AXLE
CAUTION
Achangeintiresizeoneitherthe
auxiliaryaxlesorthedrive/steer
axlescanchangethecalibration
oftheauxiliaryaxles.Iftiresare
installedwithadifferentloaded
radius,thecalibrationprocedure
mustberepeated.Failuretodoso
cancauseequipmentdamage.
Liftable/Steerableor
Liftable/Non-Steerable
Pusherand/orTagAxle
CalibrationProcedure
Belowaresomegeneralinstructions
onhowtoadjustandcalibratetheair
controlvalvefortheauxiliaryaxlesto
obtaintheproperloaddistributionof
theaxle(s).Foradditionaloperating
andmaintenanceinstructions,seethe
pusherortagsuspensionmanufacturer
literatureinthegloveboxorcontact
themdirectly.
NOTE
Thisproceduremustbeperformed
priortoplacingthevehicleinto
service.
SettingthePressure-to-Load
Ratio
Toobtainthedesiredaxleload
distribution,youmustcorrelatethe
suspensionairgaugepressuretothe
actualaxleloadbyscalingtheaxle
weight(s)andadjustingthepressure
toobtainthedesiredload.Oncethe
desiredloadorloadrangeisachieved,
documentthepressure-to-loadratioor
settingforfutureuse.
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