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| ICS 3.00.7 ;4 10
N COPYIN WITH U BSI PE MIS ION E C PT A S PE MIT E B COPY IGHT LA W
Trang 2ThisBrit ishSt and rd,havin
be nprep redu de t he
direct io oft heEn i ne rin
Sect orCommit t ee,wasp blshed
u de t hea t horit yoft he
St and rdsCommit t eea dc me
int oefcto 15Oct obe 20 0
©BSI10-20 0
F irstp blshedF ebruary1 8
Sec n edit i onNo embe 20 0
Thefo owin BSIrefren e
Amendmentsis ue sincepublcation
T h eprep rationofth isBritishStan dardw asen tru stedbyth eAu tom obi leStan dards
Com m itte ( AU E/ toTe h n icalCom m i tte AU E/9,Au tom obil eDetailsan d
Ac es ori es ,u po wh i chth efoll owin gb di eswererepresen ted:
Au tom obil eAs sociati on
Con su m erP ol icyCom m itteeofBSI
Dep rtm en tofth eEn viron m en t, Tran sp rtan dth eR eg ion s
Dep rtm en tofTradean dI n du stry
Garag eEqu ipm en tAs sociati on
I n sti tu teofTradi n gStan dardsAdm in i s tration
Nation alTrail eran dTow in gAss ociation
S cietyofMotorMan u fac tu rer an dTrader
Trang 3Cont ent s
P ag e
Trang 4T h i sBri tishStan dardh asbe nprep red ,u n derth edi re ti onofth eAu tom obi le
Stan dard sCom m itte ,at h erequ es tofth eS cietyforM otorM an u factu rer an d
Trader I ts u pers edesBSAU18 :198 3,wh ichi swi th draw n
T h epu rp seofth i ss tan dardistoesta l ishth em i n im u mrequ irem en tsfortowro e
as sem bli es(i e.th ero esan dth efittin g s,ifan y)w h ichm aybeu sedfortowin g
p s sen g erc ar an dlig h tv n si na em erg en cy( e.g afterabreakdown )
T hes tren g thofth eas sem bl yisspe ifiedbyarequ irem en tforresis tan cetoasn atch
loa toen su reth atth eass em bl ywi lls u rvivespe ifi edtake- u ps h ocks
T h em aterialstobeu sedaren ots pe ifiedasi tiscon sideredth at h es es h ou l dbeleft
toth ediscretionofth em an u factu rer,bu trequ irem en tsrelati n gtoth esh apean dsize
arein clu dedtotakeac ou n tofI SO54 22,Roa dvehi c lesÐAn c ho a g esfrtowi n g
r pes, c a bleso ba rs,prep redbyTec h n i calCom m itte I SO/T C2 ,R oa veh i cles ,of
th eI n tern ati on alOrg an isati onforStan dardization( I SO)
ABri ti shStan darddoesn otpu rp rttoin cl u dea th en ec s sarypro isi on sofa
con trac U s er ofBri ti s hStan dardsareresp n s i bleforth eirc ore ta pl ication
Complancewith aBritish Standardd esnotofitselfconferimmu ity
f omle alo lg tions
Summaryofp g s
Trang 51 Scope
This Brit ishSt andar dspe ifies req ir ement s,inclu ingth seforc r t aindimensio s, per for manc and
packagingforflexible t ow r ope assemblesfortowing mot orvehicles having amaximumgr os mas of
2to nes
2 Definitions
F orthe p r poseofthis Br itish St andard t he folowing definit io s apply
2.1
tow ro e as embly
t hecompletearticle used fort owing mot orvehicles, co sist ing ofarope andfit t ings, ifany
2.2
fit ings
comp nent s ofmet al,plast icsorot hersuit ablemat er ial, incor porat edin t he t ow r opeassembly
2.3
ro e
t herope, cord, web ing, st r ap orot hersimiarflexiblemat er ial used int het owr ope assembly
3 Length
Theover al lengt hofthe t ow r ope assembly , from at tachmentp intto at tachmentp intshallben tles
t ha 3.5mn rmor et han4.5m The measurementsh l bemadewit ht heassembly u deratensio of
10 020, +2 Newt ons a dmadeu inaccor danc wit ht hemanufact ur er's inst r uct io s o wher ethis
informatio is n tgiven,wit h alo poflength3 0mm for medateach en
4 Shape and size
Theshape andsizeoft hefitt ings a dr opeshallbe such t hat itshall be p s ible t oatt acheachen ofthe
t owr ope assemblyt o afit tinghaving ah le3 +0,20.2 mm in diameter
N T Theshapeandsiz oft hefit t in sandropearelett ot hediscret io oft hemanufa t urer
5 Material
Tow r opessh l bemade from materialst hatare resist antt omoist ur eand hy dr ocar bo s andbesuit able for
useatt emper atur es r anging from 22 8C to+5 8C
6 Finish
6.1 Allmaterials shallbe fr eefr omanyb rr sorflashingth tco ldcause wo n orabr asio
6.2 The en s oft he rope sh l bet r eatedorot her wise pr ot ect edt o pr eventfray ing
7 Resistance to snatch load
Thetow rope assemblysh l bet est edforr esist anc tosnat ch loadin accordanc witha nexA Aft ert he
t estt het owr opeassemblysh l co form tot he folowing req ir ement s:
a) t he assemblyshallbe capa le ofsu p r t ing t he 10 k g mass;
b) wit ht he tensio r eleasedfr omtheas emblyitsh l be p s ible todisco ne tt he assembly from t he
p intsofatt achmentwith utt he useoft ools orot herimplements;
c) t he surfacesoft he assemblysh l co formt othereq ir ement s of6
Trang 68 Warning device
Tow r opessh l bemade such t hat t he ar e clearly visiblet o a yperso usingther oad The met ho of
ensur ingt hisvisibi tyshallbe per manenta dcomprise o eormor e ofthefolowing:
a) acolo red and co spicu usflagorsimiarwar ningdevic at tached atthe mid le oft helengt hoft he
t owr opeassembly Thedevic shallhaveaminimumar eaof3 0sqcm viewed from t he side; or
b) br ight ly colo r edrope; or
c) fixedcolo red and co spicu usmar kers alo gthelengt hofther opehaving aminimumt otal proje ted
areaof3 0sqcmviewed fr omtheside
9 Packaging
Thetowropeassemblysh l bein apackagesuit able forstoringt he assembly The packaging sh l
incor por atethefolowing:
a) instruct io o t hemet ho ofat t achmentt ovehicles;
b) mass ofvehicle whichmay be t owed;
c) r ecommen at io so t he car eandmaint enanc oft he assembly a d the dang rs ofusingfr ay edor
d mag d t ow r opes/at t achment s;
d) advic o t he pr inciples oft owing;
e) astatementdr awing att ent io tolocal le islat io o t owing e.g.use ofanªo t owº sign
Each tow r ope assembly p r porting t oco for mt ot hereq ir ement s oft his Brit ishSt andar dshallbe
perma entlyandle ibly mar ked wit hthe folowing informatio :
a) ar egist er edt r adename, t r ade mar korothermeansofident ificat io oft he manufact urer;
b) n mberand dat e oft hisBr it ish Sta dar d, i.e.BSA U18 :2 0
1)
Trang 7
An n ex A
M eth od oftest for resistan c e to sn at ch loa
A 1 App ratus
A.1.1 As u pp rtstru ctu reof u c hrig idi tyth atth edyn am ic loa a pli edto th etowro ei s n otredu ced
A.1.2 Ates tm as s10 ±1.0kgto th eto ofw h ichisfixeda 8m mdi am eterste lb rform edin toaloo of
in tern aldi am eter3 ,20.0 ,+0.2 m m
A.1.3 As teelb r,w ithaloo asdes cribedinA.1.2,ri g i dly su pp rtedatah eig h tsu ch , w ithth em as s u spen ded
fomito th ero e, th ereis 1mc l earan ceu n derth em as s T h efittin gs h ou l dberaisedi fth em as s m akes
con tactwi thth e g rou n d du rin g test
A 2 Proce ure
A.2.1 Attachon e en dofth etow ro e ass em bl ytoth e b r( s eeA.1.3)i nac ordan ce withth e m an u factu rer's
in stru ction sor, wh ereth i sin form ationi sn otg iven ,w ithaloo ofl en g th3 0m m form edatth een d.M ark th e
en g ag em en tp i n tofth efi tti n go th ero e
A.2.2 Atac hth efe en dofth e as sem bl ytoth e tes tm as sasdesc ribedinA.2.1 an dm arkth een g ag em en t
p in tofth efitti n go th ero e
A.2.3 Allow th etestm as toh an gfe ly
A.2.4 R aiseth etestm as 1man dallowittofa fe ly
A.2.5 Ch ec kag ain stth e m arkso th ero e,th een g ag em en tp in tsofth efi tti n g s ateachen d, an d adju stth e
as sem blyasn ec s s ary
A.2.6 R epeatproc d u rei nA.2.3 toA.2.5 n i n etim es( i.e.atotalof10dro s)
A.2.7 Exam in eth eas sem blyforcon form an cetoth erequ irem en tsofcl au se7
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BSIi sth ein depen den tn ati on alb dyresp n s i bleforprep ri n gBri ti s hStan dards I t
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in corp ratedbyR oyalCh arter
Rev isions
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