Peterbilt 348 2017 - Front Axle and Suspension Maintenance

FRONTAXLEANDSUSPENSION
FRONTAXLEAND
SUSPENSION
AxleLubrication
Changebearinglubricationwhenseals
arereplaced,orbrakesarerelined.
SeePreventiveMaintenanceSchedule
onpage5-12.
Thoroughlycleanhubsandbearings
withsolventandastiffbristlebrush,
thendryandinspectcomponentsfor
wearordamage.Re-lubricatewith
approvedaxlelubricant.
KingpinLubrication
Lubricatewithapprovedlubricant.
Lubricateknucklethrustbearings,
knucklepins,andtierodends.See
PreventiveMaintenanceSchedule
onpage5-12.Lackoflubrication
causesprematurewearandhard
steering.Lubricationschedulemaybe
shortenedifnecessary.
SuspensionLubrication
Eachstandardspringanchorpin
hasagreasetting.Pressure
lubricatespringpinsasspecied.See
PreventiveMaintenanceScheduleon
page5-12.
Atregularintervals,thespringleaves
maybelubricatedwitharust-inhibiting
oilappliedwithaspraygunorbrush.
Dependingonyoursuspension,
lubricateallspringpinsuntilgrease
owsoutofbothendsofthebushing.
Lookforsignsofrustorwaterinthe
ushedgrease.Ifapinwillnotaccept
grease,itshouldberemoved,cleaned,
andinspected.
CAUTION
Donotspraythesuspensionwith
chemicalproductsormineraloil;it
cancausedamagetothebushings.
5-114Y53-6060-1C1(03/17)
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