headlamp PORSCHE 911 CARRERA 2007 5.G Owners Manual

AdjustingHeadlights
Adjustment
Pleaseobservethechapter”LIGHTS,REPLAC-INGBULBS”onpage302.
Theadjustmentismadewiththevehiclereadytodriveandthefueltankcompletelyfilled.
Thedriver’sseatmustbeloadedbyapersonora165lbs.(75kg)weightandthetirepressuresmustmeettheprescribedvalues.Afterbeingloaded,thecarmustberolledafewmeterssothatthesuspensioncansettle.
Forcheckingtheheadlightadjustment,theverticalpositionofthecutoffofthelowbeam(seefig.)hastobeprojectedonaverticalscreen(wall)indistanceof24.6ft.(7.5m)fromthefrontlensoftheheadlamp.Thecorrectpositionofthecutoffis2in.(5cm)at24.6ft.or7.5m(0.4)belowahorizontalline,xin.(cm)fromgroundtothecenteroftheheadlamplens.
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Lateraladjustmentoftheheadlightsshouldbecarriedoutataspecialistworkshopwithanopticaladjustmentunit.
Distance
Visualaimshallbeperformedatnotlessthan7.5m(thisvalueisaroundeddownconversionfromthe25-footdistancetypicaloffieldaimusingascreen).The7.5m(24.6ft.)distanceismeasuredfromtheheadlamplenstotheviewingscreen.
Floor
Thesurfaceuponwhichthevehiclerestsisflatandapproximatelylevel.
Screen
Thescreenuponwhichheadlampbeamsareprojectedisperpendiculartothefloorandthevehicle’slongitudinalaxis,flat,uniformlylightincolor,unobstructed,andwideandhighenoughtoaccommodatethevehiclebeampatternstobeaimed.
Thescreenshouldbewideenoughtoprovideatleast1m(3.3ft.)ofspaceoutboardofthevehicle’sheadlampspacing.
Adjustmentscrews
Detachsidecarpetinginluggagecompart-ment.UnscrewplasticnutA.Openthecoveroftheappropriateadjustmentscrew.Theset-tingisadjustedbyturningthehexagonsocketscrewsrightorleft,asappropriate.
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