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Tiêu đề Specification For Portable Wheel Ramps For Cars And Light Vans
Trường học British Standards Institution
Chuyên ngành Automobile Standards
Thể loại British Standard
Năm xuất bản 1997
Thành phố London
Định dạng
Số trang 12
Dung lượng 1,14 MB

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An spe ial provisio s or proc d ures to minimize the risk ofi nju ry or dama e sha ll be cl earl y spe cifie d... Base width o fa typical vehicle ramp rB arier stop Figur 3.. Typical veh

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STD-BSI BS AU 2 4B-ENGL L777 W Lb24bb7 Ob1 7 31 707 e

ICs 4 18

Ní C.OPYING WT H IJT BSI PE MIS ION E C P AS PE MIT E B COPY IGHT LAW

12 b: 1997

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Amd No

Frs p blsh d F bur 19 88

Amd 59 70, Ju e 19 88

The fo llo wing BSI references

rela te tnt he work o thi

sta nd a r d :

Com mitt ee reference Am9

Dra t for comm ent 9 5R16064 D C

ISBN O 6 0 2 3 6 1

BS AU 2 24 b : 1 97

The p rep arati o n ofthsBritish Stan ard was e n tru ste d t o T c nicl Commite

AW9, Automo ie de tai ls a d ac cesso ri e s, upon which th e folowing bodies w ere

rep re sented:

Automobile As s o c iation

C ons umer Polcy Commite ofB SI

D epartment ofTra e and Indu stry (C ons umer S fty Unit, CA Divis io )

D ep artment of'Ii-a s po rt

Garage Eq ip ment As s oc iatio n

I n stitu te of?k.a in Sta nd ar d s Adminis ts atio

So c iety ofMotor M anufactu rers a d Ik-ader Limited

T is B tish St a nd a rd , h a vin

b e prepa r ed u d er t he

d irect io of t he En in er in

S cto Boa r d , wa p blsh d

u d er t he a uthority oft he

St a nd a rd s Bo rd a nd com es int

e et o

1 Oct obe 19 97

O BS I 19 9 7

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B S AU 224b :19 9 7

Con te n ts

page

2 Normative re e ren ces

3 D efinitio ns

6 Markin g

A ( no rmati v e) C las s ific atio n ofvehi c l es acc o rdi ng t the E U 4

B

C ( no rmati v e) Rolhf an d o ve rtrav el test

(normative) Test fo r lo ngitu inai mo ement

4

4

E ( no rmati v e) Ts oframp platform sec ti o n stren gth 6

F igures

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STD-BSI BS AU 2 ’ B-ENGL 1997 Lb24bb7 Obi4 0 4 blb D

BS AU 22 4 b : 19 9 7

T h i s Britis h Stan dard h s bee n prepared b Tec hnic al C ommitte AU E/S to esta li sh a

stan dard ofp erfo rma c e for p rta l e whe l ramp s to e n su re tha t they a re s ufic iently

ro u st so that u n de r no rmal u se they wi n ot fai l The stan dard al so aims t o en su re

that the ramp s a re con stru cted an d desi g ne d s that th e y wi l be stabl e a n d wi n t

d mage the vehic le when u sed in their i ntende d ma ner I su pe rse des BS AU 2 4 :

19 8 whic h is w i thdraw n

Thi s Britis h Sta d rd cls for the us ofsu bstan ce s a d r proc du re s th at ma be

iqju o s to health if a e qu ate pre au tion s a re no t taken I re fer o iy to te c hni c al

su i tab i l i ty a d does n ot a so l ve the u ser fro m leg al o bl i g ati o ns re l ati n g to health a d

safety a a y stag e

Complanc e with a British Standard does not ofit elf confe immunity

from leg l obl g tions

S mmary of pa es

This do c u me nt c o mp ri ses a fro nt c over, a ins ide front c over, p ag e s i an d i, p ag es

1 to 6, a i nsi de b ck c o v er a nd a b ack co er

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STD-BSI BS AU E'2 B-ENGL 1997 Ip Lb24bb7 Ob47035 552 W

BS AU 224b :19 9 7

1 Scope

This British Sta nd ar d spe ifies r eq uir em ents for t he

de si gn , co sb ctio , perfor m anc a nd marki ng of

p rtable whee l ra m ps for car s a nd li g ht v n s

This Bri ti sh Sta nd ar d incor porat es, by d ated or

u d a ted ref renc , pro ision s fro m other

pu bl i cation s T h ese n ormativ e ref renc s a re made

at t he a ppropria te pla ces in t he t ext a nd t he cited

pu bl i catio is lst ed o t he insid e back cov er F or

d at ed r ef renc s, o nl y t he editio cited a pl ie s; any

su seq uent am end m ents to or re vision s oft he cited

pu bl i catio appl y to this sta nd ar d only wh en

incorp ra ted in t he ref renc b amen dmen t or

revi si o n For u d at ed r ef r enc s,t he la test e ditio of

t he cited pu bl icatio a pples, together w i th any

ame n dmen ts

3 De initions

For the p r poses oft his sta nd a rd t he fo li o w i ng

defin iti on s ap p l y

3.1 bar ie s op

devic to impe de a v eh icl e trave l l in g be yon d t he

pl atform area oft he wh ee l ramp

3.2 base plane

plane wh ich includ es t he p ints ofco tact betwee n

t he base oft he wh e el ramp a nd t he surface u po

w h ich it r est s (se figu re i)

3.3 base width

minimum width m easured a cros t he base ofa wh e el

ram p (se figu re 2)

3.4 longitudinal mo ement

mo ve ment oft he ramp o t he su p rtin surîace,

forwar d s or r ea rwa rd s, as a v eh icl e is driven o or

o ff

3.5 o e al diamete oftyr

d iam eter ofa n i n fl ate d tyre at t he o term ost surfa ce

oft he trea d

3.6 o e tra el

actio ofa v eh icl e trave l l in g of the pl atform se tio

ofa wh e el ramp i n a d irectio past t he ba rrier st op

3.7 plan ar a of the base

a r ea oft he ba se pla ne e n cl osed b y the p ints of

co ta ct betwe n t he wh ee l ramp and t he sur fa ce o

w h ich it rest s (se figu re 2 )

3.8 plan ar a of the incl ne se tion

area o ta ined b proje ctin g the perim et er oft he

i n cl in e se t io ve rtical l y d ownward s o to t he ba se

plane (a rea A i n figu re 2 )

3.9 proje ted plan ar a o fthe platorm se tion

area o ta ined by proje ctin g t he per im eter ofthe

pl atform se tio vertical l y d ownwa rd s o to t he base

pl an e (ar ea B in figu re 2)

3.10 ramp height

ma imum d ista nc betwee n t he pl atform se tio a nd

t he ba se pla ne (se figu re 1)

3.1 rated capacity

( Saf Workin Lo d (SWL)

ca pa cit y ra ted b y t he m anufacturer as the maxim u m

m ass t hat ma be saf l y su p rted by a sin gl e wh e el

ramp

3.12 rol -of

actio ofa v eh icl e de sc n din g fro m a wh e el ramp

such tha t its tyre tra vels do w n the in cl in e oft he

ra m p

3.13 vehicle

passen er ca r or l i g ht v an ofcl as ificatio M1 or N1

(se a nnex A)

3.14 whe l ramp

devic con sistin g ofan in cl in e se tio and a pl atform

se tio o to wh ich a v eh icl e is driven for the

p rpose ofm a intena nc or displ ay (se figu re 3)

4 Design

4.1 Minimum rated capacity

The minimum ra ted ca acity ofa sin gl e whe l ramp

sha ll be 10 0 0 kg

4.2 Angle ofincl ne se tion

The ma imum a g l e bet we n t he in cl in e se tio a nd

t he base pla ne shall be 2 5"

4.3 Stabi ity

4.3.1 The base width di v i de d b the r am p h e igh t

shall n ot b e les tha n 1.2

4.3.2 The proje ted pl an a reas oft he pl atform

se tio a nd t he in cl in e se tio sha li b th l ie en tire l y

with in the pla n ar ea ofthe base

4.4 Plat orm dimensions

4.4.1 The pl atform se tio shall have a minimum

width of2 0 0 mm a nd a minimum l e n gth of3 00 mm

When t est ed i n a ccord a nc w i th a nnex B, t he t est

ve h icl e sha ll n t ro llo ff the ramp

4.6 Ove tra el

The wh e el ra m p sha ll be fitt ed with a devic t hat

prevents ov ertra el wh en t ested i n a ccord a nc with

annex B

4.5 Rol -of

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BS AU 224b :1997

4.7 Longitu inal mo ement

When t est ed i n a ccor d anc w i th a nnex C, it sha ll be

p s ible for t he t est ve h icl e to be drive n or rever sed

o to t he r am ps withou t either ramp movin m or e

tha n 50 mm Si mi larly , neit her ramp shall mo v e m ore

tha 50 mm wh e n the v eh icl e d esc nd s

4.8 Finish

Su rfac s shall n t h ve an y haza rd ous proje tio s

Al sha rp ed ges sha ll be remov ed by rou n din g,

b e ve ll i ng , or b ot her m ea ns ofde bu rrin g to prevent

injur y to t he o er at or, or damage to v eh icl e tyr es

4 9 Str ngth

4.9.1 Str ngth ofthe ramp inclne se t on

When tested i n accord anc w i th annex D, t he whe l

ramp sha ll be ca pable ofwith stan din g a load

of1.5 tim es the man u factu rer’s ra ted capa city

witho t sh owin g a y sig ofbrea kin or fra ct urin

The ma imum defl e cti on ofa yp r t oft he in cl in e

se tio sha ll n t exc ed 2 % ofits origin al h eigh t

4 9 2 Str ngth ofthe ramp platf rm

When tested i n accord anc with annex E , t he wh e el

ramp sha ll be capa ble ofwith stan din g a load of

dou bl e the man u factu rer’s ra ted ca acity witho t

sh owin g an y si g n ofbreakin g or fr acturin The

ma imum defl e ctio ofan y p r t oft he ra m p

pl atform sha ll n t exc ed 5 % ofit s origin al h eigh t

5 Marking

E ach wh ee l ramp shall be leg ibly a nd perm a nently

mar ked with t he fo ll o w i ng in formation :

a) t he n u mbe r oft his British Sta nd a rd , i

BS A U 2 4 : 19’ ;

b) a man u factu rer’s mark as a m ea ns ofi denti fy i ng

t he m a nufa ct urer , im por ter or su pl er oft he

ramp;

c) t he r ated capacity oft he ramp, st at ed as ‘SWL’

in kg;

d) t he lar gest and sm a llest o eral l d ia m eter oftyre

for w hi c h t he ra m p is suita ble;

When tested in accord anc with annex F, a

markin gs sha ll remain l eg i b l e It ems c) a nd d) shal l

be cl earl y vi si bl e at t he p int ofsa le

A warn in g n tic sha ll b e a tta ched to ea ch wh ee l

ramp givin at lea st he fo ll o w i ng warn in gs

a) Us e o nl y a sin gl e pa ir ofwh e el r am ps at t he

front or rea r Do n t us e t wo ram ps o o e sid e of

the vehi c l e.’

b) ‘Use o a hard l ev el surfa ce, e.g co crete.’

c) ‘Securel y ch ck whe ls remain in g o t he

gr ou d , a nd a pl y t he h an dbrake.’

d) ‘E x ercise car e wh en u sin g with a tra iler or a

t hr ee whee l ed ve h icl e.’

The n tic sha ll also give instructio s to co er sa fe

use oft he ra m ps u d er the co d itio s in wh ich they

ar e l i e l y to be empl oye d, i n pa rticula r the fo l l o w i ng

sha ll be det a iled

-

ho w to set t he ra m ps ou t;

- ho w todrive o to them ;

-how to d esc nd saf l y

Warni ng s shall be g iven re gardi n g ha za rd s to peo le

i n t he immediate a rea An spe ial provisio s or

proc d ures to minimize the risk ofi nju ry or dama e

sha ll be cl earl y spe cifie d

The m a teria ls ofthe n tic shall be wate rpro fand

the mi ni mum ty esiz for th e bo dy oft he t ext sha ll

h av e a height of2 mm

Marking BS A U 2 4 o or in rela tio to a prod uct r epr ese t s a ma nufa ct urer’s d ecla ra t io ofco form it y, i.e a claim b or o b haif

oft he ma nufa cturer th t th prod uct meet s th r eq uirem ents ofth sta nd a rd Th a ccura cy oft he cla im is t herefor e solely t he

c l ma nt ’ resp nsibi t y Such a d ecla ra t io is n t o b co fused with th i rd party certifica tio ofco form it y, which ma als o b

d esira ble

2

O BSI 19 9 7

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BS AU 2 413 : 1997

Ba se pla ne -I

Figur 1 Height ofa typical vehicle ramp

P roje ct e d pi an ar ea

of th b s

Figur 2 Base width o fa typical vehicle ramp

rB arier stop

Figur 3 Typical vehicle ramp

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STD-BSI BS AU 22 B-ENGL L797 aS lb24bb7 üb47038 2b l M

BS AU 2 4b : 1997

Clas ificat ion ofvehicles a cc r ding to the

EU

Categ ry De initio

M

M1

Motor v ehi c l es with a le ast fou r w heel s

u se d for the c ari ag e ofp as eng ers

Vehicles u sed for the cari ag e of

pas s engem an d c ompris ing n mo re thn

ei g ht se ts in a di ti o n to the driver’s

se&

Motor vehic les with at l east fo u r w heel s

us ed fo r the ca nia ge ofgo ods

Vehicles us ed fo r the c ari ag e ofg o o ds

and h vin a ma jmum mass no t

ex c e edi ng 3.5 to nnes

N

N1

N OT E Th se d efinitio s ofv hicle ca t eg ry are als o used, with

v e ry slght ed it oria l d iferences, b th U E co om ic Comm is io

for E ur op (E EY ee a

Annex B (normat ive)

Rol -of and overt ravel tes t

B.l Principle

A sp e c i fi e d forc is ap p l i ed horizontaly to a vehic le

whic h is sec u rel y mo u nted o n a pair ofwhe l ramp s to

determi ne w hether the vehic le robof the ramps

B 2 Ap aratus

B.2.1 Te st wehi.de, a s ad r two- whe l- drive, fo u r

w he led p ro du c ti o n p as eng er c ar, w i th a nomin l

road w he l rmdi ameter ofa le ast 3 0 mm

(1 i nc hes) The vehic le mas

sh i

be known to

within 50 kg

B.2.2 Me u m o ap lying the ho izontal f r ce,as

spe cifie d

B.2.3 M eu m of measurin the ap li ed f r e, to within

f2%%

B.2.4 Me u m of c ntr i i i ng m a smo ement of the

veicle, ifrol-of oc u rs, w i tho u t afec ting t he test

p ro cess

B 3 Proc d re

B.3.1 Mo ntth e fro nt ofthe test vehic le o a pair of

the ramp s u n de r ts o a hard, level su rfac e E n su re

t ha n ir\iwy c noc u r ifthe vehic le does co me of

the ramp s

B.3.2 Take the test vehic le o t ofg ear (or ou t of

‘Pak’and rel ease th e h ndb rake.Dono t c ho ck the

whe ls

B.3.3 Ap ly a re arw ard ho ri z o ntal for ce,f, to the

vehic le a a c o nv eni e nt p o i nt an d n ote wh e th e r rol-of

oc u rs, us in the formula:

f= 0.5~

w here:

f

v

is the forc i n new to ns;

is the mas ofthe t est vehic le in kio rams

B.3.4 Remo unting the vehic le ifnee-, ap p l y the

same forc in a forwards di rec ti o n t esta li sh wh e th e r

o v ertrav el OCCUIS

B.3.6 Rep eat t he test proc du re B.3.2 to B.3.4 with

the rea r ofthe v ehi cle re ve rsed o n the ramp s Note

w hether rol-of or o v ertrav el oc u rs

B.3.6 The ramp has passe d the test ifther e is n

o v ertrav el

Annex C (normat ive)

Te st fo r longitudinal movement

C.1Principle

Toesta li sh t hat it is p o ssi b l e to asce n d an d desc e nd

the ramps w i tho ut th e ir mo in ex c essi v el x u n der

no rmal co ndi ti o ns

C.2 Ap aratus

C 2 1 A test ve hicle , as desc ri bed in B.2.1

C.2.2 Anar a o fi mdr c nc ete,fa an d level ,

with a smo o th su rface free from ri dg es that ar e vis ible

to the n ke d eye a nd w i th a c o e ffi c i ent offri cti o n

of0.6 * 0.1 when measure d w i th a fri c ti o n tester

manu fac ture d in ac ordan ce w i th the des ign

re c o mmende d by the ?i.ansp rt

Rese arc h

La oratory

(se e BS 812 : Pas 1 4 : 19 9 for a desc ri p ti o n ofths

des ign oftester)

C.2 3 Mea s of mar k ing the ra m ps’ p sition on the

J or a d measurin a 9 mo ement to within 2 mm

C 3 Proc d re

C 3 1 Se t o t the ramp s as re qu i re d in t he

manufactu rer’s in stru ction s, a nd mark th e ir p o si ti o n o n

the flo r

C.3.2 Drive t he vehic le forwards u the ramp s, to sto

o n t he platîorm se ction s

C 3 3 Meas ure a y movement ofeith e r or b th ofthe

ramps to within 2 mm Remark the fl o o r p o si ti o n if

ne-

C.3.4 Revers e the vehic le dow n the ramp s an d

measu re a y fu rth e r movement

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STD-BSI BS AU 22 B-ENGL i997 lb24bb9 Ob47037 1 TB PI

AnnexD

BS AU 224b:19 7

C 3 6 Repeat the test proc du re C 3 1 to C 3 4,

re ve rsi ng u the ramp s, then drivin do w n them

C.3.6 Fo r the r mps to pa ss the tes, nei ther ramp

shal mo e mo re th an 50 mm when the vehic le is

driven o n n or when it is driven of

'Ièst oframp inc ine section strength

D.l Principle

A loadin devic e whic h si mul ates a p as eng e r ca r

whe l an d tyre is use d to apply a verti c al

tes

lo ad to

t he i nc l i ne se tio oft he ramp The lo ad is i n cre ased

to 1.5 ti mes the rate d c ap ac i ty ofthe ramp The ramp is

th en ex ami ned fo r b re akag e or excessi v e deormation

D 2 Apparatus

D.2 1 Hydmul c test rig, or oth er su i ta l e devic e

cap able ofa plyin the requi red forc an d h vin a

me ans ofi ndi cati ng the forc ap p li ed to within 2 %

D.2 2 Lar eJ t plate, c ap able ofsu p p o rti ng th e b se

ofthe ramp d rin the tes

D.2.3 Meam ofmasuring the height of the mmp

icln se tion,atse l ected p in ts, to within 1 mm

d ring the tst

D.2 4 Th loa i ng W e ,as sho w n in figure D.1 The

sem icircula r ste e l former, 2 0 5 m m o u tsi de ra ius

an d 10 5 mm wide, is c o v ered with a so l i d strip of

ru bbe r 4 5m in thickn e ss, sh re hardn e ss 4 to 50

D 3 Proc d r

D.3.1 Se le c t the p o i nt

o

the i nc l i ne se tio mo st

lkely to suffer ma imum de fo rmati o n an d measure its

height ab o ve the b ase

N T This is n ormal l y th e p int fur t hest from a y su p rt s Th

test ma hav to b rep a t ed o n w sa mples e ch time, if it is

u clea r

D.3.2 Mo nt th e ramp o n the p l ate w ith the sel e cte d

p o i nt vertic aìy u n der t he c ntre ofthe lo ading dev i c e,

with the u p p er fac ofthe lo ading devic e ho ri z o ntal

an d the ai ofth e c u rved se c ti o n acros th e ramp

D.3.3 E n su re that th e lo ading devic e, the ramp and

the piate a re securel y l ocate d s o t ha ther e is n

d ng er ofth eir s lip ping o r b ein e xp el l ed u n de r t he

lo ad

D.3.4 Ap ly a Vertical forc to th e i nc l i ne se tio

eq ivalent to 1.5 t me the ma u fac tu rer's rated

c ap ac i ty fo r the ramp , at a rate no t

e xc e edi ng 10 kN/min an d hold it for 6 s

D 3 6 Meas ure the ma imum defl ec ti o n oft he i nc l i ne

sec ti o n

D.3.6 Remo e the l o ad an d ex mine for breaks or

fractu re Meas ure the heig ht ofthe initial se l ected

p o i nt a o v e the base, an d cal c u late the pe rc n tage

re du c ti o n in hei g ht, if an

D.3.7 The ramp shalbe de emed t h v e passed t he

test ifth ere ar e n breaks or fractu res an d ifthe

ma imum defl ec ti o n is l es th an

2 o

F orc e Ste l plate, 8 m m

/

I

R ub b e r s trip

40 mm f 5 mrn th i ck

R = 2 0 rnrn k 5 m m

'Ste l pla te , 8 rnm

mi n i mum thickn ss

Figur D.l Ramp lo ding devic

O B S I 19 7

5

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2248-ENGL

1997 E 1b24bb9 Ob47040 9LT W

BS AU 22 4 b :1997

An ex E

%t oframp platform s ectio n strength

E.l Principle

The lo ading devic e (figure D.1) is use d t o app ly a

verti c al test load to the p latform se ctio oft he ramp ,

eq ivalent to do ubl e the rate d c ap ac i ty ofth e ramp

E.2 Ap arat us

The same ap aratus as sp clf d in D.2

E.3 Proc dur

E.3.1 Se le c t the p o i nt o n the p latfo rm se tio lkely to

suffer ma imum defo rmati o n an d measure i s height

a o v e the b as e

NO TE T h is is n ormal l y th p int fur thest fr om a ny sup ort s The

test ma y ha ve t b rep a t ed o n w sa m ples ea ch time, if i t is

u n cl e ar

E.3.2 Mo nt the ramp o n the pl ate w i th the sel e cte d

p o i nt vertic aly u nder the ce n tre ofthe loadin de vi c e ,

w i th th e u ppe r fac e ofthe loadin dev i ce ho ri z o ntal

an d t he ax is ofthe c urv ed se tio acros the ramp

E.3.3 E n su re tha t t he lo ading devic e, the ramp a nd

t he p& a re sec u rel y lo c ate d so that th ere is n

d ng er ofth eir s lip ping or b ein exp el l ed u n der l o ad

E.3.4 Ap ly a verti c al forc to the p latfo rm se tio

eq ivaient t o tw i ce the manu fac turer's rate d c apac ity

for t he ramp , at a rate n ot ex c ee di ng 10 kN/min an d

ho ld it for 60 s

E 3 6 Meas ure t he ma imum defl ecti o n ofthe

platform secti o n

E.3.6 Remo e t he lo ad an d e xami ne fo r bre aks o r

fatue Meas ure th e height ofthe iiil se l ected

p o i nt ab o v e the base , an d cal c u late a y p erc entag e

redu c ti o n in height

E.3.7 The ramp shal l be dee me d to h v e p as e d the

test ifther e ar e n breaks or fra tures an d ifth e

p erc e ntag e ma imum defl ec ti o n is l es thn5 %

Wst for permanence ofma rk i n g

F.l Principle

The ramp markin is lg tly ru bbed w i th b th pe trol

an d wate r to c onfirm p erma e nce

F.2 Ap arat us

F.2.1 S uitabl e b ths,to hold the samp l e in the

so lv ents, w i th adeq u ate ume exbrac tio n an d

a pro ri ate safety pre au tion s for t he h n ling oft he

fuel

F 2.2 S up l y of commecial u leaded p tr l

c onformin to BS E N 2 8

F.2.3 S p ly of cl ea c ton ra

F 2.4 S p ly of c0mmecia.ìl iq id deterge t

F 3 Proc d r

F.3.1 Immers e the marked ar ea oft he te s t samp l e in

the pe trol for io min at 2 0

'

2 "C

F 3 2 Remo e from the pe trol an d ru b the markings

o ver a are ap p ro x i matel y 10 mm x 50 mm w i th firm

han d pres u re for 30 s, usin coto rag d mped in

p etro l

F 3 3 Dry the samp le tho roug hly in a cu rre n t ofd y

air, th en i mme rse in c l ean wate r in w hi ch 0.5 % b

v lume ofdeterg ent has b ee n dis s olved Lea e for 2 h

F 3 4 Remo e from the water an d ru b the marking s

over an ar ea ofap p ro x i matel y 10 mm X 50 mm with

firm h n pres ure for 3 s,us in coto rag d mp ed in

the water

E3.6 Ex mine the tes area for legibi ty and

p e rma e nc e ofthe markmg

NO TE F or e se of ha nd lin , t he m a rked are may b cut from th

ra mp wh n prepa rin th e test sa mple

F 3 6 The markin proc s p s es t he ts ifthe

markings remai n leg ib le

at20 o +2"C

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