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Hydraulic system ...................................................................................................................... 10-48
Hydraulic component layout ................................................................................................ 10-48
Valve control...................................................................................................................... 10-50
Hydraulic tank.................................................................................................................... 10-52
CLSS ................................................................................................................................ 10-54
Main pump ........................................................................................................................ 10-59
Control valve ..................................................................................................................... 10-89
Travel motor .................................................................................................................... 10-144
PPC valve ....................................................................................................................... 10-157
Solenoid valve ................................................................................................................. 10-180
Attachment circuit selector valve (for high pressure circuit) .................................................. 10-183
Attachment circuit selector valve (for low pressure circuit).................................................... 10-185
Center swivel joint ............................................................................................................ 10-188
Accumulator .................................................................................................................... 10-190
Work equipment ..................................................................................................................... 10-191
Work equipment............................................................................................................... 10-191
Work equipment shim....................................................................................................... 10-192
Bucket play adjustment shim............................................................................................. 10-193
Cab and its attachments .......................................................................................................... 10-194
Cab mount and cab tipping stopper ................................................................................... 10-194
ROPS cab ....................................................................................................................... 10-195
Electrical system .................................................................................................................... 10-196
Electrical control system ................................................................................................... 10-196
Machine monitor system ................................................................................................... 10-253
KOMTRAX system ........................................................................................................... 10-277
Sensor ............................................................................................................................ 10-280
20 Standard value tables.................................................................................................................... 20-1
Table of contents ........................................................................................................................ 20-2
Standard service value table........................................................................................................ 20-3
Standard value table for engine ............................................................................................. 20-3
Standard value table for machine .......................................................................................... 20-5
Standard value table for electrical system............................................................................. 20-20
30 Testing and adjusting .................................................................................................................... 30-1
Table of contents ........................................................................................................................ 30-2
Related information on testing and adjusting ................................................................................. 30-3
Tools for testing and adjusting ............................................................................................... 30-3
Sketch of tools for testing and adjusting ................................................................................. 30-6
Engine and cooling system .......................................................................................................... 30-8
Testing engine speed ........................................................................................................... 30-8
Testing boost pressure ....................................................................................................... 30-10
Testing exhaust gas color ................................................................................................... 30-13
Testing and adjusting valve clearance .................................................................................. 30-14
Testing compression pressure............................................................................................. 30-17
Testing blowby pressure ..................................................................................................... 30-21
Testing engine oil pressure ................................................................................................. 30-22
Testing fuel pressure .......................................................................................................... 30-23
Testing fuel discharge, return and leakage............................................................................ 30-28
Bleeding air from fuel system .............................................................................................. 30-30
Testing fuel circuit for leakage ............................................................................................. 30-32
Handling cylinder cutout mode operation.............................................................................. 30-33
Handling no-injection cranking operation.............................................................................. 30-34
Testing and adjusting air conditioner compressor belt tension ................................................ 30-35
Replacing fan belt .............................................................................................................. 30-36
Hybrid system .......................................................................................................................... 30-37
Precautions related to hybrid equipment .............................................................................. 30-37
Bleeding air from hybrid cooling system ............................................................................... 30-38
Testing water pressure of hybrid coolant............................................................................... 30-40
Testing swing parking brake ................................................................................................ 30-42
Cleaning and replacing oil filter of electric swing motor .......................................................... 30-43
HB215LC-2
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00 Index and foreword
Index
00-3
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