Case TR270 - Primary Hydraulic Power System

Hydraulicschematicframe03Enhancedhighowoption.......................................92
SV185Electrohydrauliccontrols,SR220Electrohydrauliccontrols,SR250Electrohydrauliccontrols,SV250Electro
hydrauliccontrols,SV300Electrohydrauliccontrols,TR270Electrohydrauliccontrols,TR320Electrohydrauliccontrols,
TV380Electrohydrauliccontrols
Hydraulicschematicframe01Twospeeddriveassembly......................................94
SR175Electrohydrauliccontrols,SV185Electrohydrauliccontrols,SR200Electrohydrauliccontrols
Hydraulicschematicframe02Singlespeeddriveassembly.....................................96
SR175Mechanicalhydrauliccontrols,SV185Mechanicalhydrauliccontrols,SR200Mechanicalhydrauliccontrols
Hydraulicschematicframe03Valveassembly................................................98
SR175Electrohydrauliccontrols,SV185Electrohydrauliccontrols,SR200Electrohydrauliccontrols
Hydraulicschematicframe01Singlespeeddriveassembly....................................100
SR130Mechanicalhydrauliccontrols,SR150Mechanicalhydrauliccontrols
Hydraulicschematicframe02Valveassembly...............................................102
SR130Mechanicalhydrauliccontrols,SR150Mechanicalhydrauliccontrols
Hydraulicschematicframe01Singlespeeddriveassembly....................................104
SR130Electrohydrauliccontrols,SR150Electrohydrauliccontrols
Hydraulicschematicframe02Valveassembly...............................................106
SR130Electrohydrauliccontrols,SR150Electrohydrauliccontrols
Hydraulicschematicframe01Mechanicaltwospeedtrackdriveassembly......................108
TR270Mechanicalhydrauliccontrols,TR320Mechanicalhydrauliccontrols,TV380Mechanicalhydrauliccontrols
Hydraulicschematicframe02Valveassembly...............................................110
TR270Mechanicalhydrauliccontrols,TR320Mechanicalhydrauliccontrols,TV380Mechanicalhydrauliccontrols
Controlvalve
OverviewLoaderLiftControl-Overview....................................................113
OverviewLoaderbucketcontrol............................................................114
OverviewLoaderarmoat................................................................115
SERVICE
PRIMARYHYDRAULICPOWERSYSTEM
Cleaning................................................................................116
Decontaminating.........................................................................119
Depressurising...........................................................................121
Reliefvalve
FlowtestLoadermainreliefvalve..........................................................122
PressuretestLoadervalvemainrelief......................................................124
Hydraulicpump
FlowtestLoaderhydraulicpump...........................................................125
Install...................................................................................127
Chargepump
Pressuretest............................................................................131
Pressuretest(MachinesEquippedwithEHControls).........................................134
Reservoir
Applyvacuum...........................................................................137
Filling...................................................................................138
Visualinspection.........................................................................139
Filter
Remove................................................................................140
Install...................................................................................141
Oilcooler
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