Case 590ST - Heater and Evaporator (Air-Conditioning System)

7-MAINTENANCE
Heaterandevaporator(Air-conditioningsystem)
CAUTION
Flyingdebris!
Compressedaircanpropeldirt,rust,etc.intotheair.Weareyeandfaceprotectionwhenusingcom-
pressedair.
Failuretocomplycouldresultinminorormoderateinjury.
C0049A
1.Movethemachinetoalevelandrmground.
2.Placethedirection-of-travelleverandgearshiftleverin
neutralposition.
3.Immobilizethemachinewiththeparkingbrake.
4.Stoptheengineandremovethestarterswitchkey.
5.Removetheoperator’sseat.
6.RemovetheHVACcover.
7.Usecompressedairnotexceeding7bar(102psi).
Blowanydebrisfromtheheaterandevaporatortaking
carenottodamagethens.
8.Cleanthelter.See7-44fordetails.
NOTE:Cleantheltermorefrequentlywhenyouoperate
inextremelydustyconditions.
9.Blowanydebrisofftheairintakeareas.
10.Fromunderneaththemachinecheckandclearall
drainagevalves.
7-64