 B - EN

14

Always maintain the ride-on mower and

the attachments in perfect operating

condition. All safety devices must be

present and be in perfect operating

condition.

Ensure that the tyres have the correct tyre

pressures. The tyre pressures specified in

the instruction manual must not be

exceeded.

Only perform work on the mowing blades

when wearing thick work gloves and

exercising extreme care.

Check the function of the brakes at

regular, short intervals and, if necessary,

have the required adjustments or

maintenance operations performed by a

technician. STIHL recommends STIHL

specialist dealers.

Electrical system and battery:

In order to prevent sparks due to short

circuiting, the negative (–) cable must

always be disconnected from the battery

first and reconnected last.

Never smoke when working on

the battery. Sparks, naked

flames and other heat sources

must be kept away from the

battery.

Particular care is necessary when using

battery jump leads. Observe the relevant

instructions in order to prevent damage to

the ride-on mower (in particular, actuate

the starter for a maximum of 10 seconds).

(Ö 12.2)

When charging the battery using another

charging system, observe the instructions

in section "Charging the battery".

(Ö 14.19)

Never open the battery and do not drop it.

Always charge the battery in an enclosed,

well-ventilated room which is dry and

weather-protected.

Do not short circuit the battery

connections.

Deformed or faulty (leaking) batteries must

not be used and must be replaced and

disposed of in an environmentally-friendly

manner. Observe country-specific

legislation.

Fluid may escape from faulty batteries.

Avoid contact! In the case of inadvertent

contact, rinse with water. Seek medical

attention if the fluid contacts the eyes.

Escaping battery fluid can cause skin

irritation and burns.

Visually inspect the battery connection

cables for damage at regular intervals.

Have damaged cables replaced by a

technician.

Never bypass the fuses. Never use a fuse

with a value that differs from the specified

rating (ampere).

4.9 Storage for prolonged periods

without operation

Allow the engine to cool before storing the

machine in an enclosed space.

Store the ride-on mower with empty fuel

tank and the fuel reserve in a lockable and

well-ventilated room.

Never store the machine with petrol in the

fuel tank inside a building in which the

petrol fumes could come into contact with

naked flames or sparks.

If the tank has to be emptied

(e.g. immobilisation before the winter

break), the fuel tank must be emptied out

of doors only (empty the tank by running

the engine out of doors, for example).

Store the machine in good operational

condition.

The ignition key must always be removed

and kept in a safe place, to prevent

unauthorised or improper use by children

or other persons.

Thoroughly clean the ride-on mower

before storage (e.g. winter break). Dry

grass residues and leaves near to the

muffler may ignite. Danger of

combustion!

Perform all the necessary maintenance

operations (lubrication, etc.) before storing

the machine. (Ö 14.1)

The battery cables must be disconnected if

the ride-on mower is immobilised for

longer periods. STIHL recommends

removing the battery and storing it in a dry

and locked place. (Ö 14.18)

Ensure that batteries are protected from

unauthorised use (e.g. by children).

Allow the machine to cool down

completely before covering it.

4.10 Disposal

Waste products such as used engine oil or

fuel, used lubricants, filters, batteries and

similar wearing parts can be harmful to

people, animals and the environment, and

must consequently be disposed of

properly.

ENNO

15

SVFIDAPL

0478 192 9812 B - EN

Consult your recycling centre or your

specialist dealer for information on the

proper disposal of waste products. STIHL

recommends STIHL specialist dealers.

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 ignition key, the battery and the ignition

lead on the engine.

Risk of injury due to the mowing blade!

Always store an old ride-on mower in a

safe place prior to scrapping. Ensure that

the machine and particularly the mowing

blades are kept out of the reach of

children.

The battery must be disposed of

separately from the machine. Ensure that

batteries are disposed of safely and in an

environmentally friendly manner.

Attention!

Never reach into the working area of the

mowing blades when the engine is

running.

Risk of injury!

Do not stand on the mowing deck.

Danger of burns!

Do not touch hot surfaces and keep a safe

distance. Engine components, especially

mufflers, can become extremely hot.

Danger to life through poisoning!

Stop working immediately in case of

nausea, headaches, impaired vision

(e.g. decreasing field of view), hearing

problems, dizziness or decreasing power

of concentration. These symptoms may be

caused by excessively high exhaust gas

concentrations.

Danger to life!

Petrol is poisonous and extremely

inflammable. Keep petrol away from

sparks, naked flames, pilot lights, heat

sources and other ignition sources. Do not

smoke!

Before refilling the tank, stop the engine

and allow it to cool.

Risk of injury!

Noise is produced when working. Noise

may damage the hearing.

5. Description of symbols

Attention!

Read the instruction man-

ual and follow the safety

instructions before initial

use.

Risk of injury!

Remove the ignition key

before performing any work

on the cutting tool or mainte-

nance and cleaning

operations.

Attention!

Beware of objects being

thrown up - keep a safe dis-

tance and keep other people

away.

Attention!

Beware of objects being

thrown up when the engine

is running – work with the

deflector flap.

Risk of injury!

Do not drive or mow on

slopes with an incline

greater than 10° (17%).

Danger of tipping over!

Risk of injury!

Keep other people out of the

danger area.

0478 192 9812 B - EN

16

Wear hearing protection.

● Check engine oil filling level. (Ö 14.12)

● Fill fuel tank. (Ö 12.1)

● Open fuel cock. (Ö 14.8)

● Optimise tyre pressure. (Ö 14.9)

8.1 Ignition lock

Insert ignition key (1) in ignition lock (2).

The following four positions can be

selected by turning the ignition key:

Engine off:

The engine is switched off or will

be stopped. The lights are

switched off and the ignition key can be

removed.

Lights on (operation with

lights):

Running engine:

The lights are switched on and the engine

continues to run.

Engine off:

The lights are switched on.

Ignition on/engine running:

The ignition is switched on and

the lights are switched off.

Following starting, the ignition key returns

automatically to this position and the

engine continues to run.

Start engine:

When all safety-relevant points

for starting are fulfilled and the

ignition key is turned to this

position, the engine starts.

On releasing the ignition key, it returns

automatically to the "engine running"

position.

6. Standard equipment

Item Designation Qty.

A Basic unit 1

B Ignition key 2

 Instruction manual 1

 Engine instruction manual 1

7. Operations prior to initial

use

8. Controls

Note

The ignition key can only be

inserted and removed in the

"engine off" (STOP) position.

The ignition lock can only be

operated with the appropriate

ignition key.

Never use a screwdriver or similar!

Note

When the engine is stopped, a

signal tone is activated after 20

seconds in the "lights on" and

"ignition on" positions. The acoustic

signal indicates that the battery is

being discharged. To deactivate the

signal tone, turn the ignition key to

the "engine off" position or start the

engine.

ENNO

17

SVFIDAPL

0478 192 9812 B - EN

8.2 Throttle lever with choke function

(RT 4097 SX)

Choke position:

Push throttle lever (1) fully forwards into

the choke position (note detent).

Setting the engine speed:

If throttle lever (1) is pushed downwards or

upwards, the engine speed changes and,

if the mowing deck is engaged, the speed

of the mowing blades is changed.

MAX position:

If the throttle lever (1) is moved forwards

towards the MAX marking, the engine

speed is increased.

MIN position:

If the throttle lever (1) is pushed back

towards the MIN marking, the engine

speed is reduced.

8.3 Throttle lever (RT 4112 SZ)

Setting the maximum engine

speed:

If throttle lever (1) is pushed downwards or

upwards, the engine speed changes and,

if the mowing deck is engaged, the speed

of the mowing blades is changed.

MAX position:

If the throttle lever (1) is moved forwards

towards the MAX marking, the engine

speed is increased.

Note

When starting the machine when

the engine is cold, the throttle lever

on the model RT 4097 SX must be

set to the choke position.

Avoid damage to the machine!

The throttle lever must not be in the

choke position when the engine is

running. Immediately set the

throttle lever to the MAX position

after starting the engine.

Note

Only mow at the maximum engine

speed.

The throttle lever must be in the

MAX position.

Note

When starting the machine when

the engine is cold, the throttle lever

must be set to the MAX position on

the model RT 4112 SZ. The choke

knob must also be operated.

Note

Only mow at the maximum engine

speed.

The throttle lever must be in the

MAX position.

0478 192 9812 B - EN

18

MIN position:

If the throttle lever (1) is pushed back

towards the MIN marking, the engine

speed is reduced.

8.4 Choke knob (RT 4112 SZ)

For starting when the engine is cold, the

model RT 4112 SZ has an additional

choke knob.

Activating the choke:

Before starting, pull out the choke knob (1)

to the stop.

Deactivating the choke:

Press in the choke knob to the stop.

8.5 Mowing deck switch

The mowing deck can be engaged and

disengaged with the engine running by

pressing the mowing deck switch. The

mowing blades in the mowing deck begin

to rotate or are stopped.

Engaging the mowing deck:

Press the top of the mowing deck

switch (1) to the stop.

Disengaging the mowing deck:

Press the bottom of the mowing deck

switch (1) to the stop.

8.6 Reverse mowing safety switch

The reverse mowing safety switch

enables the mowing deck for

mowing in reverse driving

direction. The mowing deck is

automatically disengaged for safety

reasons if reverse mowing is not enabled.

Note

The choke knob does not need to

be pulled when starting the ride-on

mower when the engine is warm.

IMPORTANT:

As soon as the engine is running,

push the choke knob back to its

initial position.

Note

Do not engage the mowing deck in

tall grass or when set to the lowest

cutting level.

Only engage the mowing deck

when the engine is running at the

maximum engine speed.

For safety reasons, engagement is

only possible when the user is

sitting on the driver's seat (safety

device).

Strona jest ładowana ...

STIHL RT 4097.1, RT 4112.1 Instrukcja obsługi

STIHL RT 4097.1, RT 4112.1 Instrukcja obsługi

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