Navistar ProStar+ - Fifth Wheel and Coupling Area

InspectionGuide
7.Hub:Checkforobviousleakingonoutsideorinsideof
wheel.Inspectaxleangesandwheelsealsforleaks
andloosemountinghardwareorbrokenitems.Check
lubelevel,ifequippedwithsightglass.
8.SpringSuspension:Checkconditionofspringfor
cracks,breaks,orshifting.Inspectspringhanger
fasteners,shackles,U-bolts,andnutsforwear,damage,
andtightness.
9.TorqueRodsandShockAbsorbers:Checktoseethat
torquerodsarenotcracked,broken,ormissing.Check
shockabsorbersforcracksorleaks.Thereshouldbe
nomissingorbrokenmountingboltsorwornbushings.
10.AirSuspension(ifequipped):Checkforairleaks,loose
components,anddamagetoairbag.Inspectrideheight
valveandlinkagefordamage.
•AirLinesandWiring:Checkairlinesandelectricalwiring
forpropersecurity,damage,andchang.Listenfor
audibleairleaks.
FifthWheelandCouplingArea
1.Sliding5thWheel(ifequipped)
2.Lubrication
3.MountingBoltsandReleaseHandle
4.DeckPlateandAccessSteps
5.TrailerCouplingCords
6.WorkLight(s)
1.Sliding5thWheel(ifequipped):Checkforlooseor
missingpinsintheslidemechanism.Ifairpowered,
checkforairleaks.Makesurethat5thwheelisnotso
farforwardthattractorframeormudapswillstrike
trailerlandinggearduringturns.
2.Lubrication:Makesurethattopsurface(face)ofthe5th
wheelhasacoatofgrease.
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