Mack CSM 2010 - Page 68

60INSTRUMENTSANDCONTROLS
•AccessorySwitch(IgnitionPower)–Thisswitchmaybeusedtopoweroptional
accessoryequipmentthatrequiresignitionvoltage,withthekeyswitchturnedON.
•AirSuspensionControlSwitch–Thisswitchexhauststheairfromtheairbags
ofthesuspension.Itmaybeusedwhencouplingoruncouplingtrailers.
CAUTION
Whenpreparingtoconnectatractortoatrailer ,makesurethattheheightofthe5thwheel
matchestheheightoftheundersideofthetrailer.Failuretodosowillresultinthetrailer
beingimproperlyconnected.Afterthetrailerhasbeencoupledandthetrailerlanding
gearhasbeenraised,makesurethatthe5thwheeljawshaveproperlyengagedthetrailer
kingpin,andthereisnogapbetweenthe5thwheelplateandthebottomofthetrailer .
CAUTION
DUMPBODY:Alwaysexhausttheairfromthebagsbeforeraisingthedumpbodyto
protecttheairbagsandimprovechassisstabilitywhiledumping.Ifthedumpbodyis
raisedwhiletheairsuspensionispressurized,damagetotheairbagsmayresult.
CAUTION
Donotdrivethevehiclewiththeairbagsexhausted.Repressurizetheairbagsbefore
drivingthevehicle.
Note:Enginespeedandroadspeedwillautomaticallybelimitedifthevehicleismoved
withtheairbagsexhausted.