EasyManuals Logo

Navistar International LT Series User Manual

Navistar International LT Series
327 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #256 background imageLoading...
Page #256 background image
MaintenanceInstructions
Troubleshooting
NoRestrictionReading
PossibleCausesHowToCheck
Pluggedttingorvacuumline
RemovethegaugeandapplyavacuumuntilitislockedupattheREDzone.Reinsertthegauge
andholdintheresetbutton.Indicatorwillfullyreturnunlesslineorttingisplugged.Aslowreturnis
normalduetosafetylterintting.
Leakinvacuumline
Applyvacuumtogaugeuntillockedupatredzone.Reconnectgaugeandcloseendoflineairtight.
Holdinresetbutton.Indicatorwilldropslightlyandthennotmoveunlessvacuumlinehasaleak.
LeakingaugeRepeataboveexceptclosegaugeconnectionairtight.
Engineairowtoolowtogeneratea
restrictionreading
Turbochargedenginesmustbefullloadtopullfullengineairow.
AircleanerelementsplitopenVisuallyinspectelement.
HighRestrictionReading
PossibleCausesExplanation
PluggedouterelementParticlesinouterltermediarestrictairow.Replaceouterelement.
Pluggedinnerelement(ifequipped)Replaceinnerelement.
PluggedinletscreensorductsChecksystemupstreamfromrestriction;tapfordebris,damage,orimproperinstallation.
Heavysnoworrain
Temporaryhighrestrictioncanoccurduringarainorsnowstorm;itdisappearsafterdryingout.If
gaugeislockedupatredzone,checkelementsfordamage.Resetgauge.Reuseelementand
recheckgaugereading.
246

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Navistar International LT Series and is the answer not in the manual?

Navistar International LT Series Specifications

General IconGeneral
BrandNavistar
ModelInternational LT Series
CategoryTrucks
LanguageEnglish

Related product manuals