Table of Contents
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00 Index and foreword
Index
Removal and installation of air cleaner assembly .................................................................. 50-69
Removal and installation of EGR (Exhaust Gas Recirculation) cooler assembly....................... 50-71
Removal and installation of EGR (Exhaust Gas Recirculation) valve assembly........................ 50-73
Removal and installation of fan belt...................................................................................... 50-74
Power train system ................................................................................................................... 50-76
Removal and installation of travel motor and final drive assembly ........................................... 50-76
Disassembly and assembly of travel motor and final drive assembly....................................... 50-78
Removal and installation of swing motor and swing machinery assembly ...............................50-111
Disassembly and assembly of swing machinery assembly................................................... 50-113
Removal and installation of swing circle assembly .............................................................. 50-121
Undercarriage and frame......................................................................................................... 50-122
Separation and connection of track.................................................................................... 50-122
Removal and installation of sprocket.................................................................................. 50-123
Removal and installation of idler and idler cushion assembly ............................................... 50-124
Disassembly and assembly of idler assembly ..................................................................... 50-125
Disassembly and assembly of idler cushion assembly......................................................... 50-128
Disassembly and assembly of track roller assembly ............................................................ 50-131
Removal and installation of revolving frame assembly ......................................................... 50-134
Removal and installation of counterweight assembly [For machines with additional
counterweight].................................................................................................... 50-136
Hydraulic system .................................................................................................................... 50-138
Removal and installation of center swivel joint assembly ..................................................... 50-138
Disassembly and assembly of center swivel joint assembly ................................................. 50-140
Removal and installation of hydraulic tank assembly ........................................................... 50-141
Removal and installation of main pump assembly ............................................................... 50-144
Removal and installation of control valve assembly ............................................................. 50-148
Disassembly and assembly of control valve assembly......................................................... 50-152
Disassembly and assembly of work equipment PPC valve assembly.................................... 50-155
Disassembly and assembly of travel PPC valve assembly ................................................... 50-157
Disassembly and assembly of work equipment cylinder assembly........................................ 50-158
Work equipment ..................................................................................................................... 50-162
Removal and installation of work equipment assembly ........................................................ 50-162
Removal and installation of boom swing bracket ................................................................. 50-165
Removal and installation of anti-drop valve for boom assembly ............................................ 50-166
Removal and installation of anti-drop valve for arm assembly............................................... 50-169
Disassembly and assembly of anti-drop valve assembly...................................................... 50-172
Removal and installation of blade assembly ....................................................................... 50-173
Cab and its attachments .......................................................................................................... 50-175
Removal and installation of operator's cab assembly........................................................... 50-175
Removal and installation of operator's cab door .................................................................. 50-179
Removal and installation of operator's cab glass (adhered glass) ......................................... 50-182
Removal and installation of front window assembly ............................................................. 50-193
Removal and installation of floor frame assembly................................................................ 50-194
Removal and installation of air conditioner unit assembly..................................................... 50-199
Removal and installation of air conditioner compressor assembly......................................... 50-204
Removal and installation of air conditioner condenser assembly .......................................... 50-206
Removal and installation of operator's seat......................................................................... 50-208
Removal and installation of seat belt .................................................................................. 50-209
Removal and installation of front wiper assembly ................................................................ 50-210
Electrical system .................................................................................................................... 50-217
Removal and installation of starting motor assembly ........................................................... 50-217
Removal and installation of engine controller assembly ....................................................... 50-218
Removal and installation of pump controller assembly......................................................... 50-219
Removal and installation of machine monitor assembly ....................................................... 50-220
Removal and installation of mass air flow and temperature sensor ....................................... 50-222
Removal and installation of KOMTRAX terminal assembly .................................................. 50-223
60 Maintenance standard................................................................................................................... 60-1
Table of contents ........................................................................................................................ 60-2
Engine and cooling system .......................................................................................................... 60-3
00-10
PC88MR-10
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Troubleshooting
