EN ISO 4254-14:2016

SLOVENSKI STANDARD
01-julij-2016
Kmetijski stroji - Varnost - 14. del: Zavite bale (ISO 4254-14:2016)
Agricultural machinery - Safety - Part 14: Bale wrappers (ISO 4254-14:2016)
Landmaschinen - Sicherheit - Teil 14: Ballenwickler (ISO 4254-14:2016)
Matériel agricole - Sécurité - Partie 14: Emballeuses de balles (ISO 4254-14:2016)
Ta slovenski standard je istoveten z: EN ISO 4254-14:2016
ICS:
65.060.50 Oprema za spravilo pridelkov Harvesting equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 4254-14
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2016
EUROPÄISCHE NORM
ICS 65.060.01
English Version
Agricultural machinery - Safety - Part 14: Bale wrappers
(ISO 4254-14:2016)
Matériel agricole - Sécurité - Partie 14: Enrubanneuses Landmaschinen - Sicherheit - Teil 14: Ballenwickler
(ISO 4254-14:2016) (ISO 4254-14:2016)
This European Standard was approved by CEN on 19 December 2015.

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-CENELEC 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-CENELEC 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4254-14:2016 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC . 4
European foreword
This document (EN ISO 4254-14:2016) has been prepared by Technical Committee ISO/TC 23 “Tractors
and machinery for agriculture and forestry” in collaboration with Technical Committee CEN/TC 144
“Tractors and machinery for agriculture and forestry” the secretariat of which is held by AFNOR.
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 October 2016, and conflicting national standards shall
be withdrawn at the latest by October 2016.
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 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(s).
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 4254-14:2016 has been approved by CEN as EN ISO 4254-14:2016 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 one means of conforming to Essential
Requirements of the New Approach Directive 2006/42/EC.
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 normative
clauses of this standard confers, within the limits of the scope of this standard, a presumption of
conformity with the relevant Essential Requirements of that Directive and associated EFTA regulations.
WARNING: Other requirements and other EU Directives may be applicable to the products falling
within the scope of this standard.

INTERNATIONAL ISO
STANDARD 4254-14
First edition
2016-03-15
Agricultural machinery — Safety —
Part 14:
Bale wrappers
Matériel agricole — Sécurité —
Partie 14: Enrubanneuses
Reference number
ISO 4254-14:2016(E)
©
ISO 2016
ISO 4254-14:2016(E)
© ISO 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 List of significant hazards . 5
5 Safety requirements and/or measures . 9
5.1 General . 9
5.2 Controls . 9
5.2.1 General. 9
5.2.2 Remote controls (with cables or cableless) .10
5.2.3 Machine stop control .10
5.2.4 Safety and reliability of the controls .10
5.3 Machines with automatic mode of operation .10
5.4 Loading and unloading of bales .11
5.4.1 Visibility during loading and unloading of bales .11
5.4.2 Bale loading and unloading system .11
5.4.3 Unloading of bales .11
5.4.4 Stability .11
5.5 Maintenance and adjustments .11
5.5.1 Replacement of the plastic wrap/film .12
5.5.2 Collection of residue wrap/film .12
5.6 Stretching system .12
5.6.1 General.12
5.6.2 Stopping device .13
5.6.3 Additional requirements for wrappers with rotating platform .15
5.7 Device to cut the wrap/film .15
5.8 Noise .15
5.8.1 Noise reduction .15
5.8.2 Verification of requirements on noise based on noise emission values .15
6 Verification of the safety requirements and/or protective measures .15
7 Information for use .16
7.1 Operator’s manual.16
7.2 Marking .17
7.2.1 General.17
7.2.2 Instructional signs .17
7.2.3 Safety signs .17
Annex A (informative) Wrappers — Examples .18
Annex B (informative) Stability of the tractor-wrapper combination .20
Annex C (normative) Loading stability .21
Annex D (normative) Test methods and acceptance criteria for sensor arm (pressure
sensitive device) .25
Bibliography .30
ISO 4254-14:2016(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,
as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the
Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html
The committee responsible for this document is Technical committee ISO/TC 23, Tractors and machinery
for agriculture and forestry, Subcommittee SC 7, Equipment for harvesting and conservation.
ISO 4254 consists of the following parts, under the general title Agricultural machinery — Safety:
— Part 1: General requirements
— Part 5: Power-driven soil-working machines
— Part 6: Sprayers and liquid fertilizer distributors
— Part 7: Combine harvesters, forage harvesters and cotton harvesters
— Part 8: Solid fertilizer distributors
— Part 9: Seed drills
— Part 10: Rotary tedders and rakes
— Part 11: Pick-up balers
— Part 12: Rotary disc and drum mowers and flail mowers
— Part 13: Large rotary mowers
— Part 14: Bale wrappers
iv © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
Introduction
The structure of safety standards in the field of machinery is as follows:
a) type-A standards (basic standards) giving basic concepts, principles for design, and general aspects
that can be applied to machinery;
b) type-B standards (generic safety standards) dealing with one or more safety aspects or one or
more types of safeguards that can be used across a wide range of machinery;
— type-B1 standards on particular safety aspects (e.g. safety distances, surface temperature, noise);
— type-B2 standards on safeguards (e.g. two-hand controls, interlocking devices, pressure-
sensitive devices, guards);
c) type-C standards (machinery safety standards) dealing with detailed safety requirements for a
particular machine or group of machines.
This part of ISO 4254 is a type-C standard as stated in ISO 12100.
The machinery concerned and the extent to which hazards, hazardous situations, or hazardous events
are covered are indicated in the scope of this part of ISO 4254. These hazards are specific to mounted,
semi-mounted, and trailed bale wrappers for bales of agricultural harvesting products including
wrappers which are combined or integrated with pick-up balers.
Significant hazards that are common to all the agricultural machines (self-propelled ride-on, mounted,
semi-mounted, and trailed) are dealt with in ISO 4254-1.
When the requirements of this type-C standard are different from those which are stated in type-A or
type-B standards, the requirements of this type-C standard take precedence over the requirements of
the other standards for machines that have been designed and built according to the provisions of this
type-C standard.
INTERNATIONAL STANDARD ISO 4254-14:2016(E)
Agricultural machinery — Safety —
Part 14:
Bale wrappers
1 Scope
This part of ISO 4254, intended to be used together with ISO 4254-1, specifies the safety requirements
and their verification for the design and construction of mounted, semi-mounted, trailed, and stationary
bale wrapper for bales of agricultural harvesting products including wrappers which are combined or
integrated with pick-up balers.
It describes methods for the elimination or reduction of hazards arising from the intended use and
reasonably foreseeable misuse of these machines by one person (the operator) in the course of normal
operation and service.
In addition, it specifies the type of information on safe working practices to be provided by the
manufacturer.
NOTE 1 Requirements for self-propelled bale wrappers may be added during the next revision of this part of
ISO 4254.
NOTE 2 Examples of these machines are given in Annex A.
NOTE 3 Requirements for pick-up balers are specified in ISO 4254-11.
When requirements of this part of ISO 4254 are different from those which are stated in ISO 4254-1,
the requirements of this part of ISO 4254 take precedence over the requirements of ISO 4254-1 for
machines that have been designed and built according to the requirements of this part of ISO 4254.
This part of ISO 4254, taken together with ISO 4254-1, deals with all the significant hazards (as listed
in Table 1), hazardous situations, and events relevant to mounted, semi-mounted, and trailed bale
wrappers including wrappers which are combined with pick-up balers when they are used as intended
and under the conditions of misuse that are reasonably foreseeable by the manufacturer (see Clause 4).
This part of ISO 4254 is not applicable to the following:
— non-mobile fixed bale wrappers;
— tube/inline wrappers;
— wrapping process that concerns only the circumferential part of the bale and that occurs in the bale
chamber;
— the integrity of safety related parts of control systems with regard to the specification of
performance levels;
— environmental hazards (except noise), road safety, and hazards related to moving parts for power
transmission;
— hazards related to maintenance or repairs carried out by professional service personnel.
NOTE 4 Specific requirements related to road traffic regulations are not taken into account in this part of
ISO 4254.
This part of ISO 4254 is not applicable to machines manufactured before the date of its publication.
ISO 4254-14:2016(E)
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 3600, Tractors, machinery for agriculture and forestry, powered lawn and garden equipment —
Operator’s manuals — Content and format
ISO 3864-1, Graphical symbols — Safety colours and safety signs — Part 1: Design principles for safety
signs and safety markings
ISO 4254-1:2013, Agricultural machinery — Safety — Part 1: General requirements
ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 13849-1, Safety of machinery — Safety-related parts of control systems — Part 1: General principles
for design
ISO 13849-2:2012, Safety of machinery — Safety-related parts of control systems — Part 2: Validation
ISO 13857:2008, Safety of machinery — Safety distances to prevent hazard zones being reached by upper
and lower limbs
ISO 14982, Agricultural and forestry machinery — Electromagnetic compatibility — Test methods and
acceptance criteria
ISO 25119-1, Tractors and machinery for agriculture and forestry — Safety-related parts of control
systems — Part 1: General principles for design and development
ISO 25119-2, Tractors and machinery for agriculture and forestry — Safety-related parts of control
systems — Part 2: Concept phase
ISO 25119-3, Tractors and machinery for agriculture and forestry — Safety-related parts of control
systems — Part 3: Series development, hardware and software
ISO 25119-4, Tractors and machinery for agriculture and forestry — Safety-related parts of control
systems — Part 4: Production, operation, modification and supporting processes
ISO/TR 11688-1, Acoustics — Recommended practice for the design of low-noise machinery and
equipment — Part 1: Planning
IEC 60204-1, Safety of machinery — Electrical equipment of machines — Part 1: General requirements
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 12100, ISO 4254-1, and the
following apply.
3.1
bale wrapper
machine to wrap preformed bales of agricultural harvesting products with plastic wrap/film
3.2
stationary bale wrapper
bale wrapper (3.1), generally with its own power source, to be used in a static position, but can be
readily moved from one place to another to wrap individual bales or to form tubes of multiple bales to
be loaded by external means
Note 1 to entry: Tube/inline wrappers are not covered by this part of ISO 4254.
Note 2 to entry: See Figure A.4 as an example.
2 © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
3.3
non-mobile fixed bale wrappers
bale wrapper (3.1) designed to be used at a fixed location and is not meant to be moved from one place
to another
3.4
fixed platform
part of the machine on which the bale to be wrapped is placed and which imparts rotative motion to the
bale with rolls or belts usually around an axis parallel to the ground
Note 1 to entry: See Figure 1 as an example.
3.5
rotating platform
platform which, in addition to the rotation around an axis parallel to the ground, imparts another
rotative motion to the bale around an axis generally perpendicular to the ground
Note 1 to entry: See Figure 2 as an example.
3.6
self-loading platform
platform able to pick the bale directly from the ground and to put it directly on the ground
3.7
stretching system
system made by a number of rolls including the plastic wrap/film roll(s) that, because of different
peripheral speed, stretches the plastic wrap/film
3.8
wrapping arm
part of the machine including the stretching system (3.7) which makes the stretching system rotate
around the bale to wrap it
3.9
loading arm/system
powered activated device to pick the bale from the ground and load it on the platform
3.10
unloading system
device to unload the wrapped bale on the ground
3.11
automatic mode
machine function that consists of either repetitive work cycles or a single work cycle that, once initiated
by the intentional actuation of a control by the operator or by the machine itself, either repeats a cycle
or comes to stop at the completion of a cycle without operator intervention as a part of normal machine
operation
[SOURCE: ISO 4254-1:2013, 3.7]
3.12
work cycle
series of machine functional events that recur in succession and that either lead back to the starting
point or come to a predetermined stopping point
[SOURCE: ISO 4254-1:2013, 3.8, modified]
3.13
wireless or cable-less remote control
wireless handpiece with usually a “start” and “stop” function for an automatic cycle and a possible
further two switches for loading or unloading functions
ISO 4254-14:2016(E)
3.14
wired or cabled remote control
remote control which could be cables or an electrical control unit that has a manual switch to operate
each machine function
Key
1 bale
2 wrapping arm
3 fixed platform
Figure 1 — Fixed platform and rotation of the bale and of the wrapping arm
4 © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
Key
1 bale
2 plastic wrap film roll
3 rotating platform
Figure 2 — Rotating platform and rotations of the bale
4 List of significant hazards
Table 1 specifies the significant hazards, the significant hazardous situations, and significant hazardous
events that have been identified by risk assessment as being significant for this type of machine, covered
by this part of ISO 4254, and which may require specific action by the designer or manufacturer to
eliminate or reduce the risk.
Attention is drawn to the necessity to verify that the safety requirements specified in this part of
ISO 4254 apply to each significant hazard presented by a given machine and to validate that the risk
assessment is complete.
ISO 4254-14:2016(E)
Table 1 — List of significant hazards associated with bale wrappers including wrappers which
are combined with pick-up balers
a
N Hazard Hazardous situation/event Clause/subclause of Clause/subclause
ISO 4254-1:2013 of this part of
ISO 4254
A.1 Mechanical hazards
A.1.1 Crushing hazard — Controls 4.5.3; 5.1.3.2; 5.1.8; 6.1 —
— Power transmission 6.4 —
— Working tools 4.10 5.2; 5.3; 5.4; 5.5; 5.6;
— Service/maintenance 4.11; 4.17.1; 4.17. 3; 4.9.2; 4.9.3 5.5.1; 5.4.2
— Shearing/pinching points 5.1.4 —
— Moving the machine 5.2 5.4.3
— Stability 6.2 5.4.3; 5.4.4
— Mounting of machines 6.2.2; 6.2.3; 6.3 —
A.1.2 Shearing hazard — Controls 4.5.3; 5.1.3.2; 5.1.8; 6.1 —
— Power transmission 6.4 —
— Working tools 4.10 5.2; 5.3; 5.4.2; 5.6;
— Service/maintenance 4.11; 4.17.1; 4.17. 3; 4.9.2; 4.9.3 5.5
— Shearing/pinching points 5.1.4 —
— Moving the machine 5.2 —
— Stability 6.2 —
— Mounting of machines 6.2.2; 6.2.3; 6.3 —
A.1.3 Cutting or — Working tools 4.9.2; 4.9.3 5.7
severing hazard
A.1.4 Entanglement — Power transmission 6.4 —
hazard
— Working tools 4.9.2; 4.9.3 5.2; 5.3; 5.5; 5.6.3
A.1.5 Drawing-in or — Power transmission 6.4 —
trapping hazard
— Working tools 4.9.2; 4.9.3 5.2; 5.3; 5.6
— Service/maintenance — 5.5
A.1.6 Impact hazard — Working tools — 5.2; 5.3; 5.6
A.1.9 High-pressure — Hydraulic components 4.13; 6.5 —
fluid injection or
ejection hazard
A.2 Electrical hazards
A.2.1 Contact of — Electrical equipment 4.12; 5.3; 6.5 —
persons with
live parts
(direct contact)
A.2.2 Contact of — Electrical equipment 4.12.1 —
persons with
parts which
have become
live under faulty
conditions
(indirect contact)
a
With reference to ISO 4254-1:2013, Table A.1.
6 © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
Table 1 (continued)
a
N Hazard Hazardous situation/event Clause/subclause of Clause/subclause
ISO 4254-1:2013 of this part of
ISO 4254
A.2.4 Thermal — Electrical equipment 4.12.2; 5.3.1 —
radiation or
other phenomena
such as the
projection of
molten particles
and chemical
effects from
short circuits,
overloads, etc.
A.2.5 Electromagnetic — Electrical equipment 4.18 5.1.3
phenomena
A.3 Thermal hazards
Burns, scalds and — Operating fluids 4.15 —
other injuries by
— Hot surfaces 5.5 —
possible contact
of persons with
objects or
materials with an
extreme high or
low temperature,
by flames or
explosions and
also by the
radiation of heat
sources
A.4 Hazards generated by noise
Hearing loss — Noise 4.3 5.8
(deafness), other
physiological
disorders (e.g.
loss of balance,
loss of
awareness)
Accidents due to
interference with
speech
communication
and acoustic
warning signals
A.7 Hazards generated by neglecting ergonomic principles in machinery design
A.7.3 Neglected use of — Operator’s manual 8.2.3 —
personal
protective
equipment
A.7.4 Inadequate local — Visibility 5.1.7. 3 5.4.1
lighting
A.7.5 Mental overload — Controls 4.5 —
and under load,
stress
a
With reference to ISO 4254-1:2013, Table A.1.
ISO 4254-14:2016(E)
Table 1 (continued)
a
N Hazard Hazardous situation/event Clause/subclause of Clause/subclause
ISO 4254-1:2013 of this part of
ISO 4254
A.7.6 Human error, — Controls 4.5 5.2
human behaviour
— Operator’s manual 8.2 7.1
— Signs 8.3 —
A.7.7 Inadequate — Controls 4.5; 5.1.3; 6.1 5.2
design, location
or identification
manual controls
A.8 Combination of — Individual assemblies 4.16 —
hazards
— Operator’s manual 8.1; 8.2 7.1
A.9 Unexpected start-up, unexpected overrun/overspeed
A.9.1 Failure/disorder — Service and maintenance 4.11 —
of the control
— Electrical equipment 4.12 —
system
— Connections 6.5 —
— Control system - 5.2; 5.3
A.9.2 Restoration of — Controls 4.5; 6.1 5.3
energy supply
after an
interruption
A.9.3 External — Cables 4.12.1 —
influences on
electrical
equipment
A.9.4 Other external — Control System — 5.3
influences
(gravity, wind,
etc.)
A.9.5 Errors made by — Controls 4.5; 6.1.2 —
the operator
— Boarding means 4.7; 4.8 —
(due to mismatch
of machinery — Operator station 5.1 —
with human
— Moving the machine 5.2 —
characteristics
and abilities — Mounting of machines 6.2; 6.3 —
— Service and maintenance 4.17 —
— Operator’s manual 8.2.3 —
A.10 Impossibility of — Controls 4.5; 4.19; 6.1 5.2.3; 5.4.2
stopping the
machine in the
best possible
conditions
A.11 Variations in the — PTO drive shaft 6.4; 8.1; 8.2 —
rotational speed
— working tools — 5.6.1.4; 5.6.3
of tools
A.12 Failure of power — Supports 4.11 —
supply
— Electrical equipment 4.12 —
— Connections 6.5 —
— Hydraulic circuit — 5.4.2
a
With reference to ISO 4254-1:2013, Table A.1.
8 © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
Table 1 (continued)
a
N Hazard Hazardous situation/event Clause/subclause of Clause/subclause
ISO 4254-1:2013 of this part of
ISO 4254
A.13 Failure of the — Electrical equipment 4.12; 4.20 5.2
control circuit
A.14 Errors of fitting — Mounting of machines 6.2; 6.3 —
— Operator’s manual 8.1; 8.2 7.1
A.15 Break-up during — Guards and barriers 4.10 —
operation
— Supports 4.11 —
— Hydraulic components 4.13 —
— Pneumatic components 4.14 —
A.16 Falling or ejected — Supports 4.11 5.4
objects or fluids
— Hydraulic components 4.13 —
— Folding elements 4.9.2; 4.9.3 —
A.17 Loss of — Stability 6.2 5.4.3; 5.4.4
stability/
overturning of
machinery
a
With reference to ISO 4254-1:2013, Table A.1.
5 Safety requirements and/or measures
5.1 General
5.1.1 Machinery shall comply with the safety requirements and/or protective measures of this
subclause. In addition, the machine shall be designed in accordance with the principles of ISO 12100:2010,
Clause 4 for hazards relevant, but not significant which are not dealt with by this part of ISO 4254.
5.1.2 Except where otherwise specified in this part of ISO 4254, the machine shall comply with the
requirements of ISO 4254-1 and with ISO 13857:2008, Tables 1, 3, 4, and 6 as appropriate.
5.1.3 Machinery shall comply with ISO 14982 for evaluating the electromagnetic compatibility.
5.2 Controls
5.2.1 General
Controls shall be hold-to-run except for automatic mode (see 5.2.3).
Controls shall be designed or protected against unintended activation. Furthermore, controls shall be
in accordance with ISO 4254-1:2013, 4.5.1 and shall be consistent with the related movements of the
machine.
Controls shall be located outside the hazardous zones.
The control shall be designed in such a way that it shall not be possible for the operator to reach
unguarded moving elements while the movements are activated. This requirement is considered
fulfilled if
— the distance between manual controls and every active unguarded moving element exceeds 850 mm,
— every control can be activated only from the driver’s seat of the tractor, or
ISO 4254-14:2016(E)
— every control station shall have a machine stop control. The stop control shall be as described in
5.2.3 for machines with automatic mode. For machines without any automatic mode, the release of
the hold-to-run controls is considered as a stop control.
When manual controls require activation from the driver’s seat of the tractor, they shall be designed in
such a way that the operator can reach them. They shall
— have an adjustable position while maintaining a distance in excess of 850 mm between manual
controls and every active unguarded moving element when in the working position, or
— be situated inside the cabin.
5.2.2 Remote controls (with cables or cableless)
Remote controlled wrappers shall be designed to automatically stop if the controls are not in the run
position or if either the power supply or communication between the controls and the wrapper is
interrupted.
Remote controls and their electrical components shall comply with the provisions of IEC 60204-1.
The remote control shall
— in case of wireless or cableless, have a clear assignment of remote control and the receiver in order
to prevent operation by other than the designated remote controls, and
— be constructed so that an unintentional operation of controls that could cause dangerous movements
is prevented (e.g. protective collar, recessed button).
5.2.3 Machine stop control
The machine stop control shall be in clear contrast colour with its surrounding colour. When the
machine stop is activated, the whole machine shall stop.
This requirement does not apply to wrappers that do not have own controls, but are activated by the
tractor’s controls inside the cabin.
5.2.4 Safety and reliability of the controls
Safety-related systems and programmable control systems shall be in accordance with ISO 25119-1,
ISO 25119-2, ISO 25119-3, and ISO 25119-4 or ISO 13849-1 and ISO 13849-2.
NOTE Performance levels (or categories) in accordance with ISO 25119 or ISO 13849 will be specified at the
next revision of ISO 4254-14.
5.3 Machines with automatic mode of operation
For machines with automatic mode of operation, ISO 4254-1:2013, 4.6 applies.
For machines with remote control which are operated stationary with automatic mode of operation, an
acoustic and optical warning on the machine shall indicate the start of the movement initiated by the
automatic mode at least 3 s in advance of that movement. When the automatic mode starts, the acoustic
signal shall stop. The optical signal shall last until the automatic mode ends.
Each phase of the work cycle or an automatic operation not performed within the allowed time for that
sequence shall be considered as a failure and result in bringing automatically the work cycle or the
automatic operation to a safe state. The restart of the work cycle or the automatic operation shall be
possible only after an intentional actuation of a control located outside the hazard zone.
On machines with activated automatic mode in an operating condition with no visible moving parts and
no malfunction and in a stationary situation, the unintended activation of sensors for controlling of the
automatic mode shall be prevented.
10 © ISO 2016 – All rights reserved

ISO 4254-14:2016(E)
5.4 Loading and unloading of bales
5.4.1 Visibility during loading and unloading of bales
The operator shall have sufficient visibility (direct or indirect) of the loading and unloading operations
from the operator position.
NOTE An ISO standard regarding the assessment of field of vision of the combination tractor–machinery is
under development.
5.4.2 Bale loading and unloading system
To avoid the hazard of inadvertent lowering of the loading device during maintenance, a device in
accordance with ISO 4254-1:2013, 4.11 shall be present on the machine. If the device is a mechanical
support, this shall be not detachable.
In case of failure of the hydraulic circuit, means shall be provided to avoid unintended unloading of
the bale.
5.4.3 Unloading of bales
Unloading of the bale towards the operator shall be prevented.
In order to avoid uncontrolled movement of the bale due to an uneven ground, information shall be
provided in the operator’s manual on the need to take into account the direction of the slope when
discharging round bales and to warn operators to be aware of the risks from bales rolling downhill
when working on slopes (see 7.1.4).
When the unloading of the bale is performed automatically (e.g. without additional activation of a
control for engaging of the unloading of the bale),
— the operator shall be informed by optical and/or acoustical warning signal that the unloading of the
bale will start in a minimum of 3 s following the initiation of the warning, and
— it shall be possible for the operator to prevent the automatic unloading of bales during an automatic
mode of operation.
Stationary operated bale wrappers shall not allow unloading of bales in course of automatic mode
unless technical measures are taken to ensure that the unloading process can only be initiated when
there are no persons in the hazardous area.
For stability during unloading, see 5.4.4.
5.4.4 Stability
To minimize risk of roll over or tip over during loading or unloading of the bale, bale wrappers with
lateral or rear loading shall be designed to be stable with maximum rated bale weight on a slope of
5° with the loading device in its most unfavourable position. When stability of the tractor-wrapper
combination is dependent on the characteristics of the tractor, the manufacturer of the wrapper shall
provide the information necessary for the stability of the connected machinery to be established.
Conformity with this requirement shall be verified using the test methods described in Annex C.
When the stability of the tractor-wrapper combination requires action by the user (e.g. longitudinal
loading of a tractor with a mounted wrapper), a means of providing adequate stability shall be provided
in the information for use in the operator’s manual [see 7.1.4 d) and Annex B].
5.5 Maintenance and adjustments
It shall be possible to carry out maintenance and adjustments with the power source stopped.
ISO 4254-14:2016(E)
If this is not possible for functional reasons and the power source has to be active to carry out specific
maintenance and adjustments, this shall only be possible from outside the hazardous area and
shall not lead to a hazardous situation. Information on safety precautions shall be provided in the
operator’s manual.
5.5.1 Replacement of the plastic wrap/film
A lifting device shall be provided
— if the machine is able to be operated with wrap/film rolls having a mass of more than 30 kg, or
— if the height to which it is necessary to raise the wrap/film roll so that it can just be moved onto the
wrap/film roll carrier measured as the vertical distance between the ground or platform and the
lower edge at the lower end of the wrap/film roll is equal or greater than 1,25 m.
5.5.2 Collection of residue wrap/film
Provisions (e.g. container) shall be provided on the machine for collection of residue wrap/film.
5.6 Stretching system
5.6.1 General
5.6.1.1 Contact with rotating machinery by access into the zone of movement of the stretching system
shall be prevented by the following:
— fixed parts of the machine in accordance with 5.6.1.2;
— barriers in accordance with 5.6.1.2;
— a combination of barriers and fixed parts of the machine;
— a safety stopping device complying with the requirements specified in 5.6.2.
5.6.1.2 Barriers and fixed parts of the machine providing the protection of a barrier shall be located
such that their outer surface is at a minimum horizontal distance of 300 mm from the zone of movement
and a vertical distance of between 1 000 mm and 1 400 mm from the ground. In a horizontal plane, the
protection shall be continuous around the machine.
5.6.1.3 All actions required for normal operation (e.g. change of wrap/film) shall be possible without
the operator having to enter into the zone of motion of the stretching system. If due to functional reasons
(e.g. clearing of wrap/film disorder) the operator has to gain access into the zone of motion of the
stretching system for performing actions required in the course of normal operation, a stopping device
according to 5.6.2 shall be provided.
5.6.1.4 The risk of the stretching system wrapping a person during start-up shall be minimized. This
can be achieved by
-1
— slow start of the stretching system with a starting speed ≤10 min (r/min) for one complete rotation
for single arm stretching systems or for half rotation for multi-arm stretching systems, or
— a manually operated control when t
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