STIHL RT 4097.1, RT 4112.1 Ohjekirja

Kategoria
Lawnmowers
Tyyppi
Ohjekirja
STIHL RT 4097 SX, RT 4112 SZ
Instruction manual
Bruksanvisning
Bruksanvisning
Käyttöopas
Betjeningsvejledning
Instrukcja obsługi
EN
NO
SV
FI
DA
PL
RT 4097.1 SX RT 4112.1 SZ
B
0478 192 9812 B. C21. TIM-12740-001 © 2021 STIHL Tirol GmbH
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0478 192 9812 B
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0478 192 9812 B
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ENNO
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SVFIDAPL
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
0478 192 9812 B - EN
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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
copyright. All rights reserved, especially
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.
ENNO
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SVFIDAPL
0478 192 9812 B - EN
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
0478 192 9812 B - EN
6
3. Machine overview
ENNO
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SVFIDAPL
0478 192 9812 B - EN
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
8
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.
ENNO
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0478 192 9812 B - EN
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.
0478 192 9812 B - EN
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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.
ENNO
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0478 192 9812 B - EN
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.
0478 192 9812 B - EN
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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.
ENNO
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0478 192 9812 B - EN
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).
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STIHL RT 4097.1, RT 4112.1 Ohjekirja

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