Navistar ProStar+ - Air Dryer

Operation
FifthWheelOperation
WARNING
Topreventpropertydamage,personalinjury,
and/ordeath,alwaysfollowthefthwheel
manufacturer’sinstructionsforhookingand
unhookingaswellasslidingthefthwheel.
WARNING
Topreventpropertydamage,personalinjury,and
/ordeath,whenusinganassistanttoreposition
aslidingfthwheel,thedrivermustbeready
tostopassoonasthefthwheelmovestothe
desiredposition.Theassistantmustkeepfeet,
handsandbodyclearofthevehicle’stiresand
othermovingpartstopreventpersonalinjuryor
death.Thedrivermustnotbegintomovethe
vehicleuntiltheassistantisclearandsignalsthe
drivertomovethevehicle.
FifthWheelSlideSwitch(Optional)
AnoptionalFifthWheelSlideswitchmaybepresent.Thisswitch
allowstheoperatortoelectronicallyunlockthefthwheeltoallow
ittobemovedforwardorbackwardandrelockitoncethedesired
positionisattained.
Tounlockthefthwheel,pressinthetopportionof
theswitch.Theswitchindicatorwillilluminatesteadily
whenthefthwheelisunlocked.
NOTE:Thefthwheelcannotbeunlockedaboveapreset
speed(normally2mph[3km/h]).Attemptingtounlock
thefthwheelatanyhigherspeedwillcausetheswitch
indicatortoashslowly(oncepersecond).Thefthwheel
lockautomaticallyengagesifithasbeenunlockedandthe
vehiclespeedexceedsthepresetvalue.
Tolockthefthwheeloncethedesiredpositionisreached,press
thelowerportionoftheswitch.Theswitchindicatorwillturnoff
whenthefthwheelislocked.
NOTE:Afastashing(twicepersecond)switchindicator
signiesaprobleminthefthwheellocksystem.
Hook-Up
1.Fifthwheeljawsmustbeopenedfully.
2.Tiltfthwheelbacktopreventbodydamagewhen
tractorisbackedundertrailer.
3.Blocktrailerwheelsandbesuretrailerspringbrakesare
adjustedandapplied.Neverchaseatrailer.
4.Makesurebrakehosesandlightcordsareclearofthe
fthwheel.
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