4-2
Hydraulic System
January 24, 2017
CLG835H
Pressure release of hydraulic system ..................................................................................................4-75
Pressure test of work hydraulic system................................................................................................4-78
Positions of every gauging points of working hydraulic system .......................................................4-78
Description of every gauging points of working hydraulic system....................................................4-79
Inspection and adjustment for pressure of working hydraulic pressure system...............................4-80
Pressure inspection and adjustment of overload valve of bucket tilting large chamber...................4-84
Pressure inspection and adjustment of overload valve of bucket tilting small chamber ..................4-86
Pressure inspection and adjustment of main safety valve of control valve ......................................4-88
Inspection and adjustment for cut-off pressure of working pump.....................................................4-90
Adjustment for LS relief pressure of control valve............................................................................4-92
Pressure inspection and adjustment of the pilot oil supply valve .....................................................4-94
Boom cylinder test............................................................................................................................4-96
Bucket cylinder test ..........................................................................................................................4-97
Measuring point position of steering hydraulic system.....................................................................4-98
Description of measuring points of steering hydraulic system .........................................................4-99
Pressure testing and adjustment of steering hydraulic system ........................................................4-99
Steering cylinder test......................................................................................................................4-101
Layout of pressure measuring points of brake system...................................................................4-102
Test method of rear axle brake pressure ......................................................................................4-103
Test method of front axle brake pressure ......................................................................................4-105
Removal and installation of hydraulic oil tank assembly ................................................................4-106
Removal and installation of the plunger pump ...............................................................................4-110
Removal and installation of boom cylinder.....................................................................................4-115
Disassembly and assembly of boom cylinder ................................................................................4-120
Removal and installation of bucket cylinder ..................................................................................4-133
Disassembly and assembly of bucket cylinder...............................................................................4-137
Removal and installation of control valve.......................................................................................4-150
Removal and installation of pilot valve assembly..........................................................................4-159
Removal and installation of metering pump ...................................................................................4-163
Removal and installation of priority valve.......................................................................................4-167
Summary of Contents for CLG835H
Page 2: ......
Page 4: ...Contents January 24 2017 CLG835H...
Page 6: ...1 2 General Information January 24 2017 CLG835H...
Page 38: ...1 34 Machine Inspection Table January 24 2017 CLG835H...
Page 156: ...3 2 Power Train System January 24 2017 CLG835H...
Page 214: ...3 2 Power Train System January 24 2017 CLG835H...
Page 272: ...3 60 Testing and adjustment January 24 2017 Power Train Test CLG835H...
Page 276: ...4 4 Hydraulic System January 24 2017 CLG835H...
Page 552: ...6 2 Driver s Cab System January 24 2017 CLG835H...
Page 608: ...7 2 Structure January 24 2017 CLG835H...
Page 662: ...8 4 Electrical System January 24 2017 CLG835H...
Page 677: ...8 19 January 24 2017 Structure Function Principle CLG835H Power System P18E00014...