council direct march approxim law member state relat driver perceiv nois level wheel agricultur forestri tractor eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe order implement procedur eec type approv subject council direct eec march approxim law member state relat type approv wheel agricultur forestri tractor provis adopt ensur safe work condit protect hear agricultur worker drive tractor provis member state law lai detail provis driver perceiv nois level abovement tractor dispar abovement nation law hinder trade commun imped establish function common market adopt direct articl purpos direct quot agricultur forestri tractor quot mean motor vehicl fit wheel endless track axl main function li tractiv power special design tow push carri power tool machineri trailer intend agricultur forestri equip carri load passeng direct appli tractor defin paragraph fit pneumat tyre axl maximum design speed km oj oj oj articl member state refus grant eec type approv nation type approv prohibit sale registr entri servic tractor ground relat driver perceiv nois level level limit db accord annex db accord annex ii transit period expir date fix octob accord procedur laid articl direct eec limit test accord annex annex ii increas db transit period expir date fix octob accord procedur laid articl direct eec member state author nation type approv sale registr entri servic tractor cab nois level limit db accord annex db accord annex ii articl purpos direct quot cab quot mean structur built rigid compon transpar total enclos driver isol capabl perman close servic articl member state measur ensur sale present advertis suggest tractor featur driver perceiv nois level fact possess articl amend adapt requir annex technic progress adopt accord procedur laid articl direct eec articl member state bring forc provis compli direct 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 march council presid kaufman annex apparatu condit method measur unit measur measur apparatu unit measur nois level measur db weight express db measur apparatu driver perceiv nois level measur mean sound level meter edit public intern electrotechn commiss case variabl read averag maximum valu condit measur measur made condit tractor unladen option accessori includ coolant lubric full fuel tank tool driver wear abnorm thick cloth scarf hat object tractor distort nois level tyre inflat pressur recommend tractor manufactur engin transmiss drive axl normal run temperatur radiat blind fit open measur liabl affect nois level extra equip power engin power windscreen wiper warm air fan power oper measur made part oper time engin engin cool fan oper measur made test area open suffici silent locat form instanc open space metr radiu central part radiu practic level level section solid track flat surfac gulli track clean dry free gravel leav snow slope irregular accept variat nois level caus lie error toler measur equip surfac track excess tyre nois weather fine dry wind driver perceiv ambient nois level due wind sourc nois db nois level tractor vehicl measur tow driven suffici distanc tractor avoid interfer measur object interf measur reflect surfac locat side test track front rear tractor condit consid fulfil variat nois level caus remain error toler measur discontinu durat interfer measur seri carri track method measur microphon locat mm side centr plane seat side higher nois level encount microphon diaphragm face forward centr microphon mm mm forward seat refer point annex iii excess vibrat microphon avoid maximum nois level db determin open door window tractor close seri produc cab structur close initi seri measur seri measur left open provid open creat road safeti hazard fold fold windscreen remain close nois measur slow sound level meter respons load maximum nois gear give forward speed nearest km governor control lever fulli open start load load appli increas maximum nois level found increas load time allow nois level stabil make measur nois measur slow sound level meter respons load maximum nois gear refer nois level record db record gear refer governor control lever fulli open start load load appli increas maximum nois level found increas load time allow nois level stabil make measur nois measur maximum design speed unladen tractor test report includ nois level measur carri condit gear give speed nearest km gear condit fulfil maximum design speed assess criteria measur exce valu laid articl annex ii apparatu condit method measur unit measur measur apparatu unit measur nois level measur db weight express db measur apparatu driver perceiv nois level measur mean sound level meter edit public intern electrotechn commiss case variabl read averag maximum valu condit measur measur made condit tractor unladen option accessori includ coolant lubric full fuel tank tool driver wear abnorm thick cloth scarf hat object tractor distort nois level tyre inflat pressur recommend tractor manufactur engin transmiss drive axl normal run temperatur engin cool louvr remain complet open liabl affect nois level extra equip power engin power windscreen wiper warm air fan power oper measur made part oper time engin engin cool fan oper measur made test area open suffici silent locat form instanc open space metr radiu central part radiu practic level level section solid track flat surfac gulli track clean dry free gravel leav snow slope irregular accept variat nois level caus lie error toler measur equip surfac track excess tyre nois weather fine dry wind driver perceiv ambient nois level due wind sourc nois db nois level tractor vehicl measur tow driven suffici distanc tractor avoid interfer measur object interf measur reflect surfac locat side test track front rear tractor condit consid fulfil variat nois level caus remain error toler measur discontinu durat interfer measur seri carri track method measur microphon locat mm side central plane seat side higher nois level encount microphon diaphragm face forward centr microphon mm mm forward seat refer point annex iii excess vibrat microphon avoid nois level determin tractor travel section test speed time second open door window tractor close seri produc cab structur close initi seri measur seri measur left open provid open creat road safeti hazard fold fold windscreen remain close nois measur maximum rpm slow sound level meter respons gear give speed nearest km rate rpm tractor unladen measur made assess criteria measur exce valu laid articl annex iii determin seat refer point definit seat refer point point central longitudin plane seat tangenti plane lower backrest horizont plane intersect horizont plane cut lower surfac seat pan board mm front seat refer point determin seat refer point refer point obtain devic illustr figur appendix annex make simul load human occup seat set mid point rang allow vertic adjust adjust independ horizont adjust purpos determin microphon locat refer section annex ii seat mid point horizont adjust rang descript devic devic refer consist seat pan board backrest board lower backrest board joint region ischium hump loin joint adjust height figur set devic devic set devic posit seat load forc point mm front joint backrest board lightli press tangenti backrest determin definit tangent lower area backrest lower backrest board vertic posit lightli press backrest case seat suspens adjust driver weight suspens set seat point equidist extrem posit appendix gt pic file quot quot gt gt pic file quot quot gt