commiss direct april adapt technic progress council direct eec approxim law member state relat brake devic categori motor vehicl trailer eec commiss european commun regard treati establish european econom commun regard council direct eec februari approxim law member state relat type approv motor vehicl trailer amend direct eec articl thereof regard council direct eec juli approxim law member state relat brake devic categori motor vehicl trailer amend commiss direct eec view experi gain state art make requir stringent match close actual test condit provis direct accord opinion committe adapt technic progress direct aim remov technic barrier trade motor vehicl sector adopt direct articl annex ii iii iv vi ix direct eec amend accord annex direct pend entri forc special provis wheel anti lock system vehicl categori fit system subject provis direct eec amend direct articl januari member state ground relat brake devic refus respect type vehicl grant eec type approv issu copi certif provid indent articl direct eec grant nation type approv prohibit entri servic vehicl brake devic type vehicl vehicl compli provis direct eec amend direct octob member state longer issu copi certif provid indent articl direct eec respect type vehicl brake devic compli provis direct eec amend direct refus grant nation type approv type vehicl brake devic compli provis direct eec amend direct octob member state prohibit entri servic vehicl brake devic compli provis direct eec amend direct notwithstand paragraph member state implement provis item annex iv direct eec amend direct effect octob januari member state bring forc provis order compli direct forthwith inform commiss thereof articl direct address member state brussel april commiss etienn davignon member commiss oj oj oj oj annex amend annex direct eec amend direct eec direct eec gener provis relat unit measur specif direct eec amend direct amend accord provis direct eec amend direct eec relat unit measur purpos annex direct eec eec eec word quot weight quot replac word quot mass quot word quot maximum weight quot quot total weight quot replac word quot maximum mass quot valu forc torqu moment pressur express unit forc newton torqu moment newton metr nm pressur bar bar round valu convert unit direct effect abovement unit forc kgf kg torqu moment mkgf mkg nm pressur kgf cm kg cm bar forc vehicl mass part mass axl load calcul prescrib annex ii special provis annex definit requir construct fit item add end quot provis appli auxiliari control permit partial actuat servic brake system provid annex ii item quot item sentenc read quot part pedal bear master cylind piston piston hydraul system control valv pneumat system linkag pedal master cylind control valv brake cylind piston hydraul pneumat system lever cam assembl brake regard liabl breakag ampli dimens readili access mainten exhibit safeti featur equal prescrib essenti compon steer linkag vehicl quot item read quot vehicl fit servic brake actuat energi reservoir prescrib secondari brake perform obtain mean brake store energi provid warn devic addit pressur gaug fit give optic acoust signal store energi part system fall recharg reservoir irrespect load condit vehicl appli servic brake control time full stroke actuat obtain prescrib secondari brake perform fault servic brake transmiss devic brake adjust close warn devic directli perman connect circuit engin run normal oper condit fault brake system warn devic give signal time requir charg energi reservoir start engin quot item add end quot oper achiev valv rest valv incorpor correct function easili check driver cab vehicl tool quot annex ii brake test perform brake devic item line read quot servic brake trailer categori test manner quot item item ad quot check complianc requir annex item type test carri engin disengag test speed item relev vehicl categori fulli develop decelar applic park brake auxiliari control servic brake deceler immedi vehicl stop test carri vehicl laden complianc requir deem met brake perform achiev forc exert brake control exce valu case vehicl categori fit park brake friction line servic brake system test carri km request manufactur case fulli develop deceler deceler immedi vehicl stop quot item read quot requir relat test categori vehicl requir appli categori quot item read quot requir appli appli categori addit vehicl subject type ii test quot item read quot case vehicl fit compress air brake devic requir item consid satisfi vehicl compli provis annex iii quot annex iii titl read quot method measur reaction time vehicl fit compress air brake devic quot item read quot time determin implement provis annex round nearest figur repres th reaction time round higher quot item delet item sentenc delet item read quot case motor vehicl brake coupl trailer addit requir item reaction time measur extrem pipe long intern diamet mm join coupl head control line servic brake test volum cm deem equival volum pipe long intern diamet mm pressur bar connect coupl head suppli line tractiv unit semi trailer equip flexibl pipe make connect semi trailer coupl head extrem flexibl pipe length intern diamet pipe enter item document model annex ix quot item sentenc delet item read quot reservoir capac litr charg pressur bar test recharg test outlet brake control devic simul incorpor orific diamet mm inclus volum pipe measur orific includ coupl head cm deem equival volum pipe long intern diamet mm pressur bar control line pressur refer item measur immedi downstream orific quot item read quot brake control devic design perform affect tester quot item item ad quot simul set choic orific accord item reservoir cm join time pressur increas bar nomin pressur bar reservoir cm substitut abovement reservoir time pressur increas bar adjust pressur valu pressur increas approxim linear reservoir connect coupl head flexibl pipe intern diamet mm diagram appendix annex correct configur simul quot item read quot time elaps moment pressur produc control line simul reach bar moment pressur brake actuat trailer reach asymptot exce quot item item ad quot pressur test connect independ circuit brake system pressur test connect fit close brake cylind favour reaction time concern pressur test connect compli iso standard quot appendix simul sketch replac appendix simul annex iii item suppli connect shut valv pressur switch simul set bar bar pressur switch connect brake actuat trailer oper asymptot pressur brake actuat cf cf brake actuat line orific includ coupl head tc volum cm pressur bar pressur gaug orific diamet mm mm pp pressur test connect litr air reservoir drain valv calibr reservoir includ coupl head tc cm calibr reservoir includ coupl head tc cm ra shut valv ta coupl head suppli line tc coupl head control line brake control devic vru emerg relai valv annex iv energi reservoir sourc energi compress air brake item read quot air brake reservoir motor vehicl design full stroke actuat servic brake control pressur remain air brake reservoir pressur requir obtain secondari brake perform quot item item ad quot pressur test connect pressur test connect fit close favour reservoir mean item annex pressur test connect compli iso standard quot annex spring brake item add end quot item appli trailer quot item read quot motor vehicl system design appli releas brake time initi pressur spring compress chamber equal maximum design pressur case trailer releas brake time trailer uncoupl pressur suppli line bar uncoupl condit satisfi brake adjust close addit appli releas park brake annex item trailer coupl tow vehicl quot item add end quot case trailer pressur level pm pressur obtain full stroke actuat servic brake accord annex iv item initi pressur fix bar quot item add end quot provis appli trailer quot annex vi park brake mechan lock brake cylind item add end quot provis appli trailer case trailer pressur mechan lock exce bar achiev park brake perform singl failur trailer servic brake system addit releas brake time trailer uncoupl pressur suppli line bar uncoupl condit satisfi brake adjust close appli releas park brake annex item trailer coupl tow vehicl quot item item ad quot control actuat perform oper sequenc appli brake provid degre effici requir park brake lock brake posit cancel brake applic forc quot annex ix titl read quot model annex eec vehicl type approv certif brake devic articl council direct eec februari approxim law member state relat type approv motor vehicl trailer take account amend introduc pursuant direct eec quot footnot item read quot appli vehicl categori quot item read quot respons time dimens flexibl pipe respons time brake actuat respons time control line coupl head flexibl pipe tractiv unit semi trailer length intern diamet mm quot item item ad quot inform requir item appendix item annex ii quot annex commiss direct eec juli appendix item annex ii distribut brake effort vehicl axl item read quot case vehicl author draw trailer categori fit air brake pressur full applic brake control bar coupl head suppli line bar coupl head control line irrespect load condit vehicl pressur demonstr present draw vehicl uncoupl trailer quot item read quot condit fulfil case failur brake distribut system requir appendix fulfil mean special devic control mechan suspens vehicl event failur devic mean control stop vehicl condit secondari brake case motor vehicl vehicl author draw trailer fit air brake achiev pressur coupl head control line rang item appendix event failur mean control devic trailer semi trailer brake rate servic brake perform prescrib vehicl question attain quot item read quot mark vehicl categori meet requir appendix mean devic mechan control suspens vehicl mark show travel devic posit vehicl unladen und laden state inform enabl set devic check brake load sens devic control suspens vehicl mean vehicl mark inform enabl set devic check requir appendix met mean devic modul air pressur brake transmiss vehicl mark show mass axl load ground nomin outlet pressur devic inlet pressur maximum design inlet pressur declar vehicl manufactur state load technic permiss maximum load axl control devic axl load mass vehicl run order defin item annex direct eec axl load approxim vehicl propos bodywork run order axl load mention item relat vehicl chassi cab axl load design manufactur enabl set devic check servic load item item annex ix includ inform enabl complianc requir item check mark refer item affix visibl posit indel form mark mechan control devic vehicl fit compress air brake shown diagram quot item read quot pressur test connect brake system incorpor devic refer item fit pressur test connect conform iso standard pressur line upstream downstream devic quot item item diagram quot tr quot pm replac quot tr quot pr ordin diagram diagram ad diagram