OPERATION79
AftertheFirst5000Kilometers(3000Miles)orBefore6400Kilometers
(4000Miles)orBefore3to4Months
•Retorquethespringclip(U-bolts).
AttheFirstInspectionInterval
•Checkfrontandrearaxlealignmentandadjustifthealignmentisoutofspecications.
•Checksteeringknuckletoaxlebeamclearance.
Althoughthisquality-builtvehiclehasbeeninspected,lubricatedandadjustedattheMACK
TrucksAssemblyPlant,anoccasionalair,oilorcoolantleakmaydevelop.Quickactionto
correcttheseminoritemswillpreventamajorrepairlater.Takethevehicletothenearest
MACKservicecenterassoonasanyabnormalconditionbecomesevident.
InitialValveAdjustmentIntervals
RefertotheMaintenanceandLubricationManualfordetailedinformationconcerningthe
InitialV alveAdjustmentInterval.