WHEELLOADER
WA320-7
Model
WA320-7
SerialNumber
H01051andup
80001andup
00Indexandforeword
S-8Enginelackspower.................................................................................................40-948
S-9KDPFgetscloggedinashorttime.............................................................................40-950
S-10Engineoilconsumptionisexcessive........................................................................40-952
S-11Engineoilbecomescontaminatedearly....................................................................40-953
S-12Fuelconsumptionisexcessive................................................................................40-954
S-13Oilisincoolant(orcoolantspurtsorcoolantlevelgoesdown).....................................40-955
S-14Oilpressuredrops.................................................................................................40-956
S-15Fuelmixesintoengineoil........................................................................................40-957
S-16Watermixesintoengineoil(milky)...........................................................................40-958
S-17Coolanttemperaturerisestoohigh(overheating)......................................................40-959
S-18Unusualnoiseisheard...........................................................................................40-960
S-19Vibrationisexcessive.............................................................................................40-961
S-20Aircannotbebledfromfuelcircuit...........................................................................40-963
S-21Activeregenerationisexecutedfrequently...............................................................40-964
S-22Activeregenerationtakestime.................................................................................40-965
Centrallubricationsystem(CLS).....................................................................................................
S-23Whitesmokeisexhaustedduringactiveregeneration................................................40-966 40-967
50Disassemblyandassembly.......................................................................................................50-1
Tableofcontents....................................................................................................................50-2
Related
informationondisassemblyandassembly.....................................................................50-4
Howtoreadthismanual...................................................................................................50-4
Coatingmaterialslist........................................................................................................50-6 Specialtoolslist.............................................................................................................50-10
Sketchesofspecialtools.................................................................................................50-15
Engineandcoolingsystem.....................................................................................................50-28
Removalandinstallationofsupplypumpassembly.............................................................50-28
Removalandinstallationofinjectorassembly.....................................................................50-31
Removalandinstallationofcylinderheadassembly............................................................50-40
Removalandinstallationofenginehoodassembly.............................................................50-53
Removalandinstallationofradiatorcoreassembly.............................................................50-55
Removalandinstallationofaftercooler...............................................................................50-57
Removalandinstallationofhydraulicoilcooler...................................................................50-58
Removalandinstallationofengineassembly.....................................................................50-59
Removalandinstallationofenginefrontoilseal..................................................................50-67
Removalandinstallationofenginerearoilseal...................................................................50-70
Removalandinstallationofcoolingfanandfanmotorassembly...........................................50-73
RemovalandinstallationofKDPFassembly.......................................................................50-75
DisassemblyandassemblyofKDPFassembly..................................................................50-78
RemovalandinstallationofKCCVassembly......................................................................50-87
Removalandinstallationofaircleanerassembly................................................................50-88
RemovalandinstallationofKVGTassembly.......................................................................50-89
RemovalandinstallationofEGR(ExhaustGasRecirculation)valveassembly.......................50-92
RemovalandinstallationofEGR(ExhaustGasRecirculation)coolerassembly......................50-94
Removalandinstallationofalternatorbelt..........................................................................50-96
Removalandinstallationoffueltankassembly...................................................................50-97
Powertrain.........................................................................................................................50-100
Removalandinstallationoftransferassembly..................................................................50-100
Disassemblyandassemblyoftransferassembly..............................................................50-104
Removalandinstallationoffrontaxleassembly................................................................50-135
Removalandinstallationofrearaxleassembly.................................................................50-137
Disassemblyandassemblyofaxlehousingassembly.......................................................50-140
Disassemblyandassemblyofdifferentialassembly..........................................................50-152
Undercarriageandframe......................................................................................................50-174
Removalandinstallationofcenterhingepin.....................................................................50-174
Removalandinstallationofcounterweightassembly.........................................................50-183
Hydraulicsystem.................................................................................................................50-187
Removalandinstallationofhydraulictankassembly.........................................................50-187
Removalandinstallationofcontrolvalveassembly...........................................................50-191
Disassemblyandassemblyofcontrolvalveassembly.......................................................50-195
Removalandinstallationofhydraulicpumpassembly.......................................................50-198