Case 621G - Climate Controls

3-CONTROLSANDINSTRUMENTS
Climatecontrols
Climatecontrols
LEIL16WHL1307FB1
NOTE:thegureshowstheclimatecontrolpanelformachinesequippedwithair-conditioning;formachineswith
heateronly,thecontrol(2)ismissing.
1.Fan
Turnthecontrol(1)clockwiseforhigherfanspeedandadjustthecontroltothedesiredspeed.The
blowerfanswitchhasvepositions:OFF ,1,2,3,and4.Turntheswitchto4formaximumspeedand
to1forthelowestspeed.TurncompletelycounterclockwiseforOFF.
2.Air-conditioning
Operatethecontrol(2)tosetoneofthetwopositions:
OFF
ON-Air-conditioning
3.Climatecontrol
Turnthecontrol(3)clockwise,andadjustthecontrol(3)tothedesiredtemperature.Bluemarkings
indicatecoolertemperatures.Redmarkingsindicatewarmertemperatureswhenusingtheheater.
NOTE:makesurethewaterinletfortheheaterisinthefullONposition.Thisinletislocatedinthe
left-handrearoftheenginecompartment.
NOTE:duringsomeconditions,itispossibletohaveiceontheair-conditioningcore.Operatingatthe
maximumcoldsettingoftheair-conditioningcontrolwiththeblowerspeedatlowcancauseice.Itis
besttooperateair-conditioningatthecenterrangeofthetemperaturecontrolwiththeblowerspeedat
mediumorhigh.Anothercauseoficecanbearestrictedairlterinthecab.
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