Peterbilt 367 2017 - Page 65

VEHICLERECOVERYANDSPRINGBRAKES
CAUTION
Failuretoliftthedrivingwheelsoff
thegroundorremovethedriveline
andaxleshaftsbeforetowingtheve-
hiclecouldseriouslydamageyour
vehicle.Alllubricatingandclutchap-
plicationoilpressureisprovidedby
anengine-drivenpump,whichdoes
notworkwhentheengineisstopped.
Whenvehiclesaretowedeitherby
wreckerorpiggyback,lubricantinthe
topfrontofthedriveaxlewilldrainto
therear.Thiswillleavethetopcom-
ponentsdry,resultinginfrictionthat
willseriouslydamagethesecompo-
nents.
2.Coveropenhubswhenremoving
driveaxleshafts.
CAUTION
Water,dirtandothermaterialcan
enteranopenhuboraxle.This
cancontaminatetheaxleuidand
causepossibledamagetocompo-
nents.Ensurethatthehubsarecov-
eredwithplasticwheneveradrive
axleshaftisremoved.
3.Forvehicleswithdriver-controlled
maindifferentiallock,installthe
cagingboltbeforeremovingthe
axleshaftsfortowing.
a.Removetheairlineandrmly
cap.
b.Removethecagingboltfrom
itsstoragehole.
c.Screwthecagingboltinto
theairlinehole.When
fullyengaged,a0.25-0.5
in.(6.35-12.7mm)space
willremainbetweentheair
cylinderandthebolthead.
Thisactionwilllockthe
differentialbypushingapiston
intoa“lock”position.
CAUTION
Failuretoinstallthecagingboltwhen
towingvehicleswithdriver-control
maindifferentiallockcanresultin
damagebyfailingtolockinternal
componentsinposition.
WARNING!
Ensuretherearenoopenairlines
ontherecoveredvehicleifthere-
coveryvehicleandrecoveredvehicle
brakesystemsareconnected.An
openairlineontherecoveredvehi-
clewillcausealeakintheairbrake
systemoftherecoveryvehiclepos-
siblycausingdeath,personalinjury,
equipmentorpropertydamage.
(03/17)Y53-6076-1B12-19
2
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