Source: https://www.scribd.com/document/273751228/lvs-en-474-4-2012
Timestamp: 2019-04-20 18:56:37+00:00
Document Index: 77580603

Matched Legal Cases: ['art 4', 'art 1', 'art 2', 'art 3', 'art 4', 'art 5', 'art 6', 'art 7', 'art 8', 'art 9', 'art 10', 'art 11', 'art 12', 'art 1', 'art 1', 'art 1', 'art.1', 'art 1', 'art 2']

lvs.en.474.4.2012 | Loader (Equipment) | Elevator
Requerimientos para retrocargadores
420D - RENR7783RENR7783-02_SIS.pdf
Side Discharge Loader.pdf
manual de botcat.pdf
Tiempo de Engranes
EN 474-4:2006+A2
Supersedes EN 474-4:2006+A1:2009
Earth-moving machinery - Safety - Part 4: Requirements for
Engins de terrassement - Sécurité - Partie 4: Prescriptions
applicables aux chargeuses-pelleteuses
Erdbaumaschinen - Sicherheit - Teil 4: Anforderungen für
This European Standard was approved by CEN on 17 April 2006 and includes Amendment 1 approved by CEN on 20 December 2008 and
Amendment 2 approved by CEN on 22 November 2011.
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
Ref. No. EN 474-4:2006+A2:2012: E
EN 474-4:2006+A2:2012 (E)
LVS EN 474-4+A2:2012 (E)
Introduction .........................................................................................................................................................4
Terms and definitions ...........................................................................................................................6
List of additional significant hazards ..................................................................................................6
Safety requirements and/or measures ................................................................................................6
General ....................................................................................................................................................6
Protection ...............................................................................................................................................6
Operator's station ..................................................................................................................................7
Warning devices ....................................................................................................................................8
Stability ...................................................................................................................................................8
Travelling and transportation ............................................................................................................ 13
Information for use ............................................................................................................................. 13
Annex A (normative) List of additional significant hazards – Backhoe loaders ...................................... 14
Annex B (normative) Test method for backhoe loader lift capacity at the backhoe portion .................. 16
Annex C (informative) Illustrations ............................................................................................................... 19
Annex ZA (informative) !Relationship between this European Standard and the Essential
" .................................................................................. 22
Bibliography ..................................................................................................................................................... 23
Figure 1 — Deflection-limiting volume (DLV), front view .............................................................................. 7
Figure 2 — Load centre distance ................................................................................................................... 10
Figure C.1 — Wheel backhoe loader.............................................................................................................. 19
Figure C.2 — Compact wheel backhoe loader .............................................................................................. 19
Figure C.3 — Crawler backhoe loader ........................................................................................................... 20
Figure C.4 — Backhoe loader with pole erecting attachment ..................................................................... 20
Figure C.5 — Backhoe loader with earth drill ............................................................................................... 20
Table 1 — Stability factors in fork application ................................................................................................ 9
Table 2 — Load centre distance ..................................................................................................................... 10
Table 3 — Stability factors in log handling ................................................................................................... 10
Table A.1 — List of additional significant hazards ....................................................................................... 14
the national standards organizations of the following countries are bound to implement this European Standard: Austria. approved by CEN on 2008-12-20 and Amendment 2. #For relationship with EU Directive(s). Germany. Greece. Luxembourg. France. and conflicting national standards shall be withdrawn at the latest by July 2012. Switzerland. Bulgaria. Norway. Latvia. Sweden. This document includes Amendment 1. at the latest by July 2012. the secretariat of which is held by DIN. EN 474 "Earth-moving machinery — Safety" comprises the following parts:  Part 1: General requirements  Part 2: Requirements for tractor-dozers  Part 3: Requirements for loaders  Part 4: Requirements for backhoe-loaders  Part 5: Requirements for hydraulic excavators  Part 6: Requirements for dumpers  Part 7: Requirements for scrapers  Part 8: Requirements for graders  Part 9: Requirements for pipelayers  Part 10: Requirements for trenchers  Part 11: Requirements for earth and landfill compactors  Part 12: Requirements for cable excavators This European Standard is intended for use in combination with Part 1 of the series. and supports essential requirements of EU Directive. Romania. Czech Republic. Lithuania.$ For bibliographic references. Netherlands. Ireland.LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) Foreword This document (EN 474-4:2006+A2:2012) has been prepared by Technical Committee CEN/TC 151 “Construction equipment and building material machines — Safety”. Cyprus. Iceland. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! " and #$. Malta. This European Standard shall be given the status of a national standard. Belgium. Denmark. Slovakia. Croatia. approved by CEN on 2011-11-22. Finland. Slovenia. Portugal. Turkey and the United Kingdom. which is an integral part of this document. Estonia. Spain. either by publication of an identical text or by endorsement. According to the CEN/CENELEC Internal Regulations. Hungary. 3 3 . This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. see informative Annex ZA. This document supersedes #EN 474-4:2006+A1:2009$. Poland. Italy. see !EN 474-1:2006+A1:2009".
the provisions of this type C standard take precedence over the provisions of the other standards. 4 4 .EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) Introduction This part of EN 474 is a type C standard as stated in EN ISO 12100-1:2003. When provisions of this type C standard are different from those which are stated in type A or B standards. for machines that have been designed and built according to the provisions of this type C standard. The machinery concerned and the extent to which hazards. hazardous situations and events are covered are indicated in the scope of this European Standard.
Earth-moving machinery — Laboratory evaluation of operator seat vibration (ISO 7096:2000) EN ISO 12100-1:2003. This part specifies the appropriate technical measures to eliminate or reduce risks arising from the significant hazards. Safety of machinery — Basic concepts. object handling application and log handling. Fork-lift trucks — Fork arms — Technical characteristics and testing !ISO 6016:2008". general principles for design — Part 1: Basic terminology. when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4). This part also deals with fork application. Earth-moving machinery — Methods of measuring the masses of whole machines. Earth-moving machinery — Safety — Part 1: General requirements !EN ISO 3164:2008". hazardous situations and events relevant to wheel and crawler backhoe loaders as defined in EN ISO 6165:2006. methodology (ISO 12100-1:2003) ISO 2330:2002. their equipment and components !ISO 7451:2007.LVS EN 474-4+A2:2012 (E) 1 EN 474-4:2006+A2:2012 (E) Scope This part of EN 474 deals with all significant hazards. This does not repeat the requirements from !EN 474-1:2006+A1:2009". Earth-moving machinery — Volumetric ratings for hoe-type and grab-type buckets of hydraulic excavators and backhoe loaders" !ISO 7546:1983".Laboratory tests and performance requirements (ISO 3449:2005) " !EN ISO 6682:2008". Earth-moving machinery — Laboratory evaluations of protective structures — Specifications for deflection-limiting volume (ISO 3164:1995) !EN ISO 3449:2008. the latest edition of the referenced document (including any amendments) applies. Earth-moving machinery — Hydraulic excavator and backhoe loader boom-lowering control device — Requirements and tests 5 5 . 2 Normative references The following referenced documents are indispensable for the application of this European Standard. Earth-moving machinery — Loader and front loading excavator buckets — Volumetric ratings ISO 8643:1997. but adds or replaces the requirements for application for backhoe loaders. This European Standard is not applicable to machinery manufactured before the date of publication of this European Standard by CEN. only the edition cited applies.Falling-object protective structures . hazardous situations and events during commissioning. Earth-moving machinery . Earth-moving machinery — (ISO 6682:1986 including Amendment 1:1989) Zones of comfort and reach for controls !EN ISO 7096:2008". For undated references. operation and maintenance of backhoe loaders. The requirements of this part are complementary to the common requirements formulated in !EN 474-1:2006+A1:2009". For dated references. !EN 474-1:2006+A1:2009".
3.3 applies with the following addition for compact backhoe loaders: 6 6 .1 Protection Roll-over protective structures (ROPS) !EN 474-1:2006+A1:2009". definitions given in NOTE 1 Terminology for backhoe loaders is specified in ISO 8812:1999 and most common backhoe loaders are illustrated in Annex C of this European Standard. Earth-moving machinery — Units for dimensions. 3. elevating.2 compact backhoe loader backhoe loader with an operating mass (see !ISO 6016:2008") of 4 500 kg or less.2. NOTE Annex A (normative) contains all the significant hazards. swinging and discharging material. normally with stabilisers or outriggers (see EN ISO 6165:2006) NOTE 1 When used in backhoe mode. NOTE 2 A backhoe work cycle normally comprises excavating. and their measurement accuracies !ISO 14397-1:2007". as far as not modified or replaced by the requirements of this part.1 backhoe loader self-propelled crawler or wheeled machine having a main frame designed to carry both front-mounted equipment and rear-mounted backhoe equipment. 5. as far as they are dealt with in this European Standard. the machine is stationary and normally digs below ground level.1 General Backhoe loaders shall comply with the requirements of !EN 474-1:2006+A1:2009". the machine loads through forward motion. but when used in loader mode (bucket use). Earth-moving machinery — Loaders and backhoe loaders — Part 1: Calculation of rated operating capacity and test method for verifying calculated tipping load 3 Terms and definitions For the purposes of this European Standard. designed to work in confined spaces with the associated needs for greater manoeuvrability 4 List of additional significant hazards See Annex A. the terms and !EN 474-1:2006+A1:2009". EN ISO 12100-1:2003 and the following apply. 5. hazardous situations and events.3. performance and capacities. 5 Safety requirements and/or measures 5. elevating.EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) ISO 9248:1992.2 5. NOTE 2 Definitions used in EN and ISO standards referred to in this European Standard are also valid for this document. A loader work cycle normally comprises filling. transporting and discharging material. identified by risk assessment as significant for this type of machinery and which require action to eliminate or reduce the risk.
Machines with an operating mass less than or equal to 700 kg according to ISO 6016:2008 shall be fitted with a falling-object protective structure (FOPS). If FOPS is fitted. it shall meet the performance requirements of EN ISO 3449:2008 Level 1.LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) The portion of deflection-limiting volume (DLV) above the LA (SIP) line according to !EN ISO 3164:2008" ° is allowed to deviate (lean) up to 15 laterally as shown in Figure 1.2. the cab height above SIP shall not be less than 920 mm measured with the window retracted into the cab.1 Operator's station Minimum space envelope !EN 474-1:2006+A1:2009".3 5.2 This requirement is at present under consideration." 5. when the minimum energy requirement is met. NOTE 5. In the future this exception will disappear.4 applies with the following additions for backhoe loaders. 5. 5.3.3. Key 1 up to 15° 2 3 LA Seat index point (SIP) Figure 1 — Deflection-limiting volume (DLV).3. front view 5.5 applies with the following additions: On backhoe loaders with retractable rear window. Portion below the LA (SIP) line of DLV can be disregarded. 5.3. Operator's controls !EN 474-1:2006+A1:2009".2.2 Falling object protective structures (FOPS) !EN 474-1:2006+A1:2009. when they are intended for applications where there is a risk of falling objects.5 applies with the following additions: 7 7 .
shall be included in the determination of the rated operating capacity and the size/capacity of the attachment.  if the backhoe loader is provided with an alternative operator position with alternative travel controls. The operator shall be able to activate the warning device also from the backhoe operation position.3 Operator's seat !EN 474-1:2006+A1:2009".2 and 5.3. The loader portion of backhoe loaders do not need lowering control device as defined in ISO 8643:1997 5.4 Warning devices !EN 474-1:2006+A1:2009". 5.4. 5.2 5.5.5. 8 8 . applies with the addition that the sound level shall also be greater than or equal to 93 dB (A) at 7 m distance from backhoe swing centre to the rear. there shall also be control devices for braking and steering at this alternative position.5. To provide a sufficient stability the rated operating capacity/rated lift capacity in intended operations shall be determined as specified in !5.1. 5.5 Stability 5.2 to !5. The mass of the load. 5.1 General !EN 474-1:2006+A1:2009".5.3".1 Loader portion General The rated capacities of the backhoe loader used in loader application shall be determined as follows with the backhoe in its transport position as specified by the manufacturer. which makes it impossible to raise the outriggers if the travel motion is engaged.EN 474-4:2006+A2:2012 (E)  LVS EN 474-4+A2:2012 (E) on backhoe loaders equipped with outriggers. first indent. applies with the addition that the seat shall meet the requirements of the following input spectral class according to !EN ISO 7096:2008":  EM5 for backhoe loaders.3" below. All rated capacities as defined hereafter are based on tests and/or calculations of machines being on level and firm supporting surface.9. 5. NOTE Preferably an interlocking device should be provided. 5.2. The volumetric rating of bucket shall be determined according to ISO 7546:1983.2 Bucket application The rated operating capacity shall be determined according to !ISO 14397-1:2007".2.11 applies with the additions given in 5. an acoustic and visual warning device shall be installed to warn the operator when the travel motion is engaged with lowered outriggers. which meet the performance requirements for the primary functions.5.  EM8 for compact backhoe loaders. 5.5. if fitted.5. Hoses shall withstand four times the operating pressure.5. its density and the location of its centre of gravity as well as the mass of the attachment and the attachment bracket.
3. 5.3. 5. NOTE The hydraulic lift capacity is the maximum mass that can be lifted in any arm position with the fork in horizontal position limited by the hydraulic circuit working pressure according to !ISO 14397-2:2007".2. Table 1 — Stability factors in fork application Rated load as a percentage of tipping load for loader portion Ground condition Wheel loader Rough terrain 60 Firm and level ground 80 Stability factors to determine rated load of crawler backhoe loader shall not exceed 35 % of the tipping load. 5.2.2 or  the hydraulic lift capacity specified in 5.1) and with the fork in a horizontal position.3.2. volumetric rating of bucket and density of the material have to be taken into account when the bucket capacity is selected for a specific application.3.3.5.3 Hydraulic lift capacity It shall be possible to control the rated load in all positions foreseen by the manufacturer. 9 9 .2.2 Rated load The tipping load shall be determined according to !ISO 14397-1:2007" (except for stability factor stated in 4.5.2 to 5. the specifications in Table 2 shall be followed. whichever is less. 5.5.5.2.5.2.3.3. The rated load as a percentage of tipping load shall not exceed the applicable value specified in Table 1.5.2.3.2. considering all relevant hydraulic circuits involved.3.5.5.3 5.LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) NOTE The mass.3.2.5 Fork size To select the fork arm size and to determine the load centre gravity distance (D) as shown in Figure 2.4 Rated operating capacity The rated operating capacity shall be determined either by:  the rated load specified in 5.1 Fork application General The rated operating capacity is based on the use of forks and shall be determined by the criteria specified in 5.5. 5.5.2.5.
LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) Table 2 — Load centre distance Load F Distance D N mm F≤ 10 000 400 10 000 <F≤ 50 000 500 50 000 <F≤ 100 000 600 Fork arms shall meet the performance requirements stated in ISO 2330:2002.5.5.1 Log handling application General The rated operating load of a backhoe loader in log handling application shall be determined by the criteria given in 5.4 5.5.2.4.2.2.4. Table 3 — Stability factors in log handling Rated load as percentage of tipping load Ground condition 10 Wheel backhoe loaders Crawler backhoe loaders Rough terrain 75 50 Firm and level ground 85 60 10 .3.4.5.2.2 and 5. Key D F distance in millimetres (see table 2) load in Newton G centre of gravity Figure 2 — Load centre distance with fork arms 5. The rated load as a percentage of tipping load shall not exceed the applicable value specified in Table 3. (except for the stability factor stated in 4.5. 5.2.2 Rated load Tipping load shall be determined according to !ISO 14397-1:2007".4.1) with the log grapple fitted.
whereby the comparable hazard has to be considered for the special application.5.2 or  the hydraulic lift capacity specified in 5.5.5. NOTE The hydraulic lift capacity is the maximum mass that can be lifted in any arm position with the log grapple fitted limited by the hydraulic circuit working pressure according to !ISO 14397-2:2007".4.1 Object handling application General The rated operating capacity of a backhoe loader in object handling is based on use of (a) lifting accessory(ies) and the attachment and shall be determined by the criteria given in !5. 5. 5.5. The rated load. 5. considering all relevant hydraulic circuits involved. whichever is less.6 Other applications The rated operating capacity of derivated machinery shall be determined by the manufacturer according to the load specification given in 5. limited by the hydraulic circuit working pressure according to !ISO 14397-2:2007".5.5.5.2.2.5.4.5.2.3. 5.2.5.5. considering all relevant hydraulic circuits involved. Clause 4.2.4.2 to 5.3" whichever is less.5.2. shall be determined according to !ISO 14397-1:2007".2.2.5. as a percentage of tipping load.2 to 5. 5.2.5.5.5.2.2.5.5.5.2.5 5.4. NOTE Hydraulic lift capacity is the maximum mass that can be lifted in any arm position with the hooking point(s) fitted.3 Hydraulic lift capacity It shall be possible to control the rated load in all positions foreseen by the manufacturer.3 EN 474-4:2006+A2:2012 (E) Hydraulic lift capacity It shall be possible to control the rated load in all positions foreseen by the manufacturer.4 Rated operating capacity The rated operating capacity shall be determined either by:  the rated load specified in !5.5.5. 11 11 .4". 5.5.2.2.5.2" or  the hydraulic lift capacity specified in !5.2.5.4 Rated operating capacity The rated operating capacity shall be determined either by:  the rated load specified in 5.2.LVS EN 474-4+A2:2012 (E) 5.2 Rated load Tipping load shall be determined according to !ISO 14397-1:2007" and with the load attached to the actual load hooking points as specified by the manufacturer.5.
5. established by the manufacturer.EN 474-4:2006+A2:2012 (E) 5.4. 12 12 .5.3 Rated lift capacity table in object handling A table of the rated lift capacity in object handling.5. 5.3.5.3. The control device(s) for activation/deactivation shall be within the operator's zone of comfort according to !EN ISO 6682:2008". the volumetric rating of the bucket and the density of the material have to be taken into account when a bucket is selected for a specific application. A warning sign shall be placed close to the control device indicating the need for activation during object handling. This device may be deactivated while the backhoe equipment is performing operations other than object handling.3.7.3.11 applies with the following exceptions:  if the loader bucket is intended to increase the stability of the machine.3.1 General !EN 474-1:2006+A1:2009". 5.2 to 5.2 Bucket and shovel application The rated lift capacity for a backhoe loader used in backhoe application with a bucket or shovel shall be determined in accordance with Annex B as the value according to B. The rated lift capacity table in object handling shall be generated with the rated lift capacity in object handling on different lift point radii.2 d) ).2.3.3.5.3. The table(s) shall be available at the operator's station for each object-handling configuration specified in the operation manual. There shall be at least five different lift point radii.5 of !EN 474-1:2006+A1:2009") of equal or greater than 1 000 kg.2 Rated lift capacity in object handling The rated lift capacity in object handling of the backhoe portion is defined in B.3. NOTE The mass.6. 5.3. shall be provided. minus the mass of the attachment if necessary (see B.5.3. Minimum and maximum lift point radius shall always be included.5.5.  the rated capacities of a backhoe loader used in backhoe application shall be determined with the loader bucket and the outriggers placed on the ground (see B.3. The hydraulic circuits of the loader portion do not require locking devices.3 LVS EN 474-4+A2:2012 (E) Backhoe portion 5.1 Object handling application General The rated lift capacity of a backhoe portion used for object handling application shall be determined according to 5. 5. or an overturning moment equal or greater than 40 000 Nm shall be equipped with: a) an acoustic or visual warning device which indicates to the operator when the rated lift capacity/ corresponding load moment is reached and continues as long as the lift capacity or load moment is exceeded. The activation shall be clearly indicated. (see 3.3.3 5. measured according to Annex B. The rated lift capacity is defined in 5.4 Load safety devices The backhoe portion used in object handling operations.8).5.3.5.4. 5.3. 5.3. The volumetric rating of the bucket shall be determined according to !ISO 7451:2007" or ISO 7546:1983. the hydraulic circuits of the loader portion do not require locking devices.5. with a maximum rated lift capacity.3.
3.2.2 applies with the following addition: The manufacturer shall provide information of the rated operating load or bucket volume whenever applicable on:  bucket application according to 5.5.  !backhoe rated object handling capacity table e.3.5.3.6 for loader application.2 and 5.6 Travelling and transportation The backhoe portion shall be equipped with a device which securely locks the back-hoe in transport position.  !log handling application in accordance with 5.  object handling application in accordance with 5. For arm cylinders the device(s) shall be installed at the end which is pressurised to raise the arm away from the base machine.5.3.2.4.  backhoe other application according to 5. arm cylinder devices should be tested by the same procedure as those described for boom lowering control devices.2. 7.  instruction how to securely lock the backhoe in transport position.5.g.2.4 Other applications The rated lift capacity of derivated machinery shall be determined by the manufacturer according to the load specification given in 5." 13 13 .5. whereby the comparable hazard has to be considered for the special application.  backhoe bucket application according to 5.3.LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) # b) a lowering control device on each raising boom and arm cylinder.2.5.5. in accordance with 5.3. Lowering control devices for boom and arm cylinder(s) shall be tested in accordance with ISO 8643:1997.5.$ 5.3.  backhoe object handling application according to 5.5. However. NOTE The scope of ISO 8643:1997 (currently under revision) does not cover the testing of arm cylinder devices.4 for loader application.3.3. 6 Information for use !EN 474-1:2006+A1:2009".5 for loader application."  other handling application in accordance with 5.5.3 for loader application.5. 5.3.2.  fork handling in accordance with 5.3.5.2 for loader application.3.
5.2.2 5.3. !deleted text" Loader portion: 16.3 Lack or inadequacy of visual or acoustic warning means 5.5. object handling and log handling applications Backhoe portion: Rated capacity with bucket.1) Relevant clauses of this European Standard Hazard Hazards.5.6 1.3. warnings. 5.2. 5.2.6 a) rollover.2 16 Loss of stability/overturning of machinery 5. 5. Annex B Additional hazards.2.2 19.5.2.1.3 Movement without all parts in a safe position 19 Linked to the operator's station on the machine 19.3.3" 20 Due to control system 20.3.5. 5. applies with the following additions: Table A.5.2.4 Drawing-in or trapping hazard 5. 5.2.1 — List of additional significant hazards No.2. 14 !5. penetration by objects 5. 5.3.1 16.5.5. hazardous situations and hazardous events 1 Mechanical hazards due to: machine parts or working tools. and markings) 6 1) 14 Number refers to Annex A of !EN 474-1:2006+A1:2009". object handling and other applications 5. !deleted text". hazardous situations and hazardous events due to mobility 18 Relating to travelling function 18.2 19. attachment brackets and/or equipment.5.5.3 Inadequate design of manual controls and their mode of operation 23 From/to third persons 23. 5.3  object handling.1.3.2. 5.2" . e. 5.1.1 b) fall of objects.  attachment.2. 5.5 Insufficient visibility from the operator's station(s) 5.2 Rated operating load with bucket.2.5  log handling !5.7 Inadequate seating !5. Annex A.1 Crushing hazard 5.4 24 Insufficient instructions for the operator (operation manual. 5.5. g.4" 1.4 Mechanical hazards at the operator's station: 5.EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) Annex A (normative) List of additional significant hazards – Backhoe loaders The list of hazards in !EN 474-1:2006+A1:2009".2. fork. signs.5.2.
15 15 .3 2) Inadequate holding devices/accessories !EN 4741:2006+A1:2009". machine tipping caused by: 25.2) Relevant clauses of this European Standard Hazard 25 Mechanical hazards and hazardous events: 25. collision.1. Annex E Number refers to Annex A of !EN 474-1:2006+A1:2009".1 From load falls.LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) Table A.1 (continued) No.1.1 Lack of stability !deleted text" !deleted text" 25.
5 lift point radius horizontal distance between the bucket hinge pin and the swing pivot centre B.1.1 anchorage point vertical point below the lifting device where the load force is applied or transposed B.6 balance point point at which the moment acting to overturn the machine with a specific load and lift point radius is equal to the moment of the machine available to resist overturning B.1.1.1. g.  wire ropes and shackles. slide rail).1.2 Apparatus The apparatus shall comprise the following and with tolerances as specified in ISO 9248:1992:  load cell or force transducer appropriate to the magnitude of the load to be measured. limited by a relief valve at a flow no greater than 10 % of rated circuit flow B.EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) Annex B (normative) Test method for backhoe loader lift capacity at the backhoe portion NOTE This annex specifies a test method for determining the backhoe loader capacity when used in backhoe applications. safety chains and adjustable anchor point (e. limited by the working circuit hydraulic pressure B. pulley.1 Terms and definitions B.8 test force force applied to the load cell either by test weight or by applying hydraulic means B.1.1.1. B.4 hydraulic lift capacity maximum load that can be lifted at the bucket hinge pin with any hydraulic circuit activated.7 overturning moment moment when the balance point is reached B.2 hydraulic holding circuit pressure maximum static pressure in a specific circuit. 16 16 .3 tipping load static load at the balance point B.
d) stabilisation devices shall be engaged according to the manufacturer's specifications.4.1 General The machine shall be clean and equipped according to the manufacturer's specifications. the engine and hydraulic system shall be at the normal working temperature. The machine shall be equipped with an attachment bracket if applicable (but no attachment).5.1 Step one The test force shall be progressively applied until either: 17 17 . B. c) if the arm can be articulated horizontally.5 Capacity test B.5. The fuel tank shall be filled to 50 % capacity.5. vertically below the hinge pin.3 Test procedure B.3. EN 474-4:2006+A2:2012 (E) B. B. B. and the hydraulic system pressure(s) shall then be checked for compliance with the manufacturer's recommended hydraulic pressure setting(s).2 Position The machine shall be positioned on the test site as follows: a) in the least stable position (e. Outriggers and loader bucket shall be in a position so that the wheels just clear off ground.4 Preparation for test B.4.LVS EN 474-4+A2:2012 (E)  pressure gauge. B. The machine shall have the tyre inflation and tyre ballast as specified by the manufacturer. with anchor point and sufficient space for the load cell. hard surface. fully side-shifted and/or fully articulated). B.3 Test site The test site shall consist of a substantially level (± 2 % inclination). Prior to testing. g.5.  means for measuring linear dimensions. preferably concrete. b) the oscillation of the articulated steering joint (if any) shall be locked.2 Position of boom/arm The boom/arm shall be so positioned that the line between boom hinge pin and bucket hinge pin is horizontal when the force is applied. it shall be in the straight position.1 Load cell A load cell shall be installed between the excavator bucket hinge pin and anchorage points.
b) the tipping load.5.3.3. B. B.1.1 a) or  hydraulic lift capacity according to B.5.5.1 a) or  87 % of hydraulic lift capacity according to B.2 whichever is less. the hydraulic lift capacity (as defined in B.EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) a) the tipping load is reached or b) the hydraulic holding circuit pressure is reached.3.5. Backhoe loaders with side shift shall be measured both with the backhoe in the centre position and fully side shifted.8 Rated lift capacity with attachment The rated lift capacity shall be determined with the backhoe in the centre position at maximum lift point radius.3.2 whichever is less.4) shall be measured. d) the hydraulic lift capacity. minus the mass of the attachment.3. c) the hydraulic holding circuit pressure.5. B.7 Rated lift capacity in object handling Rated lift capacity in object handling shall be determined either by:  75 % of maximum tipping load according to B.5.6 Rated lift capacity in bucket or shovel application The rated lift capacity for a backhoe loader used in bucket or shovel application shall be determined either by:  75 % of maximum load according to B. 18 18 . B.2 Step two After completion of step one. B.4 Verification The following shall be measured and recorded: a) the lift point radius.
1 — Wheel backhoe loader Figure C.2 — Compact wheel backhoe loader 19 19 .LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) Annex C (informative) Illustrations Figure C.
3 — Crawler backhoe loader Figure C.4 — Backhoe loader with pole erecting attachment Figure C.5 — Backhoe loader with earth drill 20 20 .EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) Figure C.
LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) #deleted text$ 21 21 .
" 22 22 . within the limits of the scope of this standard.EN 474-4:2006+A2:2012 (E) LVS EN 474-4+A2:2012 (E) 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. a presumption of conformity with the relevant Essential Requirements of that Directive and associated EFTA regulations. compliance with the normative clauses of this standard confers. 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. WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard.
Earth-moving machinery — Backhoe loaders — Definitions and commercial specifications [3] !ISO 14397-2:2007".LVS EN 474-4+A2:2012 (E) EN 474-4:2006+A2:2012 (E) Bibliography [1] EN ISO 6165:2006. Earth-moving machinery — Loaders and backhoe loaders — Part 2: Test method for measuring breakout forces and lift capacity to maximum lift height 23 23 . Earth-moving machinery — Basic types — Identification and terms and definitions (ISO 6165:2006) [2] ISO 8812:1999.
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