Komatsu ecot3 PC300LC-8 Shop Manual page 7

00 Index and foreword
Hydraulic system, Part 3
Valve control................................................................................................................................
PPC valve ...................................................................................................................................
Solenoid valve............................................................................................................................. 26
PPC accumulator ........................................................................................................................ 28
Return oil filter ............................................................................................................................. 29
Center swivel joint ....................................................................................................................... 30
Travel motor ................................................................................................................................ 31
Swing motor ................................................................................................................................ 43
Hydraulic cylinder........................................................................................................................ 52
Work equipment
Work equipment ..........................................................................................................................
Dimensions of components .........................................................................................................
Cab and its attachments
Air conditioner piping...................................................................................................................
Electrical system
Engine control .............................................................................................................................
Electronic control system ............................................................................................................
Monitor system............................................................................................................................ 36
Sensor......................................................................................................................................... 63
KOMTRAX system ...................................................................................................................... 66
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 ..........................................................................
Sketches of special tools.............................................................................................................
Testing engine speed ..................................................................................................................
Testing air boost pressure ...........................................................................................................
Testing exhaust gas color............................................................................................................ 10
Adjusting valve clearance ........................................................................................................... 12
Testing compression pressure .................................................................................................... 14
Testing blow-by pressure ............................................................................................................ 18
Testing engine oil pressure ......................................................................................................... 19
Testing fuel pressure ................................................................................................................... 20
Handling during cylinder cut-out operation.................................................................................. 25
Handling during no injection cranking operation ......................................................................... 25
Testing fuel return rate and leakage............................................................................................ 26
Bleeding air from fuel circuit........................................................................................................ 28
Checking fuel circuit for leakage ................................................................................................. 29
Testing and adjusting air compressor belt tension ...................................................................... 30
Replacing fan belt ....................................................................................................................... 31
Replacing alternator belt ............................................................................................................. 32
Testing clearance in swing circle bearings .................................................................................. 33
Testing and adjusting track shoe tension .................................................................................... 34
Testing and adjusting oil pressure in work equipment, swing and travel circuit .......................... 35
Testing and adjusting control circuit oil pressure......................................................................... 39
Testing and adjusting pump PC control circuit oil pressure......................................................... 40
Testing and adjusting pump LS control circuit oil pressure ......................................................... 43
Testing solenoid valve output pressure ....................................................................................... 48
Testing PPC valve output pressure ............................................................................................. 52
Adjusting play of work equipment and swing PPC valves........................................................... 53
Inspecting locations of hydraulic drift of work equipment ............................................................ 54
PC300, 350-8
SEN01985-15
SEN01995-01
2
4
SEN01996-01
2
4
SEN01997-00
2
SEN01998-05
2
11
SEN02624-03
2
3
SEN02625-06
3
7
8
9
5