HydraulicOilCoolerRemoval(Figure133)(continued)
4.Topreventcontaminationofhydraulicsystemduringoilcoolerremoval,
thoroughlycleanexteriorofoilcooler,ttingsandhydraulichoses.
5.Disconnecttheoilcoolerhydraulichosesattheframebulkheadtting(right
sideofmachine)andallowthecoolertodrain.
6.Disconnecthydraulichosefromoilcooler(leftsideofmachine)Putcapsor
plugsonoilcoolerandhydraulichoseopeningstopreventcontamination.
7.Disconnectbothelectriccoolingfansfromthemachinewireharness.
8.Removethefour(4)capscrewsandatwasherssecuringtheelectriccooling
fanassemblytotheoilcoolerandremovethefanassembly.
9.Removethefour(4)capscrews,washersandangenutssecuringtheoil
coolertothecoolerframeandremovetheoilcooler.
10.RemovehydraulicttingsfromoilcoolerifnecessaryanddiscardO−rings.
HydraulicOilCoolerInspection
1.Backushoilcoolerwithcleaningsolvent.Aftercoolerisclean,makesure
allsolventisdrainedfromthecooler.
CAUTION
Useeyeprotectionsuchasgoggleswhenusingcompressedair.
2.Dryinsideofoilcoolerusingcompressedairintheoppositedirectionof
theoilow.
3.Cleanexteriorofcooler.Takecarenottodamagecoolerns.Makesure
allnsareclearofdirtanddebris.
4.Theoilcoolershouldbefreeofcorrosion,crackedtubesandexcessive
pittingoftubes.
5.Checkoilcoolerisolatormounts(4)fordamage.Replaceisolatormounts
asneeded.
6.Inspectcoolingfanassemblyfoamsealsforevidenceofwearordamage.
Replacesealsasneeded.
Groundsmaster
®
5900&5910
Page5–161
HydraulicSystem:ServiceandRepairs
16227SLRevB
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