Komatsu 80001 Shop Manual page 6

00 Index and foreword
Swing motor ................................................................................................................................ 17
Travel motor ................................................................................................................................ 25
Center swivel joint ....................................................................................................................... 34
Solenoid valve............................................................................................................................. 36
Accumulator ................................................................................................................................ 40
Holding valve............................................................................................................................... 42
Hydraulic cylinder........................................................................................................................ 48
Work equipment
Work equipment ..........................................................................................................................
Dimensions of components .........................................................................................................
Cab and its attachments
Air conditioner .............................................................................................................................
Electrical system
Electronic control system ............................................................................................................
Machine monitor system ............................................................................................................. 33
KOMTRAX system ...................................................................................................................... 47
Sensor......................................................................................................................................... 49
20 Standard value table
Standard service value table
Standard value table for engine related parts..............................................................................
Standard value table for chassis related parts ............................................................................
30 Testing and adjusting
Testing and adjusting, Part 1
Tools for testing, adjusting, and troubleshooting .........................................................................
Testing engine speed ..................................................................................................................
Testing exhaust temperature.......................................................................................................
Checking exhaust gas color ........................................................................................................
Adjusting valve clearance ........................................................................................................... 10
Testing compression pressure .................................................................................................... 12
Testing blow-by pressure ............................................................................................................ 14
Testing engine oil pressure ......................................................................................................... 15
Handling fuel system parts .......................................................................................................... 16
Releasing residual pressure from fuel system ............................................................................ 16
Testing fuel pressure ................................................................................................................... 17
Testing fuel return rate and fuel leakage ..................................................................................... 18
Bleeding air from fuel circuit........................................................................................................ 20
Checking fuel circuit for leakage ................................................................................................. 22
Testing and adjusting alternator belt tension............................................................................... 23
Checking and adjusting air conditioner compressor belt tension ................................................ 24
Testing swing circle bearing clearance........................................................................................ 25
Checking and adjusting track shoe tension................................................................................. 26
Testing and adjusting oil pressure in work equipment, swing, and travel circuits........................ 28
Testing control circuit basic pressure .......................................................................................... 31
Testing and adjusting oil pressure in pump PC control circuit..................................................... 32
Testing and adjusting oil pressure in pump LS control circuit ..................................................... 35
Testing solenoid valve output pressure ....................................................................................... 38
Testing PPC valve output pressure ............................................................................................. 42
Adjusting play of work equipment and swing PPC valves........................................................... 43
Checking parts which cause hydraulic drift of work equipment................................................... 44
Testing and adjusting travel deviation ......................................................................................... 46
Releasing residual pressure from hydraulic circuit...................................................................... 48
Testing oil leakage....................................................................................................................... 49
Bleeding air from each part ......................................................................................................... 52
Checking cab tipping stopper...................................................................................................... 54
PC130-8
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