Bsi bs au 050 4 4 1a 1995 (iso 4251 3 1994) scan

~ ~- ~ I : II624669 D500IIlL 222 * * BRITISH S T A ND A RD AUTOMOBILE S ERIES W - - - - W A U 5U : Fart 4: Subsection la : 995 v r e s and wheels [SO 4251-3: 994 rW4F 20 pages Part Rim p ro files and dimensions S ectio n Agricultural tracto r and machine rims Subsection l a Specification for ply-rating marked series rims Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy 6 0 LL2 L b B S AU 50 : Part : Subsection l a : 1995 Committees responsible for this B ritish Standard The preparation AW4, of this British Standard was entrusted to Technical Committee mes and wheels for road vehicles, upon which the following bodies were represented Agricultural Engineers’ Association Automobile Association British Industrial Ihic k Association British Pressure Gauge Manuhdwers’ Association British Rubber Manufactureis’Association Confederation of Passenger Transport UK Department of n-dnsport Freight lkansport Association of Road ‘Ii-ansportEngineers (Inc) Motor Cycle Industry’ s Association of Great Britian Ltd Institute Motor Industry Research Association National w e Distributors’ Association Retread Manufac turers ’ Association Road Haulage Association Ltd Society of Motor Manufacturers and W e r s This B ritish S tandard, having been prepared under the direction of the Engineering S ector B oard, was published under the authority of the Standards B oard and comes into effect on 15 October 995 O BSI 995 Amendments issued since Dublication S econd edition October 995 Amd No Date Text affected The following BSI references relate to the work on this s tandard Committee reference AUE74 Draft for comment 9U72856 DC IS B N O 680 24766 Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy I I Ltd m ~ b29bbï 0500113 OT5 = B S A U 50 : Part : Subsection 4.la : 1995 Contents Page Committees responsible Inside front page ii National foreword S p ecification Scope Normative references Rim c hne te rs and circumferences Rim contours and valve holes 10 Ri mhurli ng Annexes A (normative) Rim diameter measurements 11 B (informative) Rims with nominal diameter codes 5.3 and 16.1 13 C (informative) Bibliography 14 làb les Rimdiameters Dimensions of W and DW rims Dimensions of DH rims Dimensions of other drop-centre rims Dimensions of SDC rims Dimensions of divided ri m s 10 A.l Mandreldimensions 11 B.l Dimensions of rim size W1 C 13 B Dimensions of rims size 9.00 13 fi g u r e s Specined Contour of Contour of DH rims 6 Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy rim diameter W and DW rims Location of valve holes in DH rims Contour of other drop-centre rims Optional locaíion of 15.7 mm valve hole Location of valve hole in comer of weli Contour of semidrop-centre rims Location of valve holes in SDC rims 10 Contour of divided rims 11 Rimknurllng A.1 Specined rim diameter and mandrel 10 diameter 12 i 162 667 BS AU 50 : Part : Subsection 4.la : 0 L L4 T I H 1995 National foreword This Subsection of this Part of BS AU A W and is identical to IS 4251 50 has been prepared by Technical Committee (ply-rating marked series) and rims Rims, published by the International 994, ïj g- e~ fo r agricultuml tractors and machines : - Part Organization for Standardization (ISO) It supersedes BS AU Subsection : 50 : Part : 1991 which is withdmwn The corresponding tyre details are dealt with in Part (Subsection la) Other Parts of the Standard are: Part1 Part2 Part3 Part q.p.9; Wh e&andrim; valves of BS AU 50 (rim profiles and dimensions) was introduced to assist cross-referencing between tyre specifications and the corresponding r im specifications Subsections of Part successively superseded the information contained in BS AU Part : Section l b : 980, which is consequently withdrawn in 1995 50 : Cross-references International standard Corresponding British Standard BS AU IS 42092 : 50 q.p.9 and wheels Rim profiles and dimensiuns S e d o n Commercial vehicle r i m s Subsection 2.1 Spedfkation fo r metric series rims Part 993 (identical) The Technical Committee has reviewed the provisions of IS 4000-2 normative reference is m ad e use in codunction with in the : 19871) , to which and has decided that they are acceptable for text, this standard Compliance with a B ritish Standard does not of its elf confer immunity from legal obligations IS 4000-2 : Subsection 1 Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy 1987 is superseded by IS : 1992 4000-2 : 1994 which is identical wi th BS AU 50 : Part : I S 4251 -3: 994(E) INTERNATIONAL STANDARD Tyres (pl y rati n g m arked seri es) an d ri m s for - ag ri cu l tu ral tractors an d mach ines Part 3: Rims Scope This part of I S 4251 sets ou t ri m d i m en si on s for Ri m d i am eters an d circumferences N om inal ri m d i am eter codes D , are as sh own in tyres of th e pl y rati n g marked seri es for agricu l tu ral tabl e rel ated to th e speci fi ed ri m d i am eter gi ven in tractors and mach ines fi g u re Tyre desi gnation and dim ensi ons, tyre cl assificati on and load ratings and n om en cl atu re are gi ven For ri m d i am eter m easu rem en ts, see annex A in I S 4251 -1 , I S 4251 -2 and I S 4251 -4 respecti vely A tolerance of & ,2 m m on th e ri m ci rcu m feren ce i s The ri m s speci fi ed i n th i s part of I S 4251 perm i tted be u sed for th e tyres speci fi ed i n may also IS0 7867-1 21 and I S 8664[31 All dim ensions in th i s part of I S 4251 are gi ven i n Ri m contours an d valve holes m i l l i m etres NOTE Term s u sed are in accordance with I S 391 :1 977[1 The Drop-centre W an d D W ri m s Dim ensi ons and tolerances of d ro pce n tre W and DW ri m s N orm ati ve references fol l owi n g standards contai n th rou g h referen ce i n th i s text, shall be as gi ven in tabl e an d sh o wn in fi g u re provi sions wh i ch , sti tu te provi sions of th i s part of I S 4251 At th e ti m e of pu bl ication, th e The ri m '04 valve 5,7 m m hole shall have a d i am eter of m m and may be on ei th er side of th e ed i ti on s i n d i cated we re valid All standards are su bj ect 30" f t o revi sion , and parti es to ag reem en ts, based on th i s The nom inal valve seat angle is part of I S 4251 for valve-to-vehicl e clearance, opti onal valve seat an- are encou raged to i n vesti g ate th e 5" To provi d e possi bi l i ty of applyi ng th e m o st recent ed i ti on s of th e gl es of 45" m axi m u m are perm i ssi bl e For any angle standards i n d i cated bel ow M em bers of I EC and I S sel ected for a given ri m, th e toleran ce i s & 5" mai ntain reg i sters of cu rren tl y val id I n tern ati on al Standards I S 4000-2:1 987, Passenger car tyres and rims 4.2 Part 2: Rims 4209-2:1 993, Truck and bus tyres and rims (metric series) - Part 2: Rims IS0 Drop-centre DH ri m s Dim ensi ons and tol erances of d rop-cen tre DH ri m s shall be as gi ven i n tabl e and sh o wn in fi g u re The locati on of valve holes is sh o wn i n fi g u re Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy I S 42 : 9 (E ) " 81 Figure Tyre - m o u n ti n g si d e - Specified ri m diameter l) 33 m ax?' Val ve 1) i s 21 Th e t yre - m o u n t i n g Fl an g e wi d t h wi d th s h a l l 3) si d e i s th at si d e o f th e ri m f o r wh i ch th e d i m en si on M ap p l i e d be i n c l u d e s ed g e l o we r th an th e Th ese d i m e n s i o n s co m p ri s e d i u s h i g h est th e Th e p o r t i o n of po i n t fl an g e o f th e minimum w e l l fl an g e e n ve l o p e b e yo n d t h e f o r minimum t y re - m o u n t i n g p u rp o s e s 41 Fo r an y an g l e s e l e cte d f o r a g i ve n ri m th e to l e ran c e Figure Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy i s 5' - Contour o f W and DW rims h ol e ~~ = ~ b2 bbï 0 1 7 50 Tabl e - 4251 -3:1994(E) Rim diameters ~ Nomi n al ri m diameter Specified ri m d i am eter') code 1) D R D 202.4 227.8 10 253,2 12 304 13 329,4 14 354 15 380.2 16 405,6 17 436,6 18 462 19 487.4 20 51 2.8 24 61 4.4 26 665, 28 71 30 766, 32 81 7,6 34 868, 36 91 9,2 38 970 40 020, 42 071 , 44 1 22,4 46 1 73,2 48 224 The specified rim diameters, D, i n millimetres, are derived from the nominal rim diameter codes, DR, as follows: G a) D R b) D R > 6, 6, D = 25,4(DR D = 25,4(DR - 0,031 25) + 0,1 87 5) The values are rounded to 0.1 mm Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy = ~ Lb24669 50 LL8 68 = I S 4251 -3:1 994(E) Table I - Dimensions of W and DW rims - - I ?i Rim si ze R3 R5 a max max - 52,5 6" W 203 W H - 10 54 W l O H w 6" 228,5 w w 5" I W L 10 L I 11 w 11 279.5 w 12 305 W1 330 20.5 ~ I W1 4L 355,5 W1 5L 381 W 16 L 406,5 W1 7L 432 W 18 L 457 DW 1 I 279,5 I I f 5" 6.5 2.5 DW L 27 355.5 DW L 4.5 I D W1 7L DW A I 432 I 20 406,5 D W 20 A 27 fi D W 25 A Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy - - - II624669 0500IIII7 W I S 4251 -3: 994(E) Tyre- m o u n ti n g si d e" - B re ak co rn e r e q u i val e n t 16 to R O S - min.21 A N QUY ) The tyre- m o u n ti n g side i s t h a t si de o f th e r i m f o r which th e dimension 21 max i s appl i ed ) Fl an g e wi d th i n cl u d es edge d i u s The p o rt i o n o f f l a n g e beyon d th e minimum wi d th s h a l l b e l o w e r t h a n th e h i g h est po i n t o f th e fl an g e ) These dimensions com pri se th e minimum w e l l en vel ope f o r tyre - m o u n ti n g pu rposes Fi g u re - Con tou r of DH ri m s A valve hol e i n th e corner of th e we l l as sh own i n Tabl e I - I I A Rim si ze 4.3 fi g u re is an optional l ocation and provi des val ve-to- Di m en si on s of D H ri m s I DH 21 533, DH 27 686 tol vehi cle cl earance Valve seat angl es of " m i n i m u m to 50" m axi m u m are perm issi ble For sel ected for a given ri m , th e tolerance is I any angle 5" f 6, 4.4 Sem i -d rop-cen tre ri m s Di m en si on s and toleran ces o f semi -drop-centre ri m s Other d rop-cen tre ri m s shall be as given i n tabl e an d sh o wn in fi g u re Dim ensi ons and toleran ces of oth er drop-centre ri m s shal l be as g i ven i n table and sh o wn i n fi g u re The l ocation of valve holes is sh own i n fi g u re9 The normal locati on of valve hol es i n th ese ri m s i s sh own i n fi g u re5 The val ve hole may be on ei th er 4.5 Di vi d ed ri m s si de of th e ri m we l l Di m en si on s and tolerances The valve h ole di am eter shall be a) 5,7 m m of di vi ded ri m s shall be as given i n tabl e and sh o wn i n fi g u re O m m fo r ri m s of nom inal ri m diam - The l ocation of valve h ol es is sh own i n fi g u re eter code and above; The val ve hole di am eter shall be b) 1 ,3 mm + t 4m m for ri m s of nom inal ri m diama) eter code and bel ow 5, m m + t 4mm for ri m s of nom inal ri m diam - eter code and above; An opti onal locati on of val ve holes in ri m s of diam eter code 5, m m and +!*4 above (val ve h ole m m ) is sh own i n fi g u re6 diam eter b) 1 ,3 m m +y m m fo r ri m s of nomi nal ri m di am- eter code and bel ow Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy ~~ m 162 669 0500 12 235 = I S 4251 -3:1 994(E) 11 M n t n max dimensi on by co u n te rb o ri n g on th e we ath e r si d e o f th e r i m on l y Fi g u re - Locati on of valve h ol es i n DH ri m s Tyre-m ou n ti n g si d e’ ) - B re ak co rn e r e q u i val e n t t o -B R 0.5 2) A M P L ” - I, c1 z I ) The tyre - m o u n ti n g s i d e i s t h a t si d e o f th e r i m f o r wh i ch th e di mension M i s appl i ed 2) Fl an g e wi d t h i n cl u d e s edge d i u s The p o r t i o n o f f l a n g e beyon d th e minimum wi d th s h a l l be l o w e r t h a n th e h i g h e s t p o i n t o f t h e fl an g e ) These dimensions com pri se th e minimum w e l l e n ve l o pe f o r tyre - m o u n ti n g pu rposes Fi g u re Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy - Con tou r of oth er d rop-cen tre ri m s I S 4251 -3:1 994(E) * - Tabl e Rim rire1 ) to l 50 A 50 C 3.00 D 1 50 D 5 18 18 I 10 I 16 Di m en si on s of oth er d rop-cen tre ri m s - - R4 a 2) min - - Val ve hole: see fi g u re O" - 32 3" ~ 22 lo" 0 E 01 5 KA I I2 38 - 50 E /2 K 19 5" 26 20 2, - 23 - - 12 1 4, 20 10 F 0 O" or - 13 22, 26 16 19 27 I K 20 5" I I 39, 5 /2 K 22, 52 LB >I - 22 I O" or 5" or 78 lo" I I 228, 0LB I 254 5" O" or 00 5" 12 I 14 25, - 3555 sizes 0 B, J, /2 J, an d /2 J, see IC0 4000-2 an d /o r I S 42 - 1) For r i m 2) Laraer val u es rnav b e reau i red t o en su re s u ffi ci e n t seace fo r tu b e l e s s tvre val ve ceati n a Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy W I1 624669 0500322 008 W I S 4251 -3: 994(E) Local d epressi on to c l e a r va l v e h e a d Fi g u re - Opti on al l ocati on of 5,7 mm val ve h ol e ) For an y a n g l e s e l e c t e d f o r a g i ven rim, t h e t o l e r a n c e i s t5’ Fi g u re R - Locati on of val ve h ol e i n corner of wel l min.” A ) Fl an g e wi d th i n cl u des ed g e d i u s The p o rt i o n o f f l a n g e beyon d th e minimum wi dth s h a l l be Lower t h a n th e h i g h est poi nt o f t h e fl a n g e N OTE - Flange and bead seat rem ovabl e on on e side of ri m Fi g u re 8 Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy - Con tou r of sem i -d rop-cen tre ri m s ~ m 62 669 50 T44 m I S 4251 -3:1 994(E) I A Rim size tol 11 12 13 279, 305 330 +5 - f 6, *IO' Fi g u re r - B re ak co rn e r e q u i val e n t t o R Locati on of val ve h ol es i n SDC ri m s 0.5 ) Fl an g e wi d th i n cl u d e s edge rad i u s The p o r t i o n o t f l a n g e beyon d th e minimum wi d th s h a l l be l o w e r t h a n th e h i g h e s t po i n t o f Figu re th e fl an g e - Con tou r of d i vi d ed ri m s Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy ~~ b24bbỵ IS0 4251 -3:1 994(E) Table Rim I si ze 50 C i ~ B I ~~ ~ ~ I 00 E 00 F 50 F Rim Dimensions of divided rims 11 +1 16.5 11, 12 7.5 12 11, 18 12, 14 13 101 12, 127 13 20 13 25 85 14 22, 14 23.5 9, 15, 20 22, 10, 14, 19, - 23 9.5 10.5 15.5 63.5 139 5 112 K 00 F - G 76 00 D 50 98 12 13 152, knurling b) kn u rl i n g on bead seats sh o wn as for ri m s wi t h in m ax 3, 5 10 6, 12 12 11 max 14 12 11 16 21 20 26 kn u rl i n g wi d th shall be m m m i n for ri m s w i t h bead seat wi d th Transverse rnax P, , , P, , , < 33 m m and 20, m m m i n 33 mm; fi g u re 1 i s m andatory on W, DW and DH ri m s of ri m wi d t h codes or wi d e r wi t h nom i n al d i am eter C) th e pi tch of kn u rl i ng shall be , m m to 3, m m ; dì th e d e pth of kn u rl i n g shall be 0.4 m m to 0,8 m m ; cod es 24 or larger The fo l l o wi n g speci fi cati on s apply: a) kn u rl i n g shall start 9,5 m m f 0,8 m m fro m th e fl an g e and shall be ,6 m m m i n fro m th e bead Figu re 1 10 th e m i n i m u m h ei g h t of kn u rl i ng sh al l be 0, m m above th e bead seat plane seat radi u s (see fi g u re 1 I ; Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy e) - Rim kn u rl i n g Annex A (n ormati ve) Rim diameter measurements Ri m di ameter m easu rem en ts (see clause 3) shall be perform ed u si ng a ball tape ch ecked on a have nom i nal ci rcu m feren ce or m axi m u m ci rcu m ference mandrel (see f i g u r e A l ) The ball di am eter sh ou ld usually be Ball si zes oth er th an m m m ay be u sed i f a su i table mm alterati on t o th e m andrel di am eter and ci rcu m feren ce d i m en si on s i s made (see t a b l e A l ) I t wi l l be l e ft t o th e di screti on of th e i ndi vi du al n ati onal standards org ani zati on wh eth er th e m andrel sh al l Table A l - Mandrel dimensions Nominal rim Nominal Nominal Maximum diameter mandrel mandrel mandrel mandrel code diameter circumference1) diameter circumference1 )z) DM D R UM Maximum DM,rn ax 201 ,O7 63 , 201 , 45 63 2, 9 226 , 47 71 ,5 226, 71 10 251 , 791 ,3 25 2, 25 12 02 67 0, 03 , 05 13 28 , 07 03 0, 28 , 45 03 14 , 47 1 0, 353,85 1 1 ,7 378,87 1 90, , 25 1 91 ,4 16 404 , 27 27 404, 65 27 , 17 43 22 67 43 , 68 , 18 460, 62 447 19 48 6, 02 20 51 , 24 26 46 1 448 , 26 468 28 , l 606 , 51 607 61 , 25 61 , 663 , 2 08 664, 2 08 28 4, 62 245 , l 71 24 30 65 , 2 404, 65 , 405 , 32 6, 22 64, 6 65 ,4 34 02 23 , 867,4 25 36 91 , 2 883,4 91 2 8 38 968,62 927 043 969 04 , 40 01 , 42 202 01 9, 203 42 07 0, 22 3 62 07 44 1 21 , 02 21 , 1 21 , 23 46 1 71 ,82 68 , 1 2 68 48 222 62 41 223 3 63 , 42, 11 Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy ~ m 6 050 032 m I S 4251 -3:1 994(E) E a a e Figure A l 12 Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy e - Specified ri m diameter and mandrel diameter ~ = Lb24bb9 0500327 b9T I S0 4251 -3:1994(E) Annex B (i n form ati ve) Rims wi th nominal diameter codes 5.3 and 6.1 B.1 M an drel d i m en si on s: This annex has been drafted t o recogni ze th e exi sten ce of th e and ri m sizes onl y These ri m sizes are n ot i n h arm on y wi th exi sti n g DM: worl d 406, mm UM: stan dardized sizes For reasons of safety, th e use of DM, max: 406, 56 mm 276 m m 277, m m th ese ri m sizes shou l d be restri cted to th e m em ber cou n tri es wh ere th ey are presen tl y i n u se N o n e w B.2.2 Rim 5.3 x 9.00 designs sh ou l d em pl oy th ese ri m sizes N om i n al ri m di am eter code, B.2 The tech n i cal data of th e form erl y standardized DR:1 Speci fi ed ri m di am eter, D : 388, m m ri m s wi th nomi nal di am eter codes and are g i ven i n and 2 Di m en si on s and tol eran ces are g i ven i n tabl e B.2 an d sh own i n fi g u re Rim B 2.1 16.1 x W 11 C M an drel di m en si on s: N om i n al ri m di am eter code, DR: DM: 386, 98 Speci fi ed ri m di am eter, D : 407, m m UM: mm D Ma rn a x 387, : 36 m m 21 5, m m U M ,,,: 21 m m Di m en si on s and tol erances are g i ven in table and sh own i n fi g u re Tabl e B l - Tabl e B.2 B A Rim si ze ~~ 9.00 228, to to ll m m ii n n I , 12 G f f H ') Di men si ons of rim si ze W 1 C C Di men si ons of ri m si ze 9.00 L M P RI R3 R4 R,o a 1) Val ve -.- hole:e ,see , 1 19 34 11 50 m ax 60 25 m ax - i ) Larg er values m ay be re q u i re d t o en s u re s u ffi ci e n t space fo r t u b e l e s s t yre val ve seati n g Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy R, 11 6, - fi g u re 5" 5or 13 162 669 0500328 526 I S 4251 -3:1 994(E) Annex C (i n form ati ve) Bibliography 391 : 1977, Wheels/rims- Nomenc/ature, designation, marking, and units of measurement Cl] IS0 [2] I S 7867-1: 1992,Tyres and rims (metric series) for agricultural tractors and machines - Part : Tyre designation, dimensions and marking [3] I S 8664:1992 Agricultural tractor drive-wheel tyres - Service description marked tyres Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy 14 (load index - speed symbol) 62 669 50 32 62 a B S AU : Part : S ubsection l a : 1995 L i s t of references See national foreword Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy - ~ ~~ ~ BS A U Part = 162 667 0500130 I184 m 50 : 4: Subsection 4.la : 1995 I S 42513 : BSI - British Standards Institution 1994 TW-6F-20 BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter C ontract r e q u i re m e n ts A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions Any person who finds an inaccuracy or ambiguity while using this British Standard should bring it to the attention of the Quality Manager, BSI without delay so that the matter may be investigated swiftly BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards B uying s tandards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services, Sales Department at Chiswick Tel: 0181 996 7000; Fax: 0181 996 7001 In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested Information on s ta n d a r d s BSI provides a wide range of information on national, European and international standards through its Libray, the Standardline Database, the BSI Information Technology Service (BITS) and its Technical Help to Exporters Service Contact the I n f o d o n Department at Chiswick Tel: 0181 996 7111; Fax: 0181 996 7048 Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards For details of these and other benefits contact Customer Services, Membership at Chiswick Tel: 01 81 996 7002; Fax: 0181 996 7001 C opyright Copyright subsists in a l l BSI publications and no part may be reproduced in any form without the prior permission in writing of BSI This does not preclude the free use, in the course of implementing the standard of necessary details such as symbols and size, type or grade designations including use by incorporation into computer programs, but where these details are reproduced including without limitation in printed form, in computer programs or in any other form whatsoever, the permission in writing of BSI must be obtained and if granted will be on t e m including royalty, before the product is sold, licensed or otherwise exploited for commercial gain Enquiries about copyright should be made to the Copyright Manager at Chiswick BSI 389 Chiswick High Road London w4 4AL 951 0-60.35k- JWD Reprodu ced by I H S u n d er l i cen se wi th BSI - U n trol l ed Copy ISB N O 680 24766 Product code 00597004 AUW4