Case 590ST - Radiator and Condenser - Cleaning

7-MAINTENANCE
Radiatorandcondenser-Cleaning
CAUTION
Flyingdebris!
Compressedaircanpropeldirt,rust,etc.intotheair.Weareyeandfaceprotectionwhenusingcom-
pressedair.
Failuretocomplycouldresultinminorormoderateinjury.
C0049A
1.Movethemachinetoalevelandrmground.
2.Raisetheloaderattachmentandinstallthesafetysup-
portstrut.
3.Placethebackhoeattachmentintheroadtravelposi-
tion.
4.Placethedirection-of-travelleverandgearshiftleverin
neutralposition.
5.Immobilizethemachinewiththeparkingbrake.
6.Stoptheengineandremovethestarterswitchkey.
7.Removethefrontgrille.
8.Unscrewandremovethexingnutsfromthecon-
denser(1).
LEEN11T0354AA1
9.Lowerthecondenser(1).
10.Ifnecessary,tiltthedryertotheside(2).
11.Disconnectthetwopipescompletewiththerubber
sleevesfromthetopoftheaftercoolerradiator(3).
12.Plugholesandpipesoftheaftercoolersystem.
13.Unscrewthexingscrewandremovetheaftercooler
radiator(3).
14.Cleanthecondenser(1),theaftercoolerradiator(3),
theradiator(4)andtheradiatorbehindtheaftercooler
using:
•
Compressedairwithapressurelowerthan7bar
(102psi)toremovedrydust
•
Waterjettoremovemud
•
Adetergent-basedsolution,preferablyappliedwith
alow-pressurecleaner,toremoveoilydust
LEEN11T0382AA2
15.Makesurealldirtanddebrishavebeenremovedfrom
betweenthecondenserandthecooler.Thisaction
maintainsefcientheattransferforthecondenser.
16.Reassemblytheaftercooler(3)andrelatedpipings,
restorethedryer(2)inplaceandreassemblethecon-
denser(1)togetherwiththeradiator(4).
17.Reassemblethefrontgrid.
18.Removethesafetysupportstrutandlowertheloader
attachment.
7-48