Peterbilt 337 2017 - Page 124

DASH-ANDDOOR-MOUNTEDCONTROLS
VehicleswithAirBrakes:
1.Applyallparkingbrakes.Pull
outtheYellowParkingBrake
Controlknob(1)locatedon
thedash.Intractors,theRed
(octagon-shaped)TrailerAir
SupplyControlknob(2)will
automaticallypopout.
FullTruckParkingBrakeValve
Combination(Tractor/Trailer)
ParkingBrakeControlValves
WARNING!
Donotleavethecabwithoutapplying
theparkingbrake.Thetruckcould
rollandcauseaninjuryaccident.Al-
waysapplytheparkingbrakebefore
youleavethecab.
2.Shiftthetransmissionintoits
PARKposition.
3.TurnthekeytoOFF.
4.Removethekey.
WARNING!
Donotpullouttheparkingbrake
valvewhilethevehicleismoving.
Stoppingwiththeparkingbrakecon-
trolscancauseasuddenwheellock-
up,lossofcontrol,orover-takeby
followingvehicles.Youcouldbese-
verelyinjured.
3-58Y53-6060-1C1(03/17)
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