council direct june approxim law member state relat steer equip motor vehicl trailer eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe technic requir motor vehicl satisfi pursuant nation law relat inter alia steer equip requir differ member state member state adopt requir addit place exist rule order eec type approv procedur subject council direct februari approxim law member state relat type approv motor vehicl trailer appli respect type vehicl adopt direct articl purpos direct quot vehicl quot mean motor vehicl intend road bodywork wheel maximum design speed exceed kilometr hour trailer except vehicl run rail agricultur tractor machineri public work vehicl articl member state refus grant eec type approv nation type approv vehicl ground relat steer equip equip satisfi requir set annex articl amend adjust requir annex account technic progress adopt accord procedur laid articl council direct februari type approv motor vehicl trailer articl member state put forc provis requir need order compli direct eighteen month notif forthwith inform commiss thereof member state ensur text main provis nation law adopt field cover direct commun commiss articl direct address member state brussel june council presid harmel oj oj oj annex definit steer equip quot steer equip quot mean equip purpos alter direct movement vehicl steer equip consid includ steer control steer gear steer wheel applic special equip produc addit independ power steer control quot steer control quot mean part directli oper driver order steer vehicl steer gear case motor vehicl quot steer gear quot mean compon steer control steer wheel except special equip refer item steer gear mechan hydraul pneumat electr combin case trailer quot steer gear quot mean compon transmit steer wheel forc order obtain chang direct movement vehicl steer wheel quot steer wheel quot mean wheel align alter directli indirectli relat vehicl order obtain chang direct movement vehicl special equip quot special equip quot mean part steer equip addit independ power produc addit independ power produc mechan hydraul pneumat electr system combin oil pump air pump batteri type steer equip depend sourc power deflect steer wheel type steer equip distinguish manual steer equip steer power provid sole muscular power driver assist steer equip steer power provid muscular power driver special equip refer item servo steer equip steer power provid sole special equip refer item steer effort quot steer effort quot mean forc exert driver steer control order steer vehicl construct fit inspect requir gener requir steer equip ensur easi safe handl vehicl vehicl equip assist steer detail requir steer control steer control easi easi handl design permit gradual deflect direct movement steer control correspond desir chang direct vehicl steer effort requir achiev turn circl metr radiu start dead ahead posit exce kilogramm case assist steer devic auxiliari power suppli fail steer effort requir exce kilogramm order check complianc requir item vehicl describ spiral movement speed kilometr hour start dead ahead posit steer effort steer wheel note moment steer wheel reach posit vehicl enter turn circl metr radiu steer effort exce valu laid durat manoeuvr time moment steer control oper moment reach posit measur exce second normal case second addit power suppli fail manoeuvr made left test vehicl load technic permiss maximum weight tyre pressur distribut weight axl manufactur steer gear steer vehicl event total partial failur hydraul pneumat electr compon steer gear mechan steer gear design meet oper requir easili access mainten inspect steer wheel rear wheel steer wheel requir nut appli semi trailer motor vehicl rear wheel steer subject test driver rear wheel straight line make abnorm steer correct flat horizont road speed kilometr hour maximum design speed kilometr hour trailer subject test item speed kilometr hour technic permiss speed state manufactur kilometr hour case trailer equip axl steer wheel trailer semi trailer equip axl steer wheel special equip servo steer equip permit assist steer devic sourc addit power includ power reservoir sourc power compress air reservoir compress air protect return valv steer vehicl special equip fail correct corrigendum publish oj septemb