InspectionGuide
12.Doors:Ensurewindowsarecleanandoperateproperly
andsmoothlyinbothdoors.
13.WindshieldandWipers:Checkwindshieldforcracks,
dirt,illegalstickersorotherobstructionstoview.Ensure
wipersandwindshieldwasherarefunctioningproperly.
14.LightingIndicators:Checktoseethatinstrumentpanel
indicatorsilluminatewhencorrespondinglightsare
turnedon.
15.Heater/Defroster:Checktobesurethatheater/
defrosterisworking.Verifyadequateairowfrom
louversandvents.OperateTemperatureandMode
controlstoverifyproperoperation.
16.AirBrakeCheck:Checktheairbrakesinthefollowing
manner:
a.Installwheelchocksifnecessary.Pushinparking
brakeandstartengine.
b.Checkforaircompressororgovernorcut-out
pressureat125-135psi(862-931kPa).Shift
intoalowgear,andgentlypullagainstserviceand
parkingbrakesseparatelytomakesuretheyhold.
c.ShutoffengineandTURNKEYBACKON.
d.Withoutbrakepedalapplied,noteairpressuredrop
foroneminute.Itshouldbelessthan2psi(14kPa).
e.Depressandholdbrakepedalandmakesure
thereisnomorethana3psi(21kPa)-per-minute
pressuredrop.Forcombinationvehicles,there
shouldbenomorethan4psi(28kPa)-per-minute
pressuredrop.
f.Steponandoffbrakepedalandcheckthatwarning
indicatorandalarmcomeonatabout60-76psi
(414-524kPa).
g.Steponandoffbrakepedalandchecktomakesure
theparkingbrakeknobspopoutbetween20and45
psi(138-310kPa).
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