OPERATOR'S MANUAL

HEATERANDAIRCONDITIONER
willallowtheltertoberemoved
inanupwarddirection.
3.Aligntheairowdirectionthatis
indicatedonthesideofthelter
elementsuchthatitpointsintothe
HVAChousing.
4.Insertthelterandmakesurethe
retentiontabhasre-engagedto
securethelter.
5.Closethebunk.
Heater
•Checkallheatercontrolsfor
full-rangeoperation.
•Checkhoses,connections,and
heatercoreforconditionand
leaks.
CAUTION
Duringextremecoldweather,do
notblowhotdefrosterairontocold
windshields.Thiscouldcrackthe
glass.Turntheairdirectionlever
toDefrostandadjustthefanspeed
accordinglywhiletheenginewarms.
Iftheengineisalreadywarm,
movethetemperatureselectorto
Cool,thengraduallyincreasethe
temperaturewhenyouseethatthe
windshieldisstartingtowarm-up.
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