EN ISO 11148-4:2010

SLOVENSKI STANDARD
01-junij-2011
1DGRPHãþD
SIST EN 792-4:2000+A1:2008
1HHOHNWULþQDURþQDRURGMD9DUQRVWQH]DKWHYHGHO1HURWLUDMRþDXGDUQDRURGMD
,62
Hand-held non-electric power tools - Safety requirements - Part 4: Non­rotary percussive
power tools (ISO 11148-4:2010)
Handgehaltene nichtelektrisch betriebene Maschinen Sicherheitsanforderungen Teil 4:
Nicht drehende, schlagende Maschinen (ISO 11148-4:2010)
Machines portatives à moteur non électrique - Exigences de sécurité - Partie 4:
Machines portatives non rotatives à percussion (ISO 11148-4:2010)
Ta slovenski standard je istoveten z: EN ISO 11148-4:2010
ICS:
25.140.10 3QHYPDWLþQDRURGMD Pneumatic tools
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 11148-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2010
ICS 25.140.10 Supersedes EN 792-4:2000+A1:2008
English Version
Hand-held non-electric power tools - Safety requirements - Part
4: Non-rotary percussive power tools (ISO 11148-4:2010)
Machines portatives à moteur non électrique - Exigences Handgehaltene nicht elektrisch betriebene Maschinen -
de sécurité - Partie 4: Machines portatives non rotatives à Sicherheitsanforderungen - Teil 4: Schlagende, nicht
percussion (ISO 11148-4:2010) drehende Maschinen (ISO 11148-4:2010)
This European Standard was approved by CEN on 30 September 2010.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11148-4:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .3
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC .4

Foreword
This document (EN ISO 11148-4:2010) has been prepared by Technical Committee ISO/TC 118
"Compressors and pneumatic tools, machines and equipment" in collaboration with Technical Committee
CEN/TC 255 “Hand-held, non-electric power tools - Safety” the secretariat of which is held by SIS.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by April 2011, and conflicting national standards shall be withdrawn at the
latest by April 2011.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 792-4:2000+A1:2008.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive.
For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 11148-4:2010 has been approved by CEN as a EN ISO 11148-4:2010 without any
modification.
Annex ZA
(informative)
Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC
This European Standard has been prepared under a mandate given to CEN by the European Commission
and the European Free Trade Association to provide a means of conforming to Essential Requirements of the
New Approach Directive 2006/42/EC on machinery.
Once this standard is cited in the Official Journal of the European Union under that Directive and has been
implemented as a national standard in at least one Member State, compliance with the clauses of this
standard confers, within the limits of the scope of this standard, a presumption of conformity with the
corresponding Essential Requirements of that Directive except ER 1.5.7 and associated EFTA regulations.
WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling
within the scope of this standard.

INTERNATIONAL ISO
STANDARD 11148-4
First edition
2010-10-01
Hand-held non-electric power tools —
Safety requirements —
Part 4:
Non-rotary percussive power tools
Machines portatives à moteur non électrique — Exigences de
sécurité —
Partie 4: Machines portatives non rotatives à percussion

Reference number
ISO 11148-4:2010(E)
©
ISO 2010
ISO 11148-4:2010(E)
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ii © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.2
3 Terms and definitions .3
3.1 General definitions .3
3.2 Definitions related to non-rotary percussive power tools .4
4 Safety requirements and/or protective measures.4
4.1 General .4
4.2 Mechanical safety.5
4.3 Thermal safety .5
4.4 Noise.5
4.5 Vibration .6
4.6 Materials and substances processed, used or exhausted.6
4.7 Ergonomics and design of the handle .7
4.8 Controls.7
5 Verification .8
5.1 General conditions for tests.8
5.2 Noise.8
5.3 Vibration .8
5.4 Unintentional start.8
5.5 Power tool construction .9
5.6 Structure of verification of safety requirements .9
6 Information for use.10
6.1 Marking, signs and written warnings .10
6.2 Instruction handbook.10
6.3 Operating instructions.16
6.4 Data.16
6.5 Maintenance instructions .17
Annex A (informative) List of significant hazards .18
Annex B (informative) Examples of non-rotary percussive power tools covered by this part of
ISO 11148.19
Annex C (normative) Symbols for labels and signs.23
Annex D (normative) Additional safety requirements related to internal combustion engine power
tools .24
Bibliography.28

ISO 11148-4:2010(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 11148-4 was prepared by Technical Committee ISO/TC 118, Compressors and pneumatic tools,
machines and equipment, Subcommittee SC 3, Pneumatic tools and machines.
ISO 11148 consists of the following parts, under the general title Hand-held non-electric power tools — Safety
requirements:
⎯ Part 1: Assembly power tools for non-threaded mechanical fasteners
⎯ Part 2: Cutting-off and crimping power tools
⎯ Part 3: Drills and tappers
⎯ Part 4: Non-rotary percussive power tools
⎯ Part 5: Rotary percussive drills
⎯ Part 6: Assembly power tools for threaded fasteners
⎯ Part 7: Grinders
⎯ Part 8: Sanders and polishers
⎯ Part 9: Die grinders
⎯ Part 10: Compression power tools
⎯ Part 11: Nibblers and shears
⎯ Part 12: Circular, oscillating and reciprocating saws
A part 13, dealing with fastener driving tools, is under preparation.
iv © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
Introduction
This document is a type C standard as stated in ISO 12100.
The machinery concerned and the extent to which hazards, hazardous situations and events are covered are
defined in the Scope of this part of ISO 11148.
When provisions of this type C standard are different from those that are stated in type A or B standards, the
requirements of this type C standard take precedence over the requirements of other standards for machines
that have been designed and built according to the requirements of this type C standard.
ISO 11148 consists of a number of independent parts for individual types of hand-held, non-electric power
tools.
Certain elements of this part of ISO 11148 cover hand-held non-electric power tools, driven by internal
combustion engines powered by gaseous or liquid fuel. In these parts, the safety aspects relating to internal
combustion engines are found in a normative annex.
The parts are type C standards and refer to pertinent standards of types A and B where such standards are
applicable.
INTERNATIONAL STANDARD ISO 11148-4:2010(E)

Hand-held non-electric power tools — Safety requirements —
Part 4:
Non-rotary percussive power tools
IMPORTANT — The electronic file of this document contains colours that are considered useful for the
correct understanding of the document. Users should consider printing this document using a colour
printer. ISO 3864-1 provides colorimetric and photometric properties together with, as a guideline,
references from colour order systems.
1 Scope
This part of ISO 11148 applies to hand-held non-electric power tools (hereafter referred to as “non-rotary
percussive power tools”) intended for chipping, riveting, breaking of concrete and asphalt, ramming, etc. The
non-rotary percussive power tool can be powered by compressed air, hydraulic fluid or internal combustion
engines and is intended for use by one operator and supported by the operator's hand or hands, with or
without a suspension, e.g. a balancer.
This part of ISO 11148 covers
⎯ breakers;
⎯ bush hammers;
⎯ chipping hammers;
⎯ small chisels;
⎯ engraving pens;
⎯ needle scalers;
⎯ pick hammers;
⎯ pile drivers;
⎯ portable pile drivers;
⎯ punches;
⎯ rammers;
⎯ riveting hammers;
⎯ scaling hammers;
⎯ stone hammers;
⎯ spades;
⎯ tampers.
NOTE 1 For examples of non-rotary percussive power tools, see Annex B.
ISO 11148-4:2010(E)
This part of ISO 11148 does not cover special requirements and modifications on non-rotary percussive power
tools for the purpose of mounting in a fixture.
This part of ISO 11148 deals with all significant hazards, hazardous situations or hazardous events when the
tools are used as intended and under conditions of misuse which are reasonably foreseeable by the
manufacturer, with the exception of the use of non-rotary percussive power tools in potentially explosive
atmospheres.
NOTE 2 EN 13463-1 gives requirements for non-electrical equipment for potentially explosive atmospheres.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 3857-3, Compressors, pneumatic tools and machines — Vocabulary — Part 3: Pneumatic tools and
machines
ISO 3864-2, Graphical symbols — Safety colours and safety signs — Part 2: Design principles for product
safety labels
ISO 4871, Acoustics — Declaration and verification of noise emission values of machinery and equipment
ISO 5391, Pneumatic tools and machines — Vocabulary
ISO 7000, Graphical symbols for use on equipment — Index and synopsis
ISO 9158, Road vehicles — Nozzle spouts for unleaded gasoline
ISO 9159, Road vehicles — Nozzle spouts for leaded gasoline and diesel fuel
ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 13732-1, Ergonomics of the thermal environment — Methods for the assessment of human responses to
contact with surfaces — Part 1: Hot surfaces
ISO 13732-3, Ergonomics of the thermal environment — Methods for the assessment of human responses to
contact with surfaces — Part 3: Cold surfaces
ISO 15744, Hand-held non-electric power tools — Noise measurement code — Engineering method (grade 2)
ISO 17066, Hydraulic tools — Vocabulary
ISO 28927-6, Hand-held portable power tools — Test methods for evaluation of vibration emission —
Part 6: Rammers
ISO 28927-9, Hand-held portable power tools — Test methods for evaluation of vibration emission —
Part 9: Scaling hammers and needle scalers
ISO 28927-10, Hand-held portable power tools — Test methods for evaluation of vibration emission —
Part 10: Percussive drills, hammers and breakers
EN 12096, Mechanical vibration — Declaration and verification of vibration emission values
2 © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 12100, ISO 3857-3, ISO 5391 and
ISO 17066 (for hydraulic tools), and the following apply.
3.1 General definitions
3.1.1
hand-held power tool
machine operated by one or two hands and driven by rotary or linear motors powered by compressed air,
hydraulic fluid, gaseous or liquid fuel, electricity or stored energy (e.g. by a spring) to do mechanical work and
so designed that the motor and the mechanism form an assembly that can easily be brought to its place of
operation
NOTE Hand-held power tools driven by compressed air or gas are called pneumatic tools (or air tools). Hand-held
power tools driven by hydraulic liquid are called hydraulic tools.
3.1.2
inserted tool
tool inserted in the non-rotary percussive power tool to perform the intended work
3.1.3
service tool
tool intended for performing maintenance or service on the non-rotary percussive power tool
3.1.4
control device
device to start and stop the non-rotary percussive power tool or to change the direction of the rotation or to
control the functional characteristics, such as speed and power
3.1.5
start-and-stop device
throttle
manually operated control on the non-rotary percussive power tool by which the energy supply to the motor
can be turned on and off
3.1.6
hold-to-run start-and-stop device
constant-pressure throttle
start-and-stop device that automatically returns to the OFF position when force on the start-and-stop device
actuator is released
3.1.7
lock-on start-and-stop device
constant-pressure throttle with instant release lock
hold-to-run start-and-stop device that can be locked in the ON position and designed so that it permits the
non-rotary percussive power tool to be turned off by a single motion of the same finger or fingers used to turn
it on
3.1.8
lock-off start-and-stop device
lock-off throttle
start-and-stop device that automatically latches in the OFF position when the actuator is released and where
two motions are required to energize the non-rotary percussive power tool
3.1.9
positive on-off start-and-stop device
positive on-off throttle
start-and-stop device that remains in an ON position until it is manually changed
ISO 11148-4:2010(E)
3.1.10
maximum operating pressure
maximum pressure at which a non-rotary percussive power tool may be operated
3.1.11
whip hose
air hose connecting the main air hose with an air tool for the purpose of providing more flexibility
3.1.12
rated air pressure
air pressure, required at an air tool inlet port to assure rated performance of the tool, also considered the
maximum pressure at which the tool may be operated
3.1.13 Rated speed
3.1.13.1
rated speed
〈pneumatic tool〉 speed of an air tool at no load and rated air pressure at the tool inlet port
NOTE The rated speed is expressed in revolutions per minute.
3.1.13.2
rated speed
〈hydraulic tool〉 nominal speed of a hydraulic tool at no load and rated flow at the tool inlet port
NOTE The rated speed is expressed in revolutions per minute.
3.1.14
maximum attainable speed
maximum speed which the tool can achieve under the most adverse condition of possible maladjustment or
malfunction of its speed control devices, when supplied with compressed air at the pressure marked on the
non-rotary percussive power tool
3.1.15
suspension device
device, which is attached to the tool, whose primary purpose is to reduce the strain on the operator caused by
the weight of the tool
NOTE The device may also have a secondary purpose of transmitting a reaction torque.
3.2 Definitions related to non-rotary percussive power tools
3.2.1
non-rotary percussive power tool
power tool that delivers a series of percussive blows without rotary action of the inserted tool
4 Safety requirements and/or protective measures
4.1 General
The machine shall comply with the following safety requirements and/or protective measures and be verified
in accordance with Clause 5. In addition, the machine shall be designed in accordance with the principles of
ISO 12100 for the relevant, but not necessarily significant, hazards, which are dealt with by this part of
ISO 11148.
The measures adopted to comply with the requirements of Clause 4 shall take account of the state-of-the-art.
It is recognized that optimizing the design with respect to some safety measures can result in a degradation of
performance against other safety requirements. In such cases, it is required to strike a balance between the
various requirements in order to achieve a drill or tapper design that satisfies each requirement, so far as is
reasonably practicable, and remains fit for purpose.
4 © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
4.2 Mechanical safety
4.2.1 Surfaces, edges and corners
Accessible parts of non-rotary percussive power tools, except the inserted tool, shall not have sharp edges or
angles or rough or abrasive surfaces; see ISO 12100:2010, 6.2.2.1
4.2.2 Supporting surface and stability
The non-rotary percussive power tool shall be designed such that it can be laid aside and remain in a stable
position on a plane surface.
4.2.3 Ejection of parts
Integral with or installed on a non-rotary percussive power tool shall be a retainer, without which the inserted
tool has the possibility of being ejected when it is operated off a work surface.
4.2.4 Hydraulic fluid ejection
Hydraulic systems of the non-rotary percussive power tools shall be enclosed so as to give protection against
high-pressure fluid ejection.
4.2.5 Guards
Guards covering the inserted tool are not required.
4.2.6 Power tool construction
The non-rotary percussive power tool shall be so designed and constructed as to prevent the loosening or
loss of components during expected use, including rough handling and occasional dropping, which can
compromise its safety functions.
4.3 Thermal safety
Surface temperatures of parts of the non-rotary percussive power tools that are held during use or that can be
inadvertently touched shall follow the provisions of ISO 13732-1 and ISO 13732-3.
Pneumatic tools shall be designed to avoid the cooling effects of exhaust air on the handles and other gripping
zones.
4.4 Noise
The non-rotary percussive power tool shall be designed and constructed so that the emission of noise is
reduced to the lowest level, taking account of technical progress and the availability of means of reducing
noise, in particular at source. Principles for designing non-rotary percussive power tools with reduced noise
emission are contained in ISO/TR 11688-1 and ISO/TR 11688-2.
The noise emission from using non-rotary percussive power tools has three main sources:
⎯ the non-rotary percussive power tool itself;
⎯ the inserted tool;
⎯ the workpiece.
NOTE 1 Generally, the noise emitted due to the characteristics of the workpiece cannot be controlled directly by the
manufacturer of the non-rotary percussive power tool.
ISO 11148-4:2010(E)
Typical sources of noise emitted by the non-rotary percussive power tool itself are
a) the motor and drive mechanism;
b) the exhaust air or gases;
c) vibration- or impact-induced noise.
Where the exhaust air or gases are the major contributor to the noise, means to reduce the noise, for example
a silencer or equivalent means, shall be included in the design.
NOTE 2 Alternatively, where practicable, the exhaust air or gases can be piped away from the operator in a hose.
Vibration-induced noise can often be reduced by vibration isolation and damping.
This list is not exhaustive; where alternative technical measures for noise reduction, with greater efficiency,
are available, they should be used by the manufacturer.
4.5 Vibration
The non-rotary percussive power tool shall be designed and constructed so that the vibration is reduced to the
lowest level at the handles, and at any other parts of the tool in contact with the operator’s hands, taking
account of technical progress and the availability of means of reducing vibration, in particular at the source.
Principles for designing non-rotary percussive power tools with reduced vibration emission are contained in
CR 1030-1.
Typical sources of vibration emitted by a non-rotary percussive power tool are
⎯ impacts;
⎯ poorly designed motors,
⎯ resonances in the structure of the machine, particularly the handles and their mounts.
The following design features have been found effective and should be considered by manufacturers when
designing non-rotary percussive power tools:
a) reaction masses and springs;
b) increasing inertia;
c) isolated casing or handles.
This list is not exhaustive; where alternative technical measures for vibration reduction, with greater efficiency,
are available, they should be used by the manufacturer.
4.6 Materials and substances processed, used or exhausted
4.6.1 Exhaust air or gas
Non-rotary percussive power tools driven with compressed air or gas, or an internal combustion engine shall
be designed in such a way that exhaust air or gases are directed so as not to cause a hazard to the operator
and so that any other effects, such as blowing the dust and reflected air or gas from the workpiece onto the
operator, are minimized.
6 © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
4.6.2 Dust and fumes
So far as is reasonably practicable, the non-rotary percussive power tool shall be designed to facilitate the
collection and removal or suppression of airborne dust particles and fumes generated by the work process.
The user instructions shall include sufficient information to enable adequate control of the risks from dust and
fumes.
4.6.3 Lubricants
When specifying lubricants, the manufacturer shall take environmental and occupational health aspects into
account.
4.7 Ergonomics and design of the handle
The gripping areas of the non-rotary percussive power tools shall be designed to provide a convenient,
effective means for the operator to exercise full control over the non-rotary percussive power tool.
Handles and other parts used for gripping the non-rotary percussive power tool shall be designed to ensure
that the operator is able to grip the non-rotary percussive power tool correctly and to perform the expected
work. Handles shall suit the functional anatomy of the hand and the dimensions of the hands of the operator
population.
NOTE Further guidance on ergonomic design principles can be found in EN 614-1.
Non-rotary percussive power tools having a mass greater than 2 kg (including the inserted tool) shall be
capable of being supported by two hands whilst being lifted or operated.
The grip shall be such that normal feed force can be transmitted in an ergonomic way from the hand of the
operator to the non-rotary percussive power tool.
4.8 Controls
4.8.1 Start-and-stop device
Non-rotary percussive power tools shall be equipped with a single control device to start and/or stop them. It
shall be adapted to the handle, or to the part of the non-rotary percussive power tool being gripped, so that it
can be held comfortably in the run position, and so that the operator can activate it without releasing the grip
on the handles.
Start-and-stop-devices shall be so designed that the inserted tool ceases to be powered when the start-and-
stop device is released. Without manual effort and when completely released, the device shall move to the
stop position, i.e. shall be of the hold-to-run type.
Start-and-stop devices shall be in the stop position or immediately move to the stop position when the
assembly non-rotary percussive power tool for threaded fasteners is connected to the energy supply.
It shall not be possible to lock the start-and-stop device in the running position.
There are two exceptions.
a) A small engraving tool may be equipped with a positive on-off throttle.
b) A scaler whose chisel is integral with or fixed to the piston such that the piston-chisel cannot be expelled
may be equipped with a positive on-off throttle.
ISO 11148-4:2010(E)
4.8.2 Unintentional start
The start-and-stop device shall be designed, positioned or guarded such that the risk of unintentional start is
minimized. Verification shall be made in accordance with 5.4.
4.8.3 Actuating forces
For non-rotary percussive power tools that are intended for frequent starts or for use with precision work, the
actuating force shall be small.
For non-rotary percussive power tools that are normally used in operations of long duration, the force to keep
the start device in the run position should be small.
NOTE For further information on trigger forces for control devices, see EN 894-3.
5 Verification
5.1 General conditions for tests
Tests according to this part of ISO 11148 are type tests.
5.2 Noise
The noise-emission values shall be measured and reported in accordance with ISO 15744. The noise-
emission values and their uncertainties shall be declared in accordance with ISO 4871.
Compliance with 4.4 may be verified through a comparison of the noise emission values with those for other
machines of the same family, or with machines of similar size and performance characteristics.
5.3 Vibration
The vibration total value for non-rotary percussive power tools shall be measured and reported in accordance
with ISO 28927-6 for rammers, ISO 28927-9 for hammers and breakers or ISO 28927-10 for scaling hammers
and needle scalers.
The vibration-emission value and its uncertainty shall be declared in accordance with EN 12096.
Compliance with 4.5 may be verified through a comparison of the vibration-emission values with those for
other machines of the same family, or with machines of similar size and performance characteristics.
5.4 Unintentional start
Compliance with 4.8.2 shall be verified for non-rotary percussive power tools up to 15 kg as follows.
The retainer shall be mounted and not removed.
The non-rotary percussive power tool shall be connected to the energy supply and placed and maintained in
any possible position and pulled over a horizontal plane by its hose.
Operation of the start-and-stop device shall not occur.
8 © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
5.5 Power tool construction
Except for breakers, compliance with 4.2.6 shall be verified by dropping a sample non-rotary percussive
power tool three times onto a concrete surface from a height of 1 m without affecting its operational and safety
functions. The sample shall be positioned to vary the point of impact.
5.6 Structure of verification of safety requirements
Table 1 — Structure of verification
Safety requirement Visual check Functional Measurement Reference
check [to subclause(s) of this part of
ISO 11148 or to other standards]
4.2.1 X — — —
Surfaces, edges and corners
4.2.2 X X — —
Supporting surface and stability
4.2.3 X — — —
Ejection of parts
4.2.4 X — — —
Hydraulic fluid ejection
4.2.6 — X — 5.5
Power tool construction
4.3 — X X ISO 13732-1
Thermal safety ISO 13732-3
4.4 — — X ISO 15744
Noise 5.2
4.5 — — X ISO 28927-6
Vibration ISO 28927-9
ISO 28927-10
5.3
4.6.1 — X — —
Exhaust air or gas
4.6.2 X X — —
Dust and fumes
4.7 X — — —
Ergonomics and design
of the handle
4.8.1 — X — —
Start-and-stop device
4.8.2 X X — 5.4
Unintentional start
4.8.3 X X — —
Actuating forces
ISO 11148-4:2010(E)
6 Information for use
6.1 Marking, signs and written warnings
Non-rotary percussive power tools shall be marked visibly, legibly and indelibly with the following information:
⎯ name and full address of the manufacturer and, where applicable, his/her authorized representative;
NOTE 1 The address can be simplified if there is not really enough room on small machines, as long as the
manufacturer (and, where applicable, his/her authorized representative) can always be identified so that mail is able to
reach the company.
⎯ designation of series or type;
NOTE 2 The designation of the tool can be achieved by a combination of letters and numbers.
⎯ serial number or batch number;
⎯ year of construction, that is the year in which the manufacturing process is completed;
⎯ for pneumatic non-rotary percussive power tools:
⎯ rated air pressure marked as (max.);
⎯ for hydraulic non-rotary percussive power tools:
⎯ the nominal pressure and flow,
⎯ the maximum allowable setting for the pressure relief valve.
Non-rotary percussive power tools shall be permanently marked with a graphical symbol in accordance with
Annex C showing that the operator's instructions shall be read before work starts.
6.2 Instruction handbook
6.2.1 General
For the information that is being provided to the user, the content of Clause 6 together with ISO 12100:2010,
6.4.5.2 and 6.4.5.3, apply.
The information provided by the manufacturer is an important, but not exclusive basis, for safe use of the
non-rotary percussive power tool. It shall provide sufficient information for the end user to perform an initial
risk assessment.
The hazards identified in 6.2.2.4 to 6.2.2.11 are foreseeable in the general use of non-rotary percussive power
tools. The information provided with the non-rotary percussive power tool shall state that the user or the user’s
employer should assess the specific risks that can be present as a result of each use.
The instruction handbook shall contain information relating to at least the following:
⎯ name and address of the manufacturer or supplier or any other agent responsible for placing the non-
rotary percussive power tool on the market;
⎯ designation of the series or type;
⎯ operating instructions; see 6.3;
10 © ISO 2010 – All rights reserved

ISO 11148-4:2010(E)
⎯ information on noise emission; see 6.4.2;
⎯ information on vibration transmitted to the hands of the operator; see 6.4.3;
⎯ maintenance instructions; see 6.5;
⎯ explanations of any symbols marked on the non-rotary percussive power tool; see Annex C;
⎯ information about residual risks and how to control them.
6.2.2 Operator's instructions
6.2.2.1 Statement of use
The operator's instructions shall include a description of the correct use of the non-rotary percussive power
tool and make reference to the appropriate inserted tools. The operator's instructions shall state that any other
use is forbidden. Foreseeable misuse of the non-rotary percussive power tool, which experience has shown to
occur, shall be warned against.
6.2.2.2 Allowance for user
The operator's instructions shall be written primarily for professional users. Where a tool can be used by non-
professional users, additional information for use shall be provided.
6.2.2.3 General safety rules
Warnings shall be given with regard to significant hazards arising from or associated with the use of the non-
rotary percussive power tool.
The following is a non-exhaustive list. Manufacturers may add additional warnings.
⎯ For multiple hazards, read and understand the safety instructions before installing, operating, repairing,
maintaining, changing accessories on, or working near the non-rotary percussive power tool. Failure to do
so can result in serious bodily injury.
⎯ Only qualified and trained operators should install, adjust or use the non-rotary percussive power tool.
⎯ Do not modify this non-rotary percussive power tool. Modifications can reduce the effectiveness of safety
measures and increase the risks to the operator.
⎯ Do not discard the safety instructions; give them to the operator.
⎯ Do not use the non-rotary percussive power tool if it has been damaged.
⎯ Tools shall be inspected periodically to verify the ratings and markings required by this part of ISO 11148
are legibly marked on the tool. The employer/user shall contact the manufacturer to obtain replacement
marking labels when necessary.
6.2.2.4 Projectile hazards
The following apply.
⎯ Disconnect the non-rotary percussive power tool from the energy source when changing inserted tool or
accessories.
⎯ Be aware that failure of the workpiece, or accessories, or even of the inserted tool itself can generate
high-velocity projectiles.
ISO 11148-4:2010(E)
⎯ Always wear impact-resistant eye protection during the operation of the non-rotary percussive power tool.
The grade of protection required should be assessed for each use.
⎯ For overhead work, wear a safety helmet.
⎯ The risks to others should also be assessed at this time.
⎯ Ensure that the workpiece is securely fixed.
⎯ Never operate a tool unless the inserted tool is retained in the tool with a proper retainer.
⎯ To avoid injury, retainer parts shall be replaced when they become worn, cracked or distorted.
⎯ Hold the inserted tool firmly against the work surface before starting the tool.
6.2.2.5 Operating hazards
The following apply.
⎯ Use of the tool can expose the operator's hands to hazards, including impacts, cuts and abrasions and
heat. Wear suitable gloves to protect the hands.
⎯ Operators and maintenance personnel shall be physically able to handle the bulk, weight and power of
the tool.
⎯ Hold the tool correctly; be ready to counteract normal or sudden movements and have both hands
available.
⎯ Maintain a balanced body position and secure footing.
⎯ Release the start-and-stop device in the case of an interruption of the energy supply.
⎯ Use only lubricants recommended by the manufacturer.
⎯ Avoid direct contact with the inserted tool during and after use as it can become hot.
⎯ Personal protective safety glasses shall be used; suitable gloves and protective clothing are
recommended.
6.2.2.6 Repetitive motions hazards
The following apply.
⎯ When using a non-rotary percussive power tool to perform work-related activities, the operator can
experience discomfort in the hands, arms, shoulders, neck or other parts of the body.
⎯ While using a non-rotary percussive power tool, the operator should adopt a comfortable posture whilst
maintaining a secure footing and avoiding awkward off-balanced postures. The operator should change
posture during extended tasks, which can help avoid discomfort and fatigue.
⎯ If the operator experiences symptoms, such as persistent or recurring discomfort, pain, throbbing, aching,
tingling, numbness, burn
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