Wacker Neuson BS-4 User manual

Operator’s Manual
Rammer
BS-4
Machine Type BS50-4, BS60-4, BS70-4
Material Number 5100060095
Version 3
Date 07/2022
Language [en] 5100060095

Imprint
Publisher and copyright holder:
WackerNeusonProduktionGmbH&Co.KG
Wackerstraße 6
85084 Reichertshofen, Germany
Registered office: Reichertshofen
Register court and number: Local Court Ingolstadt, HRA3195
VAT ID No./VAT Number: DE277138620
Telephone: [phone]
www.wackerneuson.com
Original operator’s manual
All rights reserved, in particular the copyright, the right of reproduction and the right of distribution applicable
worldwide.
This document may be used by the recipient only for the designated purpose. It may in no way be duplicated or
translated in any other language, in whole or in part, without prior permission in writing from the manufacturer.
Reproduction or translation of this publication, in whole or part, is not permitted without the written consent of
Wacker Neuson Produktion GmbH & Co. KG.
Violations of legal regulations, in particular of the copyright protection, will be subject to civil and criminal prosecu-
tion.
Wacker Neuson Produktion GmbH & Co. KG reserves the right to change its products and their technical specific-
ations for further technical development at any time without any claim to changes to machines already delivered.
The information in the technical documentation supplied with the product applies in each case.
The machine on the cover is for illustration purposes only and may therefore have special equipment (options).
Wacker Neuson Produktion GmbH & Co. KG, responsibility for errors or omissions not accepted, printed in Ger-
many
Copyright © 2022

Contents
iii
[en] | 07/2022 | 5100060095 | BS-4 | Operator’s Manual
Contents
1 EC Declaration of Conformity
2 Foreword
2.1 Introduction ....................................................................................................................................... 8
2.2 Storage Location of the Operator's Manual ...................................................................................... 8
2.3 Accident Prevention Regulations ...................................................................................................... 9
2.4 Contact person.................................................................................................................................. 9
2.5 Limitation of liability......................................................................................................................... 10
2.6 Use of the operator’s manual.......................................................................................................... 10
3 Usage
3.1 Designated use ............................................................................................................................... 11
3.2 Unintended use............................................................................................................................... 11
4 Safety
4.1 Safety symbols and signal words.................................................................................................... 12
4.2 Principle .......................................................................................................................................... 12
4.3 Structual changes ........................................................................................................................... 13
4.4 Responsibility of the operator ......................................................................................................... 13
4.5 Obligations of the operator.............................................................................................................. 14
4.6 Qualification of staff ........................................................................................................................ 14
4.7 General safety instructions ............................................................................................................. 14
4.8 Specific rammer-related safety instructions .................................................................................... 16
4.9 Safety features................................................................................................................................ 17
4.10 Maintenance ................................................................................................................................... 18
5 Description of the Machine
5.1 Type plates and labels .................................................................................................................... 21
5.2 Components.................................................................................................................................... 23
5.3 Control elements............................................................................................................................. 24
6 Transportation
6.1 Safety instructions for transport ...................................................................................................... 25
6.2 Prerequisites and preparations ....................................................................................................... 25
6.3 Lifting the machine.......................................................................................................................... 25
6.4 Lashing the machine....................................................................................................................... 26
7 Commissioning
7.1 Safety instructions for operation ..................................................................................................... 27
7.2 Tests before commissioning ........................................................................................................... 28
7.3 Putting into operation ...................................................................................................................... 28
8 Operation
8.1 Operating the machine.................................................................................................................... 30
8.2 Select speed ................................................................................................................................... 31

Contents
iv Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
8.3 Taking the machine out of operation............................................................................................... 31
9 Maintenance
9.1 Safety instructions for maintenance................................................................................................ 32
9.2 Maintenance plan............................................................................................................................ 33
9.3 Maintenance work........................................................................................................................... 34
10 Troubleshooting
10.1 Troubleshooting .............................................................................................................................. 42
11 Shutdown
11.1 Temporary decommissioning.......................................................................................................... 43
11.2 Final shutdown................................................................................................................................ 43
12 Accessories
12.1 Accessories..................................................................................................................................... 44
12.2 Transport roller installation.............................................................................................................. 45
13 Technical Data
13.1 General instructions ........................................................................................................................ 46
13.2 Noise and vibration data ................................................................................................................. 46
13.3 BS ................................................................................................................................................... 46
13.4 Combustion engine ......................................................................................................................... 48

2006/42/EC•2000/14/EC•2014/30/EU•EN500-1:2006+A1:2009•EN500-4:2011
EN ISO 13766-1:2018
BS50-4_CE_en
Person responsible for technical documents
Wacker Neuson Produktion GmbH & Co. KG, Wackerstraße 6, 85084 Reichertshofen (DE)
Reichertshofen (DE), 13.06.2022
Helmut Bauer
Managing Director
Original Declaration of Conformity
Conformity assessment procedure
2000/14/EC, Annex VIII
Notified body
TÜV Rheinland LGA Products GmbH, Tillystr. 2, 90431 Nürnberg (DE) (NB 0197)
Directives and standards
We hereby declare that this product complies with the relevant provisions and requirements of the
following directives and standards:
Net installed power
2,7 kW
Measured sound power level
105 dB(A)
Guaranteed sound power level
108 dB(A)
Product type
Vibratory rammer
Function of product
Soil compaction
Material number
5100030598, 5100030599, 5100068310
EU Declaration of Conformity
Manufacturer
Wacker Neuson Produktion GmbH & Co. KG, Wackerstraße 6, 85084 Reichertshofen (DE)
This declaration of conformity is issued under the sole responsibility of the manufacturer.
Product
BS50-4

2006/42/EC•2000/14/EC•2014/30/EU•EN500-1:2006+A1:2009•EN500-4:2011
EN ISO 13766-1:2018
BS60-4_CE_en
Person responsible for technical documents
Wacker Neuson Produktion GmbH & Co. KG, Wackerstraße 6, 85084 Reichertshofen (DE)
Reichertshofen (DE), 13.06.2022
Helmut Bauer
Managing Director
Original Declaration of Conformity
Conformity assessment procedure
2000/14/EC, Annex VIII
Notified body
TÜV Rheinland LGA Products GmbH, Tillystr. 2, 90431 Nürnberg (DE) (NB 0197)
Directives and standards
We hereby declare that this product complies with the relevant provisions and requirements of the
following directives and standards:
Net installed power
2,7 kW
Measured sound power level
105 dB(A)
Guaranteed sound power level
108 dB(A)
Product type
Vibratory rammer
Function of product
Soil compaction
Material number
5100030605, 5100030606, 5100037562,
5100051581, 5100054151, 5100058869
EU Declaration of Conformity
Manufacturer
Wacker Neuson Produktion GmbH & Co. KG, Wackerstraße 6, 85084 Reichertshofen (DE)
This declaration of conformity is issued under the sole responsibility of the manufacturer.
Product
BS60-4

2006/42/EC•2000/14/EC•2014/30/EU•EN500-1:2006+A1:2009•EN500-4:2011
EN ISO 13766-1:2018
BS70-4_CE_en
Person responsible for technical documents
Wacker Neuson Produktion GmbH & Co. KG, Wackerstraße 6, 85084 Reichertshofen (DE)
Reichertshofen (DE), 13.06.2022
Helmut Bauer
Managing Director
Original Declaration of Conformity
Conformity assessment procedure
2000/14/EC, Annex VIII
Notified body
TÜV Rheinland LGA Products GmbH, Tillystr. 2, 90431 Nürnberg (DE) (NB 0197)
Directives and standards
We hereby declare that this product complies with the relevant provisions and requirements of the
following directives and standards:
Net installed power
2,7 kW
Measured sound power level
104 dB(A)
Guaranteed sound power level
108 dB(A)
Product type
Vibratory rammer
Function of product
Soil compaction
Material number
5100030610
EU Declaration of Conformity
Manufacturer
Wacker Neuson Produktion GmbH & Co. KG, Wackerstraße 6, 85084 Reichertshofen (DE)
This declaration of conformity is issued under the sole responsibility of the manufacturer.
Product
BS70-4

Foreword
2.1 Introduction
8Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
2 Foreword
2.1 Introduction
This operator’s manual contains important information and procedures for
the safe, proper and economical operation of this machine. Careful read-
ing, understanding and observing it helps to avoid hazards, reduce repair
costs and downtimes and thus increase the availability and service life of
the machine.
This operator’s manual is not a manual for extensive maintenance or re-
pair work. Such work must be carried out by the service partner or by
technically trained personnel. The machine must be operated and main-
tained in accordance with the instructions in this operator’s manual. Im-
proper operation or maintenance can cause hazards.
Defective machine parts must be replaced immediately!
The manufacturer is always available to answer questions on operation
or maintenance.
2.2 Storage Location of the Operator's Manual
This operator's manual must be kept in the immediate vicinity of the ma-
chine and accessible to personnel at all times.
If a second copy of this operator’s manual is lost or required, the following
options are available for obtaining a replacement:
• On the Internet at http://www.wackerneuson.com.
• Contact the manufacturer.
2.2.1 Understanding These Instructions
This section helps to understand the operator’s manual and the illustra-
tions used therein.
Target group
People working with this machine must be regularly trained with regard to
the dangers and risks occurring when using this machine.
This operator’s manual is aimed at:
• Operating personnel:
– These people have been instructed in working with the machine
and about possible dangers and risks arising due to improper be-
havior.
• Technically trained personnel:
– These people have a professional training as well as additional
knowledge and experience. They are capable of assessing the
tasks assigned to them and recognizing any possible risks and
dangers.
Explanation of symbols
Symbol Explanation
1., 2., 3… Indicates an activity. The sequence of the steps must be observed.

Foreword
Accident Prevention Regulations 2.3
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Symbol Explanation
⇨Indicates a result or an intermediate result of an action.
✓Indicates prerequisites that must be established for the activity.
● Indicates a list, e.g. if several components are named one after the other.
- Indicates a sub-list, e.g. if components consist of further components
I
Identifies a position, usually a component or control element, in a graphic. The numbering
may be sequential or in Roman numerals.
1; AIndicates the naming of components in explanatory texts. It is identical with the adjacent po-
sitions in the illustrations.
III
III
Indicates a direction of movement or different positions for switches.
► Indicates the avoidance of hazards in warning notices.
[▸52] Indicates a cross-reference in tables. Here e.g. reference to page 52
2.2.1.1 Explanation of symbols
The symbols used in the operator's manual are explained below. The
symbols are used exclusively in warning or environmental instructions or
information. Warnings must always be observed to protect the operator
and third parties from personal injury and damage to property.
Symbol for warning notices
This symbol marks general warnings. It is used to alert you
of possible hazards, e.g. risks of injury or accidents.
Symbol for indications of technical damage
This symbol is a warning symbol that indicates a danger of
technical damage. It is used to indicate situations where
damage to the machine or third-party property may occur.
Symbol for environmental information
This symbol indicates environmental information. It is used
to warn of possible environmental hazards.
Symbol for information
This symbol indicates information. This information can in-
clude tips on operation, for example. It helps to better un-
derstand and use the machine.
2.3 Accident Prevention Regulations
In addition to the notes and safety instructions in this operator’s manual,
the local accident prevention regulations and the national industrial safety
regulations apply.
2.4 Contact person
Depending on the country, the contact person is a service partner, a sub-
sidiary or a dealer.
• On the Internet at http://www.wackerneuson.com.
2

Foreword
2.5 Limitation of liability
10 Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
2.5 Limitation of liability
In the event of the following infringements, the manufacturer disclaims
any liability for personal injury and damage to property:
• Actions contrary to this operator’s manual.
• Non-designated use
• Deployment of untrained personnel.
• Use non-approved spare parts and accessories.
• Improper handling.
• Structural changes of any kind.
• Non-observance of the General Terms and Conditions (GTC).
2.6 Use of the operator’s manual
This operator’s manual:
• must be regarded as an integral part of the machine and must be
kept in a safe place throughout its service life.
• must be passed on to each subsequent owner or operator of this ma-
chine.
• applies to various machine types from one product range. For this
reason, some illustrations may differ from the appearance of the pur-
chased machine. Variant-dependent components that are not in-
cluded in the scope of delivery can also be described.
The manufacturer reserves the right to change the information in this op-
erator's manual without notice.
It must be ensured that any changes or additions made by the manufac-
turer are immediately incorporated into this operator’s manual.
Group - Type Material number (Mat. no.)
BS50-4As 11" 5100030599
BS50-4As 11“ 5100068310
BS60-4As 11" 5100030606
BS60-4As 11" 5100037562
BS60-4As 11“ 5100051581

Usage
Designated use 3.1
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3 Usage
3.1 Designated use
Designated use also includes observing all notes and safety instructions
in this operator’s manual and observing the prescribed care and mainten-
ance instructions.
Any other use or use that goes beyond this is considered improper use.
The manufacturer shall not be liable or liable for any damage resulting
therefrom. The risk is borne solely by the operator.
The machine is used for:
• Compaction of cohesive, mixed and granular soils.
• Soil compaction in trenches.
• Backfilling of structures.
• Use in civil engineering, gardening and landscaping.
• Asphalt compaction.
3.2 Unintended use
The manufacturer is not liable for personal injury or damage to property
resulting from unintended use. The following activities, among others, are
not intended:
• Connecting non-permitted components.
• Operating the machine outside the performance data.
• Compaction of strongly cohesive soils.
• Compaction of frozen soils.
• Compaction of hard, non-compactable soils.
• Compaction of non-load-bearing soils.
• Shaking in cobblestones.
3

Safety
4.1 Safety symbols and signal words
12 Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
4 Safety
4.1 Safety symbols and signal words
The following symbol identifies safety instructions. It is used for warning
against potential personal risk or danger.
DANGER
DANGER identifies a situation causing death or serious injury if it is
not avoided.
Consequences in case of non-observance.
► Avoidance of injury or death.
WARNING
WARNING identifies a situation that can cause death or serious in-
jury if it is not avoided.
Consequences in case of non-observance.
► Avoidance of injury or death.
CAUTION
CAUTION identifies a situation that can cause injury if it is not
avoided.
Consequences in case of non-observance.
► Avoidance of injury.
NOTICE
INFORMATION identifies a situation that causes damage if it is not
observed.
Consequences in case of non-observance.
► Avoidance of damage to property.
4.2 Principle
The machine has been designed and built in accordance with latest state-
of-the-art standards and the recognized safety regulations. Nevertheless,
improper use may result in danger to life and limb of the operator, third
parties or damage to the machine and other material property.
Read and observe the notes and safety instructions in this operator’s
manual. Failure to follow these instructions may result in electric shock,
fire and/or serious injury, and damage to the machine and/or other ob-
jects.
Keep safety instructions and information for the future.

Safety
Structual changes 4.3
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4.3 Structual changes
Structural modifications may not be made without the written consent of
the manufacturer. Unauthorized structural changes may result in hazards
to the operator and/or third parties as well as damage to the machine.
The manufacturer's liability and warranty are also void in the event of un-
authorized structural alterations.
In particular, a structural change shall be deemed to have occurred:
• When opening of the machine and permanent removal of compon-
ents.
• Installation of spare parts that do not come from the manufacturer or
are not equivalent in design and quality to the original parts.
• Attachment of accessories of any kind that do not originate from the
manufacturer.
Spare parts or accessories from the manufacturer can be installed or re-
moved safely. Further information is available on the Internet at - http://
www.wackerneuson.com.
4.4 Responsibility of the operator
The operator is the person who operates this machine himself for com-
mercial or economic purposes or who leaves it to a third party for use/ap-
plication and bears the legal product responsibility for the protection of
personnel or third parties during operation.
The operator must make the operator’s manual accessible to the person-
nel at all times and ensure that the operator has read and understood the
operator’s manual.
The operator’s manual must be kept ready to hand at the machine or at
the place of use.
The operator must hand over the operator to any other operator or sub-
sequent owner of the machine.
The country-specific regulations, standards and directives on accident
prevention and environmental protection must also be observed. The op-
erator’s manual must be supplemented by further instructions for compli-
ance with operational, official, national or generally applicable safety
guidelines.
4

Safety
4.5 Obligations of the operator
14 Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
4.5 Obligations of the operator
• Know and implement applicable health and safety regulations.
• In a risk assessment, identify hazards arising from working conditions
at the place of use.
• Create operating instructions for the operation of this machine.
• Regularly check whether the operating instructions correspond to the
current status of the regulations.
• Clearly regulate and define responsibilities for installation, operation,
troubleshooting, maintenance and cleaning.
• Train personnel at regular intervals and inform them about possible
dangers.
• Refresh instruction at regular intervals.
• Keep records of the training received and make them available to the
competent authority on request.
• Provide personnel with the necessary protective equipment.
4.6 Qualification of staff
This machine may only be put into operation and operated by trained per-
sonnel.
In the event of misuse, abuse or operation by untrained personnel, there
is a danger to the health of the operators and/or third parties, as well as
damage or total failure of the machine.
In addition, the following requirements apply to the operator:
• Physical and mental suitability.
• Minimum age 18 years.
• No influence on reactivity by drugs, alcohol or medication.
• Familiarity with the safety instructions in this operator’s manual.
• Familiarity with the intended use of this machine.
• Instructed in the independent operation of the machine.
4.7 General safety instructions
The safety instructions in this chapter contain the "General safety instruc-
tions", which must be listed in the operator’s manual in accordance with
the applicable standards. It may contain instructions which are not relev-
ant for this machine.

Safety
General safety instructions 4.7
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4.7.1 Workplace
• Before starting work, familiarize yourself with the working environ-
ment, e.g. load-bearing capacity of the floor or obstacles in the envir-
onment.
• Secure work area to public transport area.
• Necessary protection of walls and ceilings, e.g. in trenches.
• Keep unauthorized persons and children away when working with this
machine. Distraction may result in loss of control of the machine,
work must be carried out carefully.
• Always secure the machine against tipping, rolling, slipping and fall-
ing. Risk of injury!
• Keep work area tidy. Disorder or unlit work areas can lead to acci-
dents.
• Observe the changing ground conditions, especially on uneven and
soft ground or on slopes. Secure the machine against slipping!
• When working near pits, ditches or plateaus, exercise caution! The
load-bearing capacity capacity of the ground must safely carry the
weight of the machine and the operator.
4.7.2 Personal safety
• Working under the influence of drugs, alcohol or medication can lead
to serious injuries.
• Suitable protective equipment must be worn for all work. Personal
protective equipment considerably reduces the risk of injury.
• Keep wide or loose clothing, protective gloves, jewelery and long hair
away from moving machine parts. Danger of being drawn in!
• Always ensure that you are standing in a stable position, always
stand with both feet on the ground.
• During prolonged work with this machine, long-term vibration-related
damage cannot be ruled out completely. Vibration load, see Tech-
nical Data on page 46.
• Ensure that there are no other persons in the danger zone!
Personal protective equipment
WARNING
Risk of hearing damage if the country-specific noise limit is ex-
ceeded!
Working with the machine without hearing protection can lead to hearing
damage in the long-term.
► Wear ear protectors.
► Work attentively and cautiously when using hearing protection.
4

Safety
4.8 Specific rammer-related safety instructions
16 Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
4.7.3 Handling and use
• Handle machines with care. Do not operate machines whose com-
ponents or control elements are defective. Have defective compon-
ents or control elements replaced immediately. Machines with defect-
ive components or control elements entail a high risk of injury!
• Do not lock, manipulate or alter the machine operating elements in an
inadmissible manner.
• Secure unused machines against unauthorized putting into operation.
The machine may only be operated by authorized personnel.
• Handle machine with care. Have defective parts replaced immedi-
ately before this machine is commissioned. Defective machines entail
a high risk of injury.
• Use the machine, accessories, tools etc. in accordance with these in-
structions.
• After operation, store the machine in a locked, clean, frost-protected,
and dry location that is inaccessible to other persons and children.
4.8 Specific rammer-related safety instructions
4.8.1 External influences
WARNING
Fire and explosion hazard!
The use of machines in potentially explosive environments or near open
flames may result in an explosion or a fire.
► Do not operate the machine in a potentially explosive environment.
► Do not operate the machine in the vicinity of open flames.
► Do not operate the machine in oilfield environments - methane gas
leaks from the ground.
► Do not operate the machine in dry, highly flammable vegetation.

Safety
Safety features 4.9
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4.8.2 Operational safety
CAUTION
Risk of collapse and spillage!
There is a risk of injury from falling or spilling when working on fracture,
pit, dump and embankment edges, on trench edges and heels.
► Pay attention to side walls and their stability.
► Ensure stability.
• When operating the machine, make sure that no gas, water or elec-
trical lines or pipes are damaged.
• Exercise the utmost degree of caution near abysses or slopes.
• Never let the machine run unattended.
• Keep work area clear and keep unauthorized persons away.
• Make sure that persons located in the work area maintain a minimum
distance of 2 meters from the running machine.
4.8.2.1 Safety distances
Compaction work in the vicinity of buildings can lead to building damage.
Therefore, any possible effects and vibrations on surrounding buildings
must be checked in advance.
The relevant regulations and codes of practice for measuring, assessing
and reducing vibration immissions must be observed, in particular DIN
4150-3.
The manufacturer shall not be liable for any damage to buildings.
4.8.3 Conduct
If this machine is operated for a longer period of time, vibration-induced
circulatory disorders may occur in fingers, hands or wrists.
Symptoms:
• Numbness of the mentioned body parts, tingling, pain, stinging and
changes in skin color.
• In the case of a personal predisposition to poor blood circulation, the
working time can be reduced despite protective gloves and regular
breaks from work.
• If these symptoms are detected, consult a doctor immediately.
4.9 Safety features
Safety features protect the operator of this machine from being exposed
to the existing hazards. These are barriers (separating protective
devices) or other technical measures that serve to avert or reduce haz-
ards.
4

Safety
4.10 Maintenance
18 Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
WARNING
Hot exhaust!
Contact may cause burns.
► Only operate the machine if the safety features are correctly fitted.
► Do not change or remove safety devices.
1
Burn protection 1 protects the operator from contact with hot surface.
4.10 Maintenance
• The machine must not be serviced, repaired, adjusted or cleaned
when switched on.
• Observe maintenance intervals according to maintenance plan. Have
work that is not listed performed by a service partner.
• Replace worn or damaged machine parts immediately. Only use
spare parts from the manufacturer.
• Keep the machine clean.
• Replace any missing, damaged or illegible safety labels immediately.
Safety and information labels contain important information for the
protection of the operator.
• Carry out maintenance work in a clean and dry environment (e.g.
workshop).
4.10.1 Service
• Only have the machine repaired or serviced by technically trained
personnel.
• Only use original spare parts and accessories. The operational safety
of the machine is thus maintained.

Safety
Maintenance 4.10
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4.10.1.1 Threaded fittings
All threaded fittings must comply with the specified specifications and be
firmly bolted together. Observe the tightening torques! Screws and nuts
must not be damaged, bent or deformed.
Particular attention should be paid to the following:
• Self-locking nuts and micro-encapsulated screws must not be reused
after loosening. The fastening effect is lost.
• Threaded fittings with adhesive protection/liquid adhesives (e.g. Loc-
tite) must be cleaned after loosening and provided with new adhes-
ive.
Information
Observe the instructions of the liquid adhesive manufacturer.
4.10.2 Vehicle fluids
• Always wear protective goggles and gloves when handling vehicle
fluids. Seek medical advice immediately if, for example, hydraulic oil,
fuel, oil or coolant gets into the eyes.
• Avoid direct skin contact with vehicle fluids. Wash skin immediately
with soap and water.
• Do not eat or drink while working with vehicle fluids.
• Contaminated vehicle fluid (e.g. with dirt, water) can lead to prema-
ture wear or failure of the machine.
• Dispose of discharged or spilled vehicle fuel in accordance with ap-
plicable environmental regulations.
• If vehicle fluids leak from the machine, stop operating the machine
and have it repaired immediately by a service partner.
4

Safety
4.10 Maintenance
20 Operator’s Manual | BS-4 | 5100060095 | 07/2022 | [en]
4.10.3 Combustion engine
WARNING
Danger of poisoning!
Inhalation of exhaust fumes can lead to death in a few minutes. Exhaust
gases contain carbon monoxide.
► Do not operate the machine in a closed area, e.g. a tunnel.
► Unless there is adequate ventilation through exhaust fans or hoses.
• Before starting work, check the engine for leaks and cracks in the fuel
line, tank and filler cap.
• Do not start the defective motor. Replace damaged parts immedi-
ately.
• The preset engine speed must not be adjusted. This could lead to en-
gine damage.
• Ensure that the exhaust system of the engine is free of flammable
materials. Fire hazard!
• Before refueling, switch off the engine and let it cool down.
• Use the correct type of fuel. Observe the prescribed mixing ratios.
• Use clean filling aids for refueling. Do not spill fuel, wipe up spilled
fuel immediately.
• Do not start the engine near spilled fuel. Explosion hazard!
• When operating in partially enclosed rooms, sufficient ventilation
must be provided. Do not inhale exhaust gas. Danger of poisoning!
• The engine surface and exhaust system can become very hot after
only a short time. Risk of burns!
• Do not use jump start sprays. These can cause misfiring and engine
damage. Fire hazard!
• Smoking prohibited!