Case 570T - Heating, Ventilation, Air Conditioning (HVAC) controls

3-CONTROLSANDINSTRUMENTS
Heating,Ventilation,AirConditioning(HVAC)controls
CabwithHVAC
1.Blowerspeedcontrolknob:Turnthethree-speedcon-
trolknob(1)tosetthedesiredblowerspeed.
2.HVACcontrolknob:Turntheknob(2)toswitchonthe
HVACsystem.
NOTE:Moistureaccumulationstartsonthewindshield
ifheaterisactivatedforalongperiodoftime.
CAUTION:
Iffrontwindshieldfogs-up,switch“ON”theACandturn
theadjustablefrontACventtothefrontwindshield.
Operatethewiperforbettervisibility.
CAUTION:
Ifrearwindshieldfogs-up,operatetherearwindshield
wiperforvisibility.Stopoperatingthebackhoework
immediatelyifvisibilitystartsdecreasing.Failureto
complycouldresultinminorormoderateinjury.
3.HVACindicatorlamp:OncetheHVACisswitchedOn,
theindicatorlamp(3)willglowgreen.
NOTE:Ifonlytheblowerisseton,theindicatorlamp
willnotilluminate.
4.Temperaturecontrolknob:Turntheknob(4)tocontrol
thetemperatureofaircomingintothecabin.
PTIL14TLB0062AB1
Cabwithonlyheater
1.Blowerspeedcontrolknob:Turnthethree-speedcon-
trolknob(1)tosetthedesiredblowerspeed.
2.Heatercontrolknob:Turntheknob(2)toswitchonthe
heater.
NOTE:Moistureaccumulationstartsonthewindshield
uponcontinuoususageofheaterforlongtime.
CAUTION:
Ifwindshieldfogs-up,operatethewindshieldwipersfor
visibility.Stopoperatingbackhoeworkimmediatelyifvis-
ibilitydecreases.Failuretocomplycouldresultinminor
ormoderateinjury.
PTIL14TLB0070AB2
3-18